Container Environment Variables
Configure environment variables for containers, including security and configuration best practices.
Environment Variables
Configure environment variables that will be passed to your container at runtime. Environment variables are key-value pairs that provide configuration settings, API keys, database connections, and other runtime parameters to your containerized applications.
What are Environment Variables?
Environment variables are dynamic values that can affect the way running processes behave in your container. They provide a way to:
- Configure Applications: Pass configuration settings without modifying code
- Set Runtime Parameters: Control application behavior based on deployment
- Enable Feature Flags: Toggle application features on or off
Best Practices
Security Considerations
- Use Descriptive Names: Make variable purposes clear through naming
Configuration Management
- Group Related Variables: Use prefixes to organize related configuration
DB_
, SMTP_)
- Provide Defaults: Have sensible defaults in your application when
- Validate Values: Implement validation in your application for critical