Update go.yml

Author: keeee2

.github/workflows/go.yml

@@ -1,6 +1,4 @@
-# This workflow will build a golang project
-# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-go
-
+# .github/workflows/go.yml
 name: Go
 
 on:
@@ -10,19 +8,27 @@ on:
     branches: [ "main" ]
 
 jobs:
-
   build:
     runs-on: ubuntu-latest
+
     steps:
-    - uses: actions/checkout@v4
+      - uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: 'go.mod'
 
-    - name: Set up Go
-      uses: actions/setup-go@v4
-      with:
-        go-version: '1.20'
+      - name: Build app (app/main.go)
+        run: |
+          mkdir -p dist
+          go build -v -o dist/app ./app
 
-    - name: Build
-      run: go build -v ./...
+      - name: Test (all packages)
+        run: go test -v ./...
 
-    - name: Test
-      run: go test -v ./...
+      - name: Upload build artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: app-linux-amd64
+          path: dist/app