compress with zstd

Author: lina-bh

.github/workflows/build.yml

@@ -103,6 +103,7 @@ jobs:
         id: build_image
         env:
           GENERATED_LABELS: ${{ steps.metadata.outputs.labels }}
+          GENERATED_TAGS: ${{ steps.metadata.outputs.tags }}
         run: just build
 
       # Workaround bug where capital letters in your GitHub username make it impossible to push to GHCR.
@@ -132,6 +133,8 @@ jobs:
           tags: ${{ steps.metadata.outputs.tags }}
           username: ${{ env.REGISTRY_USER }}
           password: ${{ env.REGISTRY_PASSWORD }}
+          extra-args: |
+            --compression-format=zstd
 
       # This section is optional and only needs to be enabled if you plan on distributing
       # your project for others to consume. You will need to create a public and private key