Application Configuration
Intro
- you need to be able to configure your applications for different scenarios
- you need both configuration files and environment variables
- a standardized way regardless of technology stack will serve you well
Why This Matters
- standardized configuration makes it easy to adapt applications to different deployments
- easier for the team to understand
Our Recommendation
- Use TOML for your configuration file
- Expose each option as an environment variable
How To Do It
- Use layered configuration
- environment should override all
- accept configuration files as well
Alternatives/Notes
- 12 factor applications that have only environment configuration