oh good, glad to hear it! fly-builder-crimson-river is the remote machine that fly deploy builds on. fly deploy will use those machines to build your app’s image in the case that it doesn’t detect local build tools for your app.
after a successful deploy, the app should reflect the changes made to its codebase. a re-deploy with the --remote-only option might do the trick?
the following posts might also come in handy if you need to run further deploy troubleshooting steps: