From 30ba804f40d6bd9ce8fe940c7cd0817d1fa30923 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 02:55:29 +0300
Subject: [PATCH 01/20] =?UTF-8?q?=D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0?=
 =?UTF-8?q?=D0=BB=20=D1=81=D0=BA=D1=80=D0=B8=D0=BF=D1=82=20main.py?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/main.py | 182 +++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 172 insertions(+), 10 deletions(-)

diff --git a/app/main.py b/app/main.py
index 5596b44..004715a 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1,16 +1,178 @@
-# This is a sample Python script.
+from typing import List
+from fastapi import FastAPI, HTTPException
+from sqlalchemy import create_engine, Column, Integer, String, ForeignKey
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker, relationship
+from pydantic import BaseModel
 
-# Press Shift+F10 to execute it or replace it with your code.
-# Press Double Shift to search everywhere for classes, files, tool windows, actions, and settings.
+app = FastAPI()
 
+# Создание базовой модели
+Base = declarative_base()
 
-def print_hi(name):
-    # Use a breakpoint in the code line below to debug your script.
-    print(f'Hi, {name}')  # Press Ctrl+F8 to toggle the breakpoint.
+# Модель студента
+class Student(Base):
+    __tablename__ = 'students'
+    id = Column(Integer, primary_key=True, index=True)
+    name = Column(String, nullable=False)
+    group_id = Column(Integer, ForeignKey('groups.id'))
+    group = relationship('Group', back_populates='students')
 
+# Модель группы
+class Group(Base):
+    __tablename__ = 'groups'
+    id = Column(Integer, primary_key=True, index=True)
+    name = Column(String, nullable=False)
+    students = relationship('Student', back_populates='group')
 
-# Press the green button in the gutter to run the script.
-if __name__ == '__main__':
-    print_hi('PyCharm')
+# Модель для создания студента
+class StudentCreate(BaseModel):
+    name: str
+    group_id: int
 
-# See PyCharm help at https://www.jetbrains.com/help/pycharm/
+# Модель для создания группы
+class GroupCreate(BaseModel):
+    name: str
+
+# Модель для ответа с информацией о студенте
+class StudentResponse(BaseModel):
+    id: int
+    name: str
+    group_id: int
+
+# Модель для ответа с информацией о группе
+class GroupResponse(BaseModel):
+    id: int
+    name: str
+    students: List[StudentResponse]
+
+# Подключение к базе данных
+SQLALCHEMY_DATABASE_URL = "sqlite:///./test.db"
+engine = create_engine(SQLALCHEMY_DATABASE_URL)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+# Создание таблиц в базе данных
+Base.metadata.create_all(bind=engine)
+
+# API эндпоинт для создания студента
+@app.post("/students/")
+def create_student(student: StudentCreate):
+    db = SessionLocal()
+    db_student = Student(name=student.name, group_id=student.group_id)
+    db.add(db_student)
+    db.commit()
+    db.refresh(db_student)
+    return {"id": db_student.id, "name": db_student.name, "group_id": db_student.group_id}
+
+# API эндпоинт для создания группы
+@app.post("/groups/")
+def create_group(group: GroupCreate):
+    db = SessionLocal()
+    db_group = Group(name=group.name)
+    db.add(db_group)
+    db.commit()
+    db.refresh(db_group)
+    return {"id": db_group.id, "name": db_group.name}
+
+# API эндпоинт для получения информации о студенте по его id
+@app.get("/students/{student_id}")
+def get_student(student_id: int):
+    db = SessionLocal()
+    student = db.query(Student).filter(Student.id == student_id).first()
+    if not student:
+        raise HTTPException(status_code=404, detail="Student not found")
+    return {"id": student.id, "name": student.name, "group_id": student.group_id}
+
+# API эндпоинт для получения информации о группе по ее id
+@app.get("/groups/{group_id}")
+def get_group(group_id: int):
+    db = SessionLocal()
+    group = db.query(Group).filter(Group.id == group_id).first()
+    if not group:
+        raise HTTPException(status_code=404, detail="Group not found")
+    return {"id": group.id, "name": group.name}
+
+# API эндпоинт для удаления студента
+@app.delete("/students/{student_id}")
+def delete_student(student_id: int):
+    db = SessionLocal()
+    student = db.query(Student).filter(Student.id == student_id).first()
+    if not student:
+        raise HTTPException(status_code=404, detail="Student not found")
+    db.delete(student)
+    db.commit()
+    return {"message": "Student deleted"}
+
+# API эндпоинт для удаления группы
+@app.delete("/groups/{group_id}")
+def delete_group(group_id: int):
+    db = SessionLocal()
+    group = db.query(Group).filter(Group.id == group_id).first()
+    if not group:
+        raise HTTPException(status_code=404, detail="Group not found")
+    db.delete(group)
+    db.commit()
+    return {"message": "Group deleted"}
+
+# API эндпоинт для получения списка студентов
+@app.get("/students/")
+def get_students():
+    db = SessionLocal()
+    students = db.query(Student).all()
+    return students
+
+# API эндпоинт для получения списка групп
+@app.get("/groups/")
+def get_groups():
+    db = SessionLocal()
+    groups = db.query(Group).all()
+    return groups
+
+# API эндпоинт для добавления студента в группу
+@app.post("/groups/{group_id}/students/{student_id}")
+def add_student_to_group(group_id: int, student_id: int):
+    db = SessionLocal()
+    group = db.query(Group).filter(Group.id == group_id).first()
+    student = db.query(Student).filter(Student.id == student_id).first()
+    if not group:
+        raise HTTPException(status_code=404, detail="Group not found")
+    if not student:
+        raise HTTPException(status_code=404, detail="Student not found")
+    student.group_id = group_id
+    db.commit()
+    return {"message": "Student added to group"}
+
+# API эндпоинт для удаления студента из группы
+@app.delete("/groups/{group_id}/students/{student_id}")
+def remove_student_from_group(group_id: int, student_id: int):
+    db = SessionLocal()
+    student = db.query(Student).filter(Student.id == student_id).first()
+    if not student:
+        raise HTTPException(status_code=404, detail="Student not found")
+    student.group_id = None
+    db.commit()
+    return {"message": "Student removed from group"}
+
+# API эндпоинт для получения всех студентов в группе
+@app.get("/groups/{group_id}/students/")
+def get_students_in_group(group_id: int):
+    db = SessionLocal()
+    group = db.query(Group).filter(Group.id == group_id).first()
+    if not group:
+        raise HTTPException(status_code=404, detail="Group not found")
+    students = group.students
+    return students
+
+# API эндпоинт для перевода студента из группы A в группу B
+@app.put("/students/{student_id}/move/{group_id}")
+def move_student(student_id: int, group_id: int):
+    db = SessionLocal()
+    student = db.query(Student).filter(Student.id == student_id).first()
+    group = db.query(Group).filter(Group.id == group_id).first()
+    if not student:
+        raise HTTPException(status_code=404, detail="Student not found")
+    if not group:
+        raise HTTPException(status_code=404, detail="Group not found")
+    student.group_id = group_id
+    db.commit()
+    return {"message": "Student moved to another group"}

