Go gRPC Greeter

This example shows how a gRPC service and client can be deployed in Choreo. The example is written in Go Language. The service is a simple greeter service that returns a greeting message. The client is a simple application deployed as a manula trigger on Choreo that calls the greeter service and prints the response.

Steps to Deploy in Choreo

Deploy the service

1. Select a project in Choreo or create a new one
2. Create a new service and give it a name
3. Select following for the server component
   • Repository name: Your forked sample apps reposiotory
   • branch: main
   • Build Preset: Dockerfile
   • Dockerfile path: go/grpc/Dockerfile.server
   • Build Context: go/grpc

Deploy the client

1. Create a manual trigger component on the same project 2 Select following for the client component
   • Repository name: Your forked sample apps reposiotory
   • branch: main
   • Build Preset: Dockerfile
   • Dockerfile path: go/grpc/Dockerfile.client
   • Build Context: go/grpc
2. Once created, navigate to the deploy view and add the following environment variable
   • GREETER_SERVICE: < gRPC service url without the http:// part >
3. Deploy the client component
4. Once deployed, click Run Once on the environment card to run the client
5. Navigate to observe view to see the logs

Local Development

• Open in VSCode with devcontainers
• Run make to build server and the client
• Run make serve to run the server
• Run make client to run the client