The Dockerfile.app builds without a lock file because it's in the root directory for all workspaces. It probably needs to be copied in from outside the context, and that might not be possible.
Step 12/18 : RUN yarn
---> Running in aeafa286b76f
yarn install v1.22.19
info No lockfile found.
[1/4] Resolving packages..
The Dockerfile.app builds without a lock file because it's in the root directory for all workspaces. It probably needs to be copied in from outside the context, and that might not be possible.