R
Rails · App Generator
ruby 4.0.5

rails new my_app

Rails is served omakase — everything's included by default. Dish out the stack you actually want, then copy the command.

Rails 8.1.3Convention over configurationThe one-person framework
01

Identity

What's the application called? Spaces become underscores.

→ generates into ./my_app

02

Foundations

The database, front-end pipeline and overall shape of the stack.

default

default

default

Stack posture

The full omakase stack.

Rails source

The released Rails gem.

03

The Stack

The frameworks baked into every Rails app. Switch off what you won't ship.

04

Quality & Tooling

The default toolbelt for tests, linting and security.

05

Deploy & Infrastructure

How the app boots, containerises and ships to production.

06

Repository & Bundle

What happens to source control and gems once files are written.

Flags mirror rails new --help · Rails 8.1.3