feat: add multi-platform support and GitHub Actions caching to Docker build workflow

Author: msavdert

.github/workflows/docker-publish.yml

@@ -25,6 +25,12 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
       - name: Log into registry ${{ env.REGISTRY }}
         uses: docker/login-action@v3
         with:
@@ -46,9 +52,12 @@ jobs:
         with:
           context: .
           push: true
+          platforms: linux/amd64,linux/arm64
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
           build-args: |
             DEV_USER=${{ env.DEV_USER }}
             DEV_UID=${{ env.DEV_UID }}
             DEV_GID=${{ env.DEV_GID }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max