Add docker image publish

.github/workflows/docker-publish.yml

@@ -0,0 +1,32 @@
+name: Build and Publish Docker Image
+
+on:
+  push:
+    branches:
+    - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Log in to GitHub Container Registry
+      uses: docker/login-action@v2
+      with:
+        registry: ghcr.io
+        username: ${{ github.repository_owner }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Build and push Docker image
+      uses: docker/build-push-action@v4
+      with:
+        context: .
+        push: true
+        platforms: linux/amd64,linux/arm64,linux/arm/v7,linux/arm/v6,linux/386,linux/ppc64le,linux/s390x
+        tags: ghcr.io/${{ github.repository_owner }}/${{ github.repository }}:latest