AppConfig¶

Overview¶

AWS AppConfig is a dynamic configuration management service that enables you to deploy configuration changes to applications quickly, safely, and independently of code deployments.

Key Features¶

Dynamic Configuration Management¶

Deploy configuration changes without application restarts
Supports various use cases:
Feature flags
Application tuning
Allow/block listing
Dynamic parameter adjustments

Broad Platform Support¶

Compatible with multiple AWS compute services: * EC2 instances * AWS Lambda * Amazon ECS * Amazon EKS

Safe Deployment¶

Gradual configuration rollout
Built-in rollback mechanisms
Prevents widespread issues from configuration changes

Configuration Validation¶

Two validation methods: 1. JSON Schema Validation * Performs syntactic checks * Ensures configuration structure meets defined requirements 2. Lambda Function Validation * Enables custom semantic checks * Allows running complex validation logic via custom code

Benefits¶

Reduce deployment risks
Enable dynamic application tuning
Separate configuration management from code deployments
Provide fine-grained control over configuration changes