From c305b8de5bad6d629a14d022d7405da43c9a410a Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 02:55:48 +0300
Subject: [PATCH 02/20] =?UTF-8?q?=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8?=
 =?UTF-8?q?=D0=BB=20.env.example?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .env.example | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 .env.example

diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..d386bd4
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,5 @@
+DB_USER=myuser
+DB_PASSWORD=mypassword
+DB_HOST=localhost
+DB_PORT=5432
+DB_NAME=mydatabase
\ No newline at end of file

From dba1dd6fa46b941045180e6313b73bab60534190 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 02:57:08 +0300
Subject: [PATCH 03/20] =?UTF-8?q?=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8?=
 =?UTF-8?q?=D0=BB=20docker-compose.yml=20=D1=84=D0=B0=D0=B9=D0=BB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docker-compose.yml | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 docker-compose.yml

diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..5e91efb
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,24 @@
+version: '3.8'
+
+services:
+  db:
+    image: postgres
+    restart: always
+    environment:
+      POSTGRES_USER: ${DB_USER}
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
+      POSTGRES_DB: ${DB_NAME}
+    ports:
+      - ${DB_PORT}:5432
+
+  app:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    restart: always
+    environment:
+      - SQLALCHEMY_DATABASE_URL=postgresql://${DB_USER}:${DB_PASSWORD}@db/${DB_NAME}
+    ports:
+      - 8000:8000
+    depends_on:
+      - db
\ No newline at end of file

From 57c94086932e5a0c1cb5327b67f0beace2a984f4 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 02:58:06 +0300
Subject: [PATCH 04/20] =?UTF-8?q?=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8?=
 =?UTF-8?q?=D0=BB=20=D0=BE=D0=B1=D1=80=D0=B0=D0=B7=20Dockerfile?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Dockerfile | 6 ++++++
 1 file changed, 6 insertions(+)
 create mode 100644 Dockerfile

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..1bbf2f4
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,6 @@
+FROM python:3.9-slim-buster
+WORKDIR /app
+COPY requirements.txt .
+RUN pip install -r requirements.txt
+COPY . .
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]

From debc6143d99fe3d59ece41f63657410e697ae397 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 02:58:59 +0300
Subject: [PATCH 05/20] =?UTF-8?q?=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8?=
 =?UTF-8?q?=D0=BB=20requirements.txt=20=D1=84=D0=B0=D0=B9=D0=BB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 requirements.txt | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 requirements.txt

diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..a544bf5
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,5 @@
+fastapi
+uvicorn
+sqlalchemy
+databases[sqlite]
+python-dotenv
\ No newline at end of file

From fb1c16a15b406a84a9ca31f8c67b4976f0b2d9b6 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 03:21:13 +0300
Subject: [PATCH 06/20] =?UTF-8?q?=D0=B8=D0=B7=D0=BC=D0=B5=D0=BD=D0=B8?=
 =?UTF-8?q?=D0=BB=20=D1=84=D0=B0=D0=B9=D0=BB=D1=8B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Dockerfile             | 2 +-
 docker-compose.yml     | 2 +-
 app/main.py => main.py | 0
 3 files changed, 2 insertions(+), 2 deletions(-)
 rename app/main.py => main.py (100%)

diff --git a/Dockerfile b/Dockerfile
index 1bbf2f4..b53838a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,4 +3,4 @@ WORKDIR /app
 COPY requirements.txt .
 RUN pip install -r requirements.txt
 COPY . .
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
+CMD ["uvicorn", "main:app", "--host", "127.0.0.1", "--port", "8080"]
diff --git a/docker-compose.yml b/docker-compose.yml
index 5e91efb..c2ae55f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -19,6 +19,6 @@ services:
     environment:
       - SQLALCHEMY_DATABASE_URL=postgresql://${DB_USER}:${DB_PASSWORD}@db/${DB_NAME}
     ports:
-      - 8000:8000
+      - 8080:8000
     depends_on:
       - db
\ No newline at end of file
diff --git a/app/main.py b/main.py
similarity index 100%
rename from app/main.py
rename to main.py

