Build the container for x86 (amd64) only

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

.gitea/workflows/build.yml

@@ -12,7 +12,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - uses: docker/setup-qemu-action@v3
       - uses: docker/setup-buildx-action@v3
 
       # Repo secrets needed (Settings -> Actions -> Secrets):
@@ -36,7 +35,7 @@ jobs:
       - uses: docker/build-push-action@v6
         with:
           context: .
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/amd64
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}

README.md

@@ -36,7 +36,7 @@ e.g. hub.necloud.us. Settings: `SEAFILE_URL`, `ONLYOFFICE_URL` env vars in docke
 ## Build and deploy with Gitea
 
 `.gitea/workflows/build.yml` builds the container on every push to `main` (and `v*` tags) and pushes it to
-`git.necloud.us/nate/hub` (tags: `latest`, short commit sha, git tag). Multi-arch: amd64 + arm64.
+`git.necloud.us/nate/hub` (tags: `latest`, short commit sha, git tag). amd64 (x86) only.
 
 One-time setup in Gitea: create an access token with the **write:package** scope, then add it to the repo under
 Settings -> Actions -> Secrets as `REGISTRY_TOKEN` (optionally `REGISTRY_USER`). The runner needs Docker.