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Goal To perform a blue‑green deployment of a small Ktor 2.3.0 application without exposing clients to 503 errors, relying on the built‑in graceful shutdown mechanism that stops accepting new requests while draining in‑flight traffic. Constraints The application must be started with start(wait = false) so that a shutdown hook can invoke server.stop() . The lo
Goal: Achieve zero‑downtime migration of a small NestJS 9 application that uses the Express adapter and @nestjs/websockets by enabling graceful shutdown hooks so that in‑flight HTTP requests finish before the process exits. Uncertainty: While app.enableShutdownHooks() guarantees that HTTP handlers complete, it is unclear whether the same mechanism reliably t
Goal is to migrate a small Go HTTP service without dropping in-flight requests. The design relies on http.Server.Shutdown to stop accepting new connections while allowing existing handlers to finish, supporting a zero-downtime hand-off. Constraints involve the shutdown signal timing, the boundary for long-running handlers, and behavior with TLS connections.
nestjs
goland
ktor