Booking Microservices: event-sourced flight-booking backend

A reference flight-booking backend split across five .NET services using event sourcing, durable messaging, CQRS, multiple databases, gRPC, and observability.

From Github AwesomeGitHub Trending Weekly #48: pr-lens, bankmcp, niubigeo, i-have-adhd, bot-crossing, Spun, Flectar at 06:43

Problem: Simple CRUD examples do not demonstrate durable events, distributed consistency, read/write separation, or operational observability.

For: Organizations building complex booking systems or learning production-style microservice architecture.

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