Add Docker

Dockerfile

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+FROM golang:alpine AS builder
+
+LABEL maintainer="d0mhate"
+
+RUN apk add --update upx
+
+WORKDIR /build
+
+# сначала копируем go.mod и go.sum для кэширования зависимостей
+COPY go.* ./
+# COPY vendor ./vendor
+RUN go mod download
+
+COPY . .
+
+ENV GO111MODULE=on \
+    CGO_ENABLED=0 \
+    GOOS=linux \
+    GOARCH=amd64
+
+RUN go build -mod=vendor -ldflags="-s -w" -o /app/tg-ws-proxy cmd/tg-ws-proxy/main.go
+
+RUN upx --lzma /app/tg-ws-proxy
+
+#########################
+
+# scratch
+FROM alpine:latest
+
+COPY --from=builder /app/tg-ws-proxy /bin/tg-ws-proxy
+
+ENTRYPOINT ["/bin/tg-ws-proxy"]
+
+CMD ["--host", "0.0.0.0"]

docker-compose.yml

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+name: tg-ws-proxy-go
+
+services:
+  backend:
+    container_name: tg-ws-proxy-go
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "1080:1080"
+    command: ["--host", "0.0.0.0"]