Railway environments give you an isolated instance of all plugins in a project. You can use them to
- Have development environments for each team member that are identical to the production environment
- Have separate staging and production environments
Each environment has the same plugins. When a new plugin is added to the project, an instance of that plugin is created for each environment.
Project variables are provided whenever you build, deploy, or run
Together these variables form your Railway environment. Each
plugin provides the necessary environment variables needed to use it (such as
DATABASE_URL for the PG plugin). You can also specify custom variables on the
project variables page.
You can view all variables for the current environment with
railway env and change the environment with
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