general: add unit test for docker images

.github/workflows/develop.yaml

@@ -0,0 +1,108 @@
+on:
+  push:
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - 'master'
+
+jobs:
+  go-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Golang
+        uses: actions/setup-go@v4
+
+      - name: Run frontend unit test
+        run: |
+          export GO111MODULE=on
+          cd frontend
+          go get -v -t -d ./...
+          go test -v ./...
+          cd ..
+
+      - name: Run proxy unit test
+        run: |
+          export GO111MODULE=on
+          cd proxy
+          go get -v -t -d ./...
+          go test -v ./...
+          cd ..
+
+  docker-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Test whois binary in frontend image
+        run: |
+          docker build -t local/frontend frontend/
+          docker run --rm --net host --entrypoint whois local/frontend github.com || exit 1
+          docker run --rm --net host --entrypoint whois local/frontend -h whois.ripe.net github.com || exit 1
+          docker run --rm --net host --entrypoint whois local/frontend -h whois.ripe.net:43 github.com || exit 1
+
+      - name: Test traceroute binary in proxy image
+        run: |
+          docker build -t local/proxy proxy/
+          docker run --rm --net host --entrypoint traceroute local/proxy 127.0.0.1 || exit 1
+          docker run --rm --net host --entrypoint traceroute local/proxy ::1 || exit 1
+
+  docker-develop:
+    runs-on: ubuntu-latest
+    needs:
+      - go-test
+      - docker-test
+    if: github.event_name != 'pull_request'
+    steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Login to GitHub Container Registry
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build frontend docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: '{{defaultContext}}:frontend'
+          platforms: linux/amd64,linux/arm64,linux/386,linux/arm/v7
+          push: true
+          tags: |
+            xddxdd/bird-lg-go:develop
+            xddxdd/bird-lg-go:develop-${{ github.sha }}
+            ghcr.io/xddxdd/bird-lg-go:frontend-develop
+            ghcr.io/xddxdd/bird-lg-go:frontend-develop-${{ github.sha }}
+
+      - name: Build proxy docker image
+        uses: docker/build-push-action@v4
+        with:
+          context: '{{defaultContext}}:proxy'
+          platforms: linux/amd64,linux/arm64,linux/386,linux/arm/v7
+          push: true
+          tags: |
+            xddxdd/bird-lgproxy-go:develop
+            xddxdd/bird-lgproxy-go:develop-${{ github.sha }}
+            ghcr.io/xddxdd/bird-lg-go:proxy-develop
+            ghcr.io/xddxdd/bird-lg-go:proxy-develop-${{ github.sha }}