grpcweb-proxy - an integration and test suite for grpcweb and caddy

Tech used

Backend

• Protobuf
• Go server and client

Frontend

• Protobuf
• Yarn 1.x
• Vite
• TypeScript
• Vanilla web page

Dependencies

• Node 18x from here
• Install Yarn 1.x from here
• Install Protobuf Compiler For Linux/Mac from here

Tech Stack

• node -v
  v18.6.0
• yarn -v
  1.22.19
• go version
  go version go1.18.4 linux/amd64

Usage

0. Install yarn dependencies: cd front && yarn
1. Generate protobuf defs for backend: make genback
2. Generate protobuf defs for frontend: make genfront
3. Run a backend service: make runserver
4. Validate GRPC server availability using a direct GRPC link (no proxy): make runclient
5. Optional: run caddy: caddy start
6. Run envoy proxy: make runproxy
7. Start the Web Browser: make runfront
8. Open a web Browser with the proper address e.g. localhost:5137, press F12 to open a console and watch the network calls