From 5a6ae7c2edea001432b6cb0f868f2a38f8843a34 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 03:47:47 +0300
Subject: [PATCH 07/20] =?UTF-8?q?=D0=B2=D0=BD=D0=B5=D1=81=D0=B5=D0=BD?=
 =?UTF-8?q?=D0=B8=D0=B5=20=D0=BD=D0=B5=D0=B1=D0=BE=D0=BB=D1=8C=D1=88=D0=B8?=
 =?UTF-8?q?=D1=85=20=D0=BF=D1=80=D0=B0=D0=B2=D0=BE=D0=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .env.example       | 1 -
 Dockerfile         | 2 +-
 docker-compose.yml | 6 +++---
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/.env.example b/.env.example
index d386bd4..91a690a 100644
--- a/.env.example
+++ b/.env.example
@@ -1,5 +1,4 @@
 DB_USER=myuser
-DB_PASSWORD=mypassword
 DB_HOST=localhost
 DB_PORT=5432
 DB_NAME=mydatabase
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index b53838a..1bbf2f4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,4 +3,4 @@ WORKDIR /app
 COPY requirements.txt .
 RUN pip install -r requirements.txt
 COPY . .
-CMD ["uvicorn", "main:app", "--host", "127.0.0.1", "--port", "8080"]
+CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
diff --git a/docker-compose.yml b/docker-compose.yml
index c2ae55f..26963b1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,7 +6,7 @@ services:
     restart: always
     environment:
       POSTGRES_USER: ${DB_USER}
-      POSTGRES_PASSWORD: ${DB_PASSWORD}
+      POSTGRES_PASSWORD: 12345
       POSTGRES_DB: ${DB_NAME}
     ports:
       - ${DB_PORT}:5432
@@ -17,8 +17,8 @@ services:
       dockerfile: Dockerfile
     restart: always
     environment:
-      - SQLALCHEMY_DATABASE_URL=postgresql://${DB_USER}:${DB_PASSWORD}@db/${DB_NAME}
+      - SQLALCHEMY_DATABASE_URL=postgresql://${DB_USER}:12345@db/${DB_NAME}
     ports:
-      - 8080:8000
+      - 8000:8000
     depends_on:
       - db
\ No newline at end of file

From d8bfd89d59efe9bd2a7d0974df14917eebf8755e Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 04:01:23 +0300
Subject: [PATCH 08/20] README.md

