Automate Docker builds using GitHub actions

.github/workflows/docker-build.yaml

@@ -0,0 +1,38 @@
+name: Build and publish Docker image
+
+on:
+  push:
+
+jobs:
+  build-and-push-image:
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/[email protected]
+
+      - name: Log in to the Container registry
+        uses: docker/[email protected]
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/[email protected]
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=raw,value={{sha}}
+
+      - name: Build and push Docker image
+        uses: docker/[email protected]
+        with:
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}