feat: publish docker image in ci

.github/workflows/ci.yaml

@@ -0,0 +1,55 @@
+name: ci
+
+on:
+  push:
+    branches:
+      - "master"
+    tags:
+      - "v*"
+  pull_request:
+    branches:
+      - "master"
+
+jobs:
+  docker:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: zhusj/wghttp,ghcr.io/zhsj/wghttp
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+
+      - name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_PASSWORD }}
+
+      - name: Login to GitHub Container Registry
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build
+        uses: docker/bake-action@v1
+        with:
+          files: |
+            ./docker-bake.hcl
+            ${{ steps.meta.outputs.bake-file }}
+          targets: build
+          push: ${{ github.event_name != 'pull_request' }}

Dockerfile

@@ -0,0 +1,10 @@
+FROM --platform=$BUILDPLATFORM golang as builder
+WORKDIR /app
+COPY . .
+RUN go mod vendor
+ARG TARGETARCH
+RUN CGO_ENABLED=0 GOARCH=$TARGETARCH go build -v -trimpath -ldflags="-w -s" .
+
+FROM scratch
+COPY --from=builder /app/wghttp /
+ENTRYPOINT ["/wghttp"]

docker-bake.hcl

@@ -0,0 +1,20 @@
+target "docker-metadata-action" {}
+
+target "build" {
+  inherits = ["docker-metadata-action"]
+  context = "./"
+  platforms = [
+    "linux/386",
+    "linux/amd64",
+    "linux/arm",
+    "linux/arm64",
+    "linux/mips",
+    "linux/mips64",
+    "linux/mips64le",
+    "linux/mipsle",
+    "linux/ppc64",
+    "linux/ppc64le",
+    "linux/riscv64",
+    "linux/s390x",
+  ]
+}