---
 README.md | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 6f852b8..7676e1b 100644
--- a/README.md
+++ b/README.md
@@ -8,4 +8,11 @@ $ .\myenv\Scripts\activate
 Так же установить пакеты:
 ```shell
 $ pip install fastapi uvicorn sqlalchemy databases[sqlite] python-dotenv
-```
\ No newline at end of file
+```
+Что бы собрать контейнер и запустить его воспользоваться командами:
+```shell
+$ docker-compose up --build
+$ docker-compose up -d
+```
+
+P.s. Для запуска необходим установленный на пк Docker.
\ No newline at end of file

From 07810a292231c93331c6c468c53d8524969b2efc Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 23:23:54 +0300
Subject: [PATCH 09/20] =?UTF-8?q?=D0=B2=D1=8B=D0=BD=D0=B5=D1=81=20=D0=BC?=
 =?UTF-8?q?=D0=BE=D0=B4=D0=B5=D0=BB=D0=B8=20=D0=B2=20=D0=BE=D1=82=D0=B4?=
 =?UTF-8?q?=D0=B5=D0=BB=D1=8C=D0=BD=D1=8B=D0=B9=20=D1=84=D0=B0=D0=B9=D0=BB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/models.py | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 app/models.py

diff --git a/app/models.py b/app/models.py
new file mode 100644
index 0000000..0850331
--- /dev/null
+++ b/app/models.py
@@ -0,0 +1,45 @@
+from typing import List
+from sqlalchemy import Column, Integer, String, ForeignKey
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import relationship
+from pydantic import BaseModel
+
+# Создание базовой модели
+Base = declarative_base()
+
+# Модель студента
+class Student(Base):
+    __tablename__ = 'students'
+    id = Column(Integer, primary_key=True, index=True)
+    name = Column(String, nullable=False)
+    group_id = Column(Integer, ForeignKey('groups.id'))
+    group = relationship('Group', back_populates='students')
+
+# Модель группы
+class Group(Base):
+    __tablename__ = 'groups'
+    id = Column(Integer, primary_key=True, index=True)
+    name = Column(String, nullable=False)
+    students = relationship('Student', back_populates='group')
+
+# Модель для создания студента
+class StudentCreate(BaseModel):
+    name: str
+    group_id: int
+
+# Модель для создания группы
+class GroupCreate(BaseModel):
+    name: str
+
+# Модель для ответа с информацией о студенте
+class StudentResponse(BaseModel):
+    id: int
+    name: str
+    group_id: int
+
+# Модель для ответа с информацией о группе
+class GroupResponse(BaseModel):
+    id: int
+    name: str
+    students: List[StudentResponse]
+

From 2fa84d9aa7a7a23e8b5d860f1b37bf62d6bab333 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 23:24:11 +0300
Subject: [PATCH 10/20] =?UTF-8?q?=D0=B2=D1=8B=D0=BD=D0=B5=D1=81=20=D0=BF?=
 =?UTF-8?q?=D0=BE=D0=B4=D0=BA=D0=BB=D1=8E=D1=87=D0=B5=D0=BD=D0=B8=D0=B5=20?=
 =?UTF-8?q?=D0=BA=20db=20=D0=B2=20=D0=BE=D1=82=D0=B4=D0=B5=D0=BB=D1=8C?=
 =?UTF-8?q?=D0=BD=D0=BE=D0=BC=20=D1=84=D0=B0=D0=B9=D0=BB=D0=B5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/database.py | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 app/database.py

diff --git a/app/database.py b/app/database.py
new file mode 100644
index 0000000..8bb2a05
--- /dev/null
+++ b/app/database.py
@@ -0,0 +1,10 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+# Подключение к базе данных
+SQLALCHEMY_DATABASE_URL = "postgresql://<db_user>:<db_password>@<db_host>:5432/<db_name>"
+
+engine = create_engine(SQLALCHEMY_DATABASE_URL)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+
+

From 19ce417c7d63b0203360a75082c817a1ab876195 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 23:24:37 +0300
Subject: [PATCH 11/20] =?UTF-8?q?=D0=B2=D1=8B=D0=BD=D0=B5=D1=81=20API=20?=
 =?UTF-8?q?=D1=8D=D0=BD=D0=B4=D0=BF=D0=BE=D0=B8=D0=BD=D1=82=D1=8B=20=D0=B2?=
 =?UTF-8?q?=20=D0=BE=D1=82=D0=B4=D0=B5=D0=BB=D1=8C=D0=BD=D1=8B=D0=B9=20?=
 =?UTF-8?q?=D1=84=D0=B0=D0=B9=D0=BB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/routes.py | 128 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 128 insertions(+)
 create mode 100644 app/routes.py

diff --git a/app/routes.py b/app/routes.py
new file mode 100644
index 0000000..fcc90b7
--- /dev/null
+++ b/app/routes.py
@@ -0,0 +1,128 @@
+from fastapi import APIRouter, HTTPException
+from app.database import SessionLocal, engine
+from app.models import Student, Group, StudentCreate, GroupCreate, StudentResponse, GroupResponse
+
+router = APIRouter()
+
+# API эндпоинт для создания студента
+@router.post("/students/")
+def create_student(student: StudentCreate):
+    db = SessionLocal()
+    db_student = Student(name=student.name, group_id=student.group_id)
+    db.add(db_student)
+    db.commit()
+    db.refresh(db_student)
+    return {"id": db_student.id, "name": db_student.name, "group_id": db_student.group_id}
+
+# API эндпоинт для создания группы
+@router.post("/groups/")
+def create_group(group: GroupCreate):
+    db = SessionLocal()
+    db_group = Group(name=group.name)
+    db.add(db_group)
+    db.commit()
+    db.refresh(db_group)
+    return {"id": db_group.id, "name": db_group.name}
+
+# API эндпоинт для получения информации о студенте по его id
+@router.get("/students/{student_id}")
+def get_student(student_id: int):
+    db = SessionLocal()
+    student = db.query(Student).filter(Student.id == student_id).first()
+    if not student:
+        raise HTTPException(status_code=404, detail="Student not found")
+    return {"id": student.id, "name": student.name, "group_id": student.group_id}
+
+# API эндпоинт для получения информации о группе по ее id
+@router.get("/groups/{group_id}")
+def get_group(group_id: int):
+    db = SessionLocal()
+    group = db.query(Group).filter(Group.id == group_id).first()
+    if not group:
+        raise HTTPException(status_code=404, detail="Group not found")
+    return {"id": group.id, "name": group.name}
