João Monteiro

The forum link in the readme file leads to a 404

[BUG] COPY after VOLUME should be ignored

4

### Contributing guidelines - [X] I've read the [contributing guidelines](https://github.com/docker/buildx/blob/master/.github/CONTRIBUTING.md) and wholeheartedly agree ### I've found a bug and checked that ... - [X] ... the documentation does not mention...