feat: add GitHub Actions workflow for building and pushing Docker images

.github/workflows/release.yaml

@@ -0,0 +1,47 @@
+name: Build and Push Docker Image
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: all
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push Docker images
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          push: true
+          platforms: |
+            linux/amd64,
+            linux/arm/v7,
+            linux/arm64,
+            linux/386,
+            linux/mips64le,
+            linux/mipsle,
+            linux/riscv64,
+            windows/amd64,
+            windows/arm64,
+            darwin/amd64,
+            darwin/arm64
+          tags: sunbk201/ua3f:${{ github.ref }}

Dockerfile

@@ -0,0 +1,22 @@
+FROM --platform=$BUILDPLATFORM golang:1.19-alpine AS builder
+
+WORKDIR /app
+
+COPY src/go.mod src/go.sum ./
+
+COPY src/ ./
+
+ARG TARGETOS
+ARG TARGETARCH
+
+RUN CGO_ENABLED=0 GOOS=$TARGETOS GOARCH=$TARGETARCH go build -trimpath -ldflags="-s -w" -o ua3f
+
+FROM alpine
+
+WORKDIR /app
+
+COPY --from=builder /app/ua3f .
+
+EXPOSE 1080
+
+ENTRYPOINT ["/app/ua3f"]