+
+# API эндпоинт для удаления студента
+@router.delete("/students/{student_id}")
+def delete_student(student_id: int):
+    db = SessionLocal()
+    student = db.query(Student).filter(Student.id == student_id).first()
+    if not student:
+        raise HTTPException(status_code=404, detail="Student not found")
+    db.delete(student)
+    db.commit()
+    return {"message": "Student deleted"}
+
+# API эндпоинт для удаления группы
+@router.delete("/groups/{group_id}")
+def delete_group(group_id: int):
+    db = SessionLocal()
+    group = db.query(Group).filter(Group.id == group_id).first()
+    if not group:
+        raise HTTPException(status_code=404, detail="Group not found")
+    db.delete(group)
+    db.commit()
+    return {"message": "Group deleted"}
+
+# API эндпоинт для получения списка студентов
+@router.get("/students/")
+def get_students():
+    db = SessionLocal()
+    students = db.query(Student).all()
+    return students
+
+# API эндпоинт для получения списка групп
+@router.get("/groups/")
+def get_groups():
+    db = SessionLocal()
+    groups = db.query(Group).all()
+    return groups
+
+# API эндпоинт для добавления студента в группу
+@router.post("/groups/{group_id}/students/{student_id}")
+def add_student_to_group(group_id: int, student_id: int):
+    db = SessionLocal()
+    group = db.query(Group).filter(Group.id == group_id).first()
+    student = db.query(Student).filter(Student.id == student_id).first()
+    if not group:
+        raise HTTPException(status_code=404, detail="Group not found")
+    if not student:
+        raise HTTPException(status_code=404, detail="Student not found")
+    student.group_id = group_id
+    db.commit()
+    return {"message": "Student added to group"}
+
+# API эндпоинт для удаления студента из группы
+@router.delete("/groups/{group_id}/students/{student_id}")
+def remove_student_from_group(group_id: int, student_id: int):
+    db = SessionLocal()
+    student = db.query(Student).filter(Student.id == student_id).first()
+    if not student:
+        raise HTTPException(status_code=404, detail="Student not found")
+    student.group_id = None
+    db.commit()
+    return {"message": "Student removed from group"}
+
+# API эндпоинт для получения всех студентов в группе
+@router.get("/groups/{group_id}/students/")
+def get_students_in_group(group_id: int):
+    db = SessionLocal()
+    group = db.query(Group).filter(Group.id == group_id).first()
+    if not group:
+        raise HTTPException(status_code=404, detail="Group not found")
+    students = group.students
+    return students
+
+# API эндпоинт для перевода студента из группы A в группу B
+@router.put("/students/{student_id}/move/{group_id}")
+def move_student(student_id: int, group_id: int):
+    db = SessionLocal()
+    student = db.query(Student).filter(Student.id == student_id).first()
+    group = db.query(Group).filter(Group.id == group_id).first()
+    if not student:
+        raise HTTPException(status_code=404, detail="Student not found")
+    if not group:
+        raise HTTPException(status_code=404, detail="Group not found")
+    student.group_id = group_id
+    db.commit()
+    return {"message": "Student moved to another group"}
\ No newline at end of file

From 1bbec193aea1611308149722ffcb580a9296eb1b Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 23:27:10 +0300
Subject: [PATCH 12/20] =?UTF-8?q?=D0=B4=D0=BE=D0=BF=D0=BE=D0=BB=D0=BD?=
 =?UTF-8?q?=D0=B5=D0=BD=D0=B8=D0=B5=20=D0=B7=D0=B0=D0=B3=D1=80=D1=83=D0=B6?=
 =?UTF-8?q?=D0=B0=D0=B5=D0=BC=D1=8B=D1=85=20=D0=B1=D0=B8=D0=B1=D0=BB=D0=B8?=
 =?UTF-8?q?=D0=BE=D1=82=D0=B5=D0=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 requirements.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/requirements.txt b/requirements.txt
index a544bf5..93e7c6e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,7 @@
 fastapi
 uvicorn
 sqlalchemy
-databases[sqlite]
+asyncpg
+psycopg2-binary
+pydantic
 python-dotenv
\ No newline at end of file

From 15371ed4b3219bf81ed86db1179ae160e6ae9dc5 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 23:27:27 +0300
Subject: [PATCH 13/20] =?UTF-8?q?=D0=B4=D0=BE=D0=BF=D0=BE=D0=BB=D0=BD?=
 =?UTF-8?q?=D0=B5=D0=BD=20readme.md?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 7676e1b..1a5deb9 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ $ .\myenv\Scripts\activate
 ```
 Так же установить пакеты:
 ```shell
-$ pip install fastapi uvicorn sqlalchemy databases[sqlite] python-dotenv
+$ pip install fastapi uvicorn sqlalchemy asyncpg psycopg2 pydantic python-dotenv
 ```
 Что бы собрать контейнер и запустить его воспользоваться командами:
 ```shell

From 512fe6bb3a4d41ac37b8dcf7c402f2f39ece4442 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 23:27:41 +0300
Subject: [PATCH 14/20] =?UTF-8?q?=D0=B8=D0=B7=D0=BC=D0=B5=D0=BD=D0=B5?=
 =?UTF-8?q?=D0=BD=20main.py?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 main.py | 177 +-------------------------------------------------------
 1 file changed, 3 insertions(+), 174 deletions(-)

diff --git a/main.py b/main.py
index 004715a..a9f4ab4 100644
--- a/main.py
+++ b/main.py
@@ -1,178 +1,7 @@
-from typing import List
-from fastapi import FastAPI, HTTPException
-from sqlalchemy import create_engine, Column, Integer, String, ForeignKey
-from sqlalchemy.ext.declarative import declarative_base
-from sqlalchemy.orm import sessionmaker, relationship
-from pydantic import BaseModel
+from fastapi import FastAPI
+from app.routes import router
 
 app = FastAPI()
 
-# Создание базовой модели
-Base = declarative_base()
+app.include_router(router, prefix="/api")
 
-# Модель студента
