Add labels

.github/workflows/build-and-push.yml

@@ -71,6 +71,14 @@ jobs:
             type=raw,value=${{ steps.version.outputs.version }}
             type=sha,format=long,prefix=sha-
             type=raw,value=latest
+          labels: |
+            org.opencontainers.image.title=Caddy with ${{ matrix.variant.name }} plugins
+            org.opencontainers.image.description=Caddy web server with ${{ matrix.variant.name }} plugins
+            org.opencontainers.image.version=${{ steps.version.outputs.version }}
+            org.opencontainers.image.url=https://github.com/${{ github.repository }}
+            org.opencontainers.image.source=https://github.com/${{ github.repository }}
+            org.opencontainers.image.licenses=Apache-2.0
+            org.opencontainers.image.created=${{ steps.meta.outputs.date }}
       - 
         name: Build and push
         uses: docker/build-push-action@v6.18.0