Login into GitHub and push 🤞

.github/workflows/docker-image.yml

@@ -13,6 +13,22 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Build the Docker image
-      run: docker build src/ --file src/Dockerfile --tag "ghcr.io/neothor/steam-openid-connect-provider:$(date +%s)"
+    - 
+        name: Checkout
+        uses: actions/checkout@v2
+    
+    -
+        name: Login to GitHub Container Registry
+        uses: docker/login-action@v1
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+          
+    -
+        name: Build and push
+        uses: docker/build-push-action@v2
+        with:
+          context: src/
+          push: true
+          tags: ghcr.io/neothor/steam-openid-connect-provider:$(date +%s)