-class Student(Base):
-    __tablename__ = 'students'
-    id = Column(Integer, primary_key=True, index=True)
-    name = Column(String, nullable=False)
-    group_id = Column(Integer, ForeignKey('groups.id'))
-    group = relationship('Group', back_populates='students')
-
-# Модель группы
-class Group(Base):
-    __tablename__ = 'groups'
-    id = Column(Integer, primary_key=True, index=True)
-    name = Column(String, nullable=False)
-    students = relationship('Student', back_populates='group')
-
-# Модель для создания студента
-class StudentCreate(BaseModel):
-    name: str
-    group_id: int
-
-# Модель для создания группы
-class GroupCreate(BaseModel):
-    name: str
-
-# Модель для ответа с информацией о студенте
-class StudentResponse(BaseModel):
-    id: int
-    name: str
-    group_id: int
-
-# Модель для ответа с информацией о группе
-class GroupResponse(BaseModel):
-    id: int
-    name: str
-    students: List[StudentResponse]
-
-# Подключение к базе данных
-SQLALCHEMY_DATABASE_URL = "sqlite:///./test.db"
-engine = create_engine(SQLALCHEMY_DATABASE_URL)
-SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
-
-# Создание таблиц в базе данных
-Base.metadata.create_all(bind=engine)
-
-# API эндпоинт для создания студента
-@app.post("/students/")
-def create_student(student: StudentCreate):
-    db = SessionLocal()
-    db_student = Student(name=student.name, group_id=student.group_id)
-    db.add(db_student)
-    db.commit()
-    db.refresh(db_student)
-    return {"id": db_student.id, "name": db_student.name, "group_id": db_student.group_id}
-
-# API эндпоинт для создания группы
-@app.post("/groups/")
-def create_group(group: GroupCreate):
-    db = SessionLocal()
-    db_group = Group(name=group.name)
-    db.add(db_group)
-    db.commit()
-    db.refresh(db_group)
-    return {"id": db_group.id, "name": db_group.name}
-
-# API эндпоинт для получения информации о студенте по его id
-@app.get("/students/{student_id}")
-def get_student(student_id: int):
-    db = SessionLocal()
-    student = db.query(Student).filter(Student.id == student_id).first()
-    if not student:
-        raise HTTPException(status_code=404, detail="Student not found")
-    return {"id": student.id, "name": student.name, "group_id": student.group_id}
-
-# API эндпоинт для получения информации о группе по ее id
-@app.get("/groups/{group_id}")
-def get_group(group_id: int):
-    db = SessionLocal()
-    group = db.query(Group).filter(Group.id == group_id).first()
-    if not group:
-        raise HTTPException(status_code=404, detail="Group not found")
-    return {"id": group.id, "name": group.name}
-
-# API эндпоинт для удаления студента
-@app.delete("/students/{student_id}")
-def delete_student(student_id: int):
-    db = SessionLocal()
-    student = db.query(Student).filter(Student.id == student_id).first()
-    if not student:
-        raise HTTPException(status_code=404, detail="Student not found")
-    db.delete(student)
-    db.commit()
-    return {"message": "Student deleted"}
-
-# API эндпоинт для удаления группы
-@app.delete("/groups/{group_id}")
-def delete_group(group_id: int):
-    db = SessionLocal()
-    group = db.query(Group).filter(Group.id == group_id).first()
-    if not group:
-        raise HTTPException(status_code=404, detail="Group not found")
-    db.delete(group)
-    db.commit()
-    return {"message": "Group deleted"}
-
-# API эндпоинт для получения списка студентов
-@app.get("/students/")
-def get_students():
-    db = SessionLocal()
-    students = db.query(Student).all()
-    return students
-
-# API эндпоинт для получения списка групп
-@app.get("/groups/")
-def get_groups():
-    db = SessionLocal()
-    groups = db.query(Group).all()
-    return groups
-
-# API эндпоинт для добавления студента в группу
-@app.post("/groups/{group_id}/students/{student_id}")
-def add_student_to_group(group_id: int, student_id: int):
-    db = SessionLocal()
-    group = db.query(Group).filter(Group.id == group_id).first()
-    student = db.query(Student).filter(Student.id == student_id).first()
-    if not group:
-        raise HTTPException(status_code=404, detail="Group not found")
-    if not student:
-        raise HTTPException(status_code=404, detail="Student not found")
-    student.group_id = group_id
-    db.commit()
-    return {"message": "Student added to group"}
-
-# API эндпоинт для удаления студента из группы
-@app.delete("/groups/{group_id}/students/{student_id}")
-def remove_student_from_group(group_id: int, student_id: int):
-    db = SessionLocal()
-    student = db.query(Student).filter(Student.id == student_id).first()
-    if not student:
-        raise HTTPException(status_code=404, detail="Student not found")
-    student.group_id = None
-    db.commit()
-    return {"message": "Student removed from group"}
-
-# API эндпоинт для получения всех студентов в группе
-@app.get("/groups/{group_id}/students/")
-def get_students_in_group(group_id: int):
-    db = SessionLocal()
-    group = db.query(Group).filter(Group.id == group_id).first()
-    if not group:
-        raise HTTPException(status_code=404, detail="Group not found")
-    students = group.students
-    return students
-
-# API эндпоинт для перевода студента из группы A в группу B
-@app.put("/students/{student_id}/move/{group_id}")
-def move_student(student_id: int, group_id: int):
-    db = SessionLocal()
-    student = db.query(Student).filter(Student.id == student_id).first()
-    group = db.query(Group).filter(Group.id == group_id).first()
-    if not student:
-        raise HTTPException(status_code=404, detail="Student not found")
-    if not group:
