Automated multi-arch build via github actions

.github/workflows/docker-publish-image.yml

@@ -0,0 +1,86 @@
+name: Docker hub auto publish image
+
+on:
+  push:
+    branches:
+      - master
+    paths:
+      # Run when file is edited
+      - Dockerfile
+      - start_vsftpd.sh
+      - vsftpd.conf
+
+  # Run tests for any PRs.
+  pull_request:
+
+env:
+  # Image name at docker hub
+  IMAGE_NAME: delfer/alpine-ftp-server
+
+jobs:
+  # Run tests.
+  # See also https://docs.docker.com/docker-hub/builds/automated-testing/
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout 
+        uses: actions/checkout@v2
+
+      - name: Run tests
+        run: |
+          if [ -f docker-compose.test.yml ]; then
+            docker-compose --file docker-compose.test.yml build
+            docker-compose --file docker-compose.test.yml run sut
+          else
+            docker build . --file Dockerfile
+          fi
+
+  push:
+    # Ensure test job passes before pushing image.
+    needs: test
+
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push'
+
+    steps:
+      - name: Checkout 
+        uses: actions/checkout@v2
+        
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+       
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+          # Genrate secret from here https://hub.docker.com/settings/security
+          username: ${{ secrets.DOCKER_HUB_USERNAME }}
+          password: ${{ secrets.DOCKER_HUB_ACCESS_TOKEN }}
+
+      - name: Add Label Schema to Dockerfile
+        run: |
+          # Label Schema based on http://label-schema.org/rc1/
+          TIME_ISO=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
+          echo "LABEL org.label-schema.build-date=$TIME_ISO" >> Dockerfile
+          echo "LABEL org.label-schema.name=vsftpd" >> Dockerfile
+          echo "LABEL org.label-schema.url=https://security.appspot.com/vsftpd.html" >> Dockerfile
+          echo "LABEL org.label-schema.vcs-url=https://github.com/delfer/docker-alpine-ftp-server" >> Dockerfile
+          GIT_HASH=$(git rev-parse --short "$GITHUB_SHA")
+          echo "LABEL org.label-schema.vcs-ref=$GIT_HASH" >> Dockerfile
+          echo "LABEL org.label-schema.schema-version=1.0.0-rc.1" >> Dockerfile
+          echo "LABEL org.label-schema.docker.cmd=\"docker run -d -p 21:21 -e USERS=\"username|password\" delfer/alpine-ftp-server\"" >> Dockerfile
+          # Show edited Dockerfile content
+          cat Dockerfile
+                    
+      - name: Build and push latest
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: ./Dockerfile
+          platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
+          push: true
+          tags: |
+            ${{ env.IMAGE_NAME }}:latest