Update docker-image.yml

Signed-off-by: Joe Hanson <joe@veri.dev>

.github/workflows/docker-image.yml

@@ -3,16 +3,36 @@ name: Docker Image CI
 on:
   push:
     branches: [ "master" ]
-  pull_request:
-    branches: [ "master" ]
 
 jobs:
-
-  build:
-
+  docker:
     runs-on: ubuntu-latest
-
     steps:
-    - uses: actions/checkout@v3
-    - name: Build the Docker image
-      run: docker build . --file Dockerfile --tag my-image-name:$(date +%s)
+      -
+        name: Checkout
+        uses: actions/checkout@v3
+      -
+        name: Set up QEMU
+        uses: docker/setup-qemu-action@v2
+      -
+        name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v2
+      -
+        name: Login 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
+        uses: docker/build-push-action@v4
+        with:
+          context: .
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: |
+            user/app:latest
+            user/app:1.0.0
+            ghcr.io/user/app:latest
+            ghcr.io/user/app:1.0.0