Using the Environment for Runtime Configuration
Explore how to manage runtime configuration in Rails apps using the UNIX environment for consistency and security. Learn why relying on environment variables aligns with 12-factor app principles and how to handle keys and secrets effectively across development, testing, and production environments.
We'll cover the following...
We'll cover the following...
The runtime configuration is information Rails cannot properly determine on its own, but that is critical for our app to be able to start up and run. This information also tends to be different in development, testing, and production. Database credentials are a great example.
Rails provides three mechanisms that all work together to manage runtime configuration:
The UNIX environment
The
config/database.ymlAn encrypted YAML ...