-        raise HTTPException(status_code=404, detail="Group not found")
-    student.group_id = group_id
-    db.commit()
-    return {"message": "Student moved to another group"}

From f61e9b97cbec6471faf1fec6c2a734fe5886e3a4 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 23:28:28 +0300
Subject: [PATCH 15/20] =?UTF-8?q?=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB?=
 =?UTF-8?q?=D0=B5=D0=BD=20.env?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .env         | 5 +++++
 .env.example | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 .env

diff --git a/.env b/.env
new file mode 100644
index 0000000..a80ff41
--- /dev/null
+++ b/.env
@@ -0,0 +1,5 @@
+DB_USER=postgres
+DB_PASSWORD=12345
+DB_HOST=localhost
+DB_PORT=5432
+DB_NAME=mydatabase
\ No newline at end of file
diff --git a/.env.example b/.env.example
index 91a690a..a80ff41 100644
--- a/.env.example
+++ b/.env.example
@@ -1,4 +1,5 @@
-DB_USER=myuser
+DB_USER=postgres
+DB_PASSWORD=12345
 DB_HOST=localhost
 DB_PORT=5432
 DB_NAME=mydatabase
\ No newline at end of file

From 373def372f03680ee2c40c4ea9330ee90f276eaa Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Wed, 7 Jun 2023 23:28:54 +0300
Subject: [PATCH 16/20] =?UTF-8?q?=D0=B8=D1=81=D0=BF=D1=80=D0=B0=D0=B2?=
 =?UTF-8?q?=D0=BB=D0=B5=D0=BD=D0=BE=20=D0=B7=D0=BD=D0=B0=D1=87=D0=B5=D0=BD?=
 =?UTF-8?q?=D0=B8=D0=B5=20=D0=BF=D0=BE=D1=80=D1=82=D0=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docker-compose.yml | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index 26963b1..5714c01 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -6,10 +6,10 @@ services:
     restart: always
     environment:
       POSTGRES_USER: ${DB_USER}
-      POSTGRES_PASSWORD: 12345
+      POSTGRES_PASSWORD: ${DB_PASSWORD}
       POSTGRES_DB: ${DB_NAME}
     ports:
-      - ${DB_PORT}:5432
+      - 5432:5432
 
   app:
     build:
@@ -17,7 +17,11 @@ services:
       dockerfile: Dockerfile
     restart: always
     environment:
-      - SQLALCHEMY_DATABASE_URL=postgresql://${DB_USER}:12345@db/${DB_NAME}
+      - DB_USER=${DB_USER}
+      - DB_PASSWORD=${DB_PASSWORD}
+      - DB_HOST=${DB_HOST}
+      - DB_PORT=${DB_PORT}
+      - DB_NAME=${DB_NAME}
     ports:
       - 8000:8000
     depends_on:

From 144ba031db236f00e559994be0b3b5d343c1d1ff Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Thu, 8 Jun 2023 01:08:23 +0300
Subject: [PATCH 17/20] =?UTF-8?q?=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8?=
 =?UTF-8?q?=D0=BB=20=D0=BA=D0=BE=D0=BD=D1=84=D0=B8=D0=B3=20=D0=B4=D0=BB?=
 =?UTF-8?q?=D1=8F=20.env=20=D1=84=D0=B0=D0=B9=D0=BB=D0=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/config.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 app/config.py

diff --git a/app/config.py b/app/config.py
new file mode 100644
index 0000000..204bfe6
--- /dev/null
+++ b/app/config.py
@@ -0,0 +1,14 @@
+from pydantic import BaseSettings
+
+class Settings(BaseSettings):
+    db_user: str
+    db_password: str
+    db_host: str
+    db_port: str
+    db_name: str
+
+    class Config:
+        env_file = ".env"
+        env_file_encoding = "utf-8"
+
+settings = Settings()
\ No newline at end of file

From 8f7d1fbc0f6731f824f648c3955289902b17eb21 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Thu, 8 Jun 2023 01:08:41 +0300
Subject: [PATCH 18/20] =?UTF-8?q?=D0=B8=D0=B7=D0=BC=D0=B5=D0=BD=D0=B8?=
 =?UTF-8?q?=D0=BB=20url?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/database.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app/database.py b/app/database.py
index 8bb2a05..a62bb97 100644
--- a/app/database.py
+++ b/app/database.py
@@ -1,10 +1,12 @@
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
+from sqlalchemy.ext.declarative import declarative_base
+from app.config import settings
 
 # Подключение к базе данных
-SQLALCHEMY_DATABASE_URL = "postgresql://<db_user>:<db_password>@<db_host>:5432/<db_name>"
+SQLALCHEMY_DATABASE_URL = f"postgresql://{settings.db_user}:{settings.db_password}@{settings.db_host}:{settings.db_port}/{settings.db_name}"
 
 engine = create_engine(SQLALCHEMY_DATABASE_URL)
 SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
 
-
+Base = declarative_base()

From b99b84466874896a346a2291f4ce2ca6f001eea1 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Thu, 8 Jun 2023 01:09:29 +0300
Subject: [PATCH 19/20] =?UTF-8?q?=D0=BD=D0=B5=D0=B1=D0=BE=D0=BB=D1=8C?=
 =?UTF-8?q?=D1=88=D0=B8=D0=B5=20=D0=B8=D1=81=D0=BF=D1=80=D0=B0=D0=B2=D0=BB?=
 =?UTF-8?q?=D0=B5=D0=BD=D0=B8=D1=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docker-compose.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/docker-compose.yml b/docker-compose.yml
index 5714c01..c4d3652 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -19,8 +19,8 @@ services:
     environment:
       - DB_USER=${DB_USER}
       - DB_PASSWORD=${DB_PASSWORD}
-      - DB_HOST=${DB_HOST}
-      - DB_PORT=${DB_PORT}
+      - DB_HOST=localhost
+      - DB_PORT=5432
       - DB_NAME=${DB_NAME}
     ports:
       - 8000:8000

From 86d1809270a5413f5b59eab6eada0fdca5a4e149 Mon Sep 17 00:00:00 2001
From: Chilipinas <evgeniy.belousov.20@list.ru>
Date: Thu, 8 Jun 2023 01:10:43 +0300
Subject: [PATCH 20/20] =?UTF-8?q?=D0=BD=D0=B5=D0=B1=D0=BE=D0=BB=D1=8C?=
 =?UTF-8?q?=D1=88=D0=B8=D0=B5=20=D0=B8=D1=81=D0=BF=D1=80=D0=B0=D0=B2=D0=BB?=
 =?UTF-8?q?=D0=B5=D0=BD=D0=B8=D1=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/models.py |  5 +----
 app/routes.py | 47 ++++++++++++++++++++++-------------------------
 2 files changed, 23 insertions(+), 29 deletions(-)

diff --git a/app/models.py b/app/models.py
index 0850331..d6e5d5c 100644
--- a/app/models.py
+++ b/app/models.py
@@ -1,11 +1,8 @@
 from typing import List
