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rails new builder

Toggle the options you want, pick a Rails version, and copy the generated command. Available flags update to match the selected version.

your command

App name / path

Rails version

Rails source

released --edge --main

Builds the command for Rails rails new. Pinning emits rails _x.y.z_ new …. Available flags reflect each version per the official release notes — defaults (--database=sqlite3, --javascript=importmap, propshaft/sprockets) are omitted from the command since they're applied automatically.