Create tags

.github/workflows/docker-image.yml

@@ -25,10 +25,27 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
           
+    -
+        name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v3
+        with:
+          images: |
+            ghcr.io/neothor/steam-openid-connect-provider
+          tags: |
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
+          
     -
         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)
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}