Could you explain the key features and structure of microservices architecture?

Microservice architecture is an approach to building applications as a set of small, independent services, each responsible for its own business function.

Main features:

• Modularity: Each microservice implements a separate function and can be developed, deployed, and scaled independently.
• Technology independence: Services can be written in different languages and use different technologies.
• Communication via API: Interaction between microservices occurs through well-defined interfaces, most often HTTP REST or gRPC.
• Decentralized data management: Each service manages its own database.
• Resilience: Failure of one service does not lead to the collapse of the entire system.

Structure:

• Multiple small services
• API Gateway for request routing
• Orchestration and monitoring system
• Authentication and authorization mechanisms

This approach facilitates scaling and updating the system but requires thoughtful organization of interaction and service management.