feat: add the GitHub action to create a Docker image and push to Docker's registry

.github/workflows/docker-build.yml

@@ -0,0 +1,57 @@
+name: Build and Push Docker Images
+
+on:
+  schedule:
+    - cron: '0 0 1 * *'  # Run monthly on the 1st
+  workflow_dispatch:  # Allow manual triggers
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest
+            type=raw,value={{date 'YYYYMMDD'}}
+
+      - name: Build and push regular image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+      - name: Build and push Alpine image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./Dockerfile-alpine
+          push: true
+          tags: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:alpine
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:alpine-{{date 'YYYYMMDD'}}
+          labels: ${{ steps.meta.outputs.labels }}