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Configuration
Configuration Resource
Use ConfigMaps to decouple configuration from application code
Intent & Description
The Configuration Resource pattern uses ConfigMaps to decouple configuration from application code. ConfigMaps can store configuration data as key-value pairs, which can be mounted as files or injected as environment variables. This enables configuration changes without rebuilding images and supports different configurations for different environments.
Real-world Use Case
Use when you want to externalize configuration or when you need to manage configuration separately from application code.
Source
Advantages
- Decouples configuration from code
- Supports different environments
- Can be mounted as files or env vars
- Version control friendly
Disadvantages
- Requires application changes to use
- Limited size per ConfigMap
- Need to manage ConfigMap lifecycle