Fetching gem metadata from https://rubygems.org/.......... Resolving dependencies... Resolving 1.22.19 to a url... Downloading https://github.com/yarnpkg/yarn/releases/download/v1.22.19/yarn-1.22.19.js... Saving it into /Users/jq/tabetai/.yarn/releases/yarn-1.22.19.cjs... Updating /Users/jq/tabetai/.yarnrc... Done! create Dockerfile create .dockerignore create .node-version create bin/docker-entrypoint create config/dockerfile.yml Wrote config file fly.toml Validating /Users/jq/tabetai/fly.toml Platform: machines ✓ Configuration is valid Your Rails app is prepared for deployment. Before proceeding, please review the posted Rails FAQ: https://fly.io/docs/rails/getting-started/dockerfiles/. Once ready: run 'fly deploy' to deploy your Rails app.