gRPC Event stream

Event stream based Go microservice project using Nats JetStream, PostgresSQL & gