Interatively Migtrating an HTTP Svc to Go
summary
Shows an iterative migration from an HTTP Node service to gRPC using gRPC-gateway and a standard-library httputil ReverseProxy that proxies only unimplemented routes. The gRPC runtime error handler checks for NotFound/MethodNotAllowed, proxies matching requests to the legacy server, and returns implemented RPCs directly after protobuf codegen. Demo uses Node on port 8000 and Go on 9000; POSTs proxy until the new protobuf endpoint is added, then serve locally.
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chapters (6)
- 0:00Introduction
- 0:28Benefits of gRPC gateway
- 1:56Migration strategies
- 3:29Implementing proxying
- 4:02Migration demo
- 6:19Conclusion
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