Publish docker image

.github/workflows/docker-image.yml

@@ -5,14 +5,34 @@ on:
     branches: [ "master" ]
   pull_request:
     branches: [ "master" ]
-
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
 jobs:
-
-  build:
-
+  build-and-push:
     runs-on: ubuntu-latest
-
+    permissions:
+      contents: read
+      packages: write
     steps:
-    - uses: actions/checkout@v3
-    - name: Build the Docker image
-      run: docker build . --file Dockerfile --tag my-image-name:$(date +%s)
+    - uses: actions/checkout@v3    
+    - name: Log in to the Container registry
+      uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+    - name: Extract metadata (tags, labels) for Docker
+      id: meta
+      uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
+      with:
+        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+    - name: Build and push Docker image
+      uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
+      with:
+        context: .
+        push: true
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}