 from sqlalchemy import Column, Integer, String, ForeignKey
-from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy.orm import relationship
 from pydantic import BaseModel
-
-# Создание базовой модели
-Base = declarative_base()
+from app.database import Base
 
 # Модель студента
 class Student(Base):
diff --git a/app/routes.py b/app/routes.py
index fcc90b7..c131143 100644
--- a/app/routes.py
+++ b/app/routes.py
@@ -1,13 +1,21 @@
-from fastapi import APIRouter, HTTPException
+from fastapi import APIRouter, HTTPException, Depends
+from sqlalchemy.orm import Session
 from app.database import SessionLocal, engine
 from app.models import Student, Group, StudentCreate, GroupCreate, StudentResponse, GroupResponse
 
 router = APIRouter()
 
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+
 # API эндпоинт для создания студента
 @router.post("/students/")
-def create_student(student: StudentCreate):
-    db = SessionLocal()
+def create_student(student: StudentCreate, db: Session = Depends(get_db)):
     db_student = Student(name=student.name, group_id=student.group_id)
     db.add(db_student)
     db.commit()
@@ -16,8 +24,7 @@ def create_student(student: StudentCreate):
 
 # API эндпоинт для создания группы
 @router.post("/groups/")
-def create_group(group: GroupCreate):
-    db = SessionLocal()
+def create_group(group: GroupCreate, db: Session = Depends(get_db)):
     db_group = Group(name=group.name)
     db.add(db_group)
     db.commit()
@@ -26,8 +33,7 @@ def create_group(group: GroupCreate):
 
 # API эндпоинт для получения информации о студенте по его id
 @router.get("/students/{student_id}")
-def get_student(student_id: int):
-    db = SessionLocal()
+def get_student(student_id: int, db: Session = Depends(get_db)):
     student = db.query(Student).filter(Student.id == student_id).first()
     if not student:
         raise HTTPException(status_code=404, detail="Student not found")
@@ -35,8 +41,7 @@ def get_student(student_id: int):
 
 # API эндпоинт для получения информации о группе по ее id
 @router.get("/groups/{group_id}")
-def get_group(group_id: int):
-    db = SessionLocal()
+def get_group(group_id: int, db: Session = Depends(get_db)):
     group = db.query(Group).filter(Group.id == group_id).first()
     if not group:
         raise HTTPException(status_code=404, detail="Group not found")
@@ -44,8 +49,7 @@ def get_group(group_id: int):
 
 # API эндпоинт для удаления студента
 @router.delete("/students/{student_id}")
-def delete_student(student_id: int):
-    db = SessionLocal()
+def delete_student(student_id: int, db: Session = Depends(get_db)):
     student = db.query(Student).filter(Student.id == student_id).first()
     if not student:
         raise HTTPException(status_code=404, detail="Student not found")
@@ -55,8 +59,7 @@ def delete_student(student_id: int):
 
 # API эндпоинт для удаления группы
 @router.delete("/groups/{group_id}")
-def delete_group(group_id: int):
-    db = SessionLocal()
+def delete_group(group_id: int, db: Session = Depends(get_db)):
     group = db.query(Group).filter(Group.id == group_id).first()
     if not group:
         raise HTTPException(status_code=404, detail="Group not found")
@@ -66,22 +69,19 @@ def delete_group(group_id: int):
 
 # API эндпоинт для получения списка студентов
 @router.get("/students/")
-def get_students():
-    db = SessionLocal()
+def get_students(db: Session = Depends(get_db)):
     students = db.query(Student).all()
     return students
 
 # API эндпоинт для получения списка групп
 @router.get("/groups/")
-def get_groups():
-    db = SessionLocal()
+def get_groups(db: Session = Depends(get_db)):
     groups = db.query(Group).all()
     return groups
 
 # API эндпоинт для добавления студента в группу
 @router.post("/groups/{group_id}/students/{student_id}")
-def add_student_to_group(group_id: int, student_id: int):
-    db = SessionLocal()
+def add_student_to_group(group_id: int, student_id: int, db: Session = Depends(get_db)):
     group = db.query(Group).filter(Group.id == group_id).first()
     student = db.query(Student).filter(Student.id == student_id).first()
     if not group:
@@ -94,8 +94,7 @@ def add_student_to_group(group_id: int, student_id: int):
 
 # API эндпоинт для удаления студента из группы
 @router.delete("/groups/{group_id}/students/{student_id}")
-def remove_student_from_group(group_id: int, student_id: int):
-    db = SessionLocal()
+def remove_student_from_group(group_id: int, student_id: int, db: Session = Depends(get_db)):
     student = db.query(Student).filter(Student.id == student_id).first()
     if not student:
         raise HTTPException(status_code=404, detail="Student not found")
@@ -105,8 +104,7 @@ def remove_student_from_group(group_id: int, student_id: int):
 
 # API эндпоинт для получения всех студентов в группе
 @router.get("/groups/{group_id}/students/")
-def get_students_in_group(group_id: int):
-    db = SessionLocal()
+def get_students_in_group(group_id: int, db: Session = Depends(get_db)):
     group = db.query(Group).filter(Group.id == group_id).first()
     if not group:
         raise HTTPException(status_code=404, detail="Group not found")
@@ -115,8 +113,7 @@ def get_students_in_group(group_id: int):
 
 # API эндпоинт для перевода студента из группы A в группу B
 @router.put("/students/{student_id}/move/{group_id}")
-def move_student(student_id: int, group_id: int):
-    db = SessionLocal()
+def move_student(student_id: int, group_id: int, db: Session = Depends(get_db)):
     student = db.query(Student).filter(Student.id == student_id).first()
     group = db.query(Group).filter(Group.id == group_id).first()
     if not student: