Initial Docker CI

.github/workflows/docker.yml

@@ -0,0 +1,42 @@
+name: Docker CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout Project
+      uses: actions/checkout@v2
+
+    - name: Determine SHA tag for Docker image
+      id: tag
+      run: |
+        SHA=${{ github.event.after }}
+        SHORT_SHA=${SHA::8}
+        echo "short_sha=${SHORT_SHA}" | tee "$GITHUB_OUTPUT"
+
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v3
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Login to Docker Hub
+      uses: docker/login-action@v3
+      with:
+        username: ${{ secrets.DOCKERHUB_USERNAME }}
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+    - name: Build with Docker
+      uses: docker/build-push-action@v5
+      with:
+        push: ${{ github.ref == 'refs/heads/master' }}
+        tags: ${{ secrets.DOCKERHUB_REPO }}:latest,${{ secrets.DOCKERHUB_REPO }}:${{ steps.tag.outputs.short_sha }}
+        platforms: linux/amd64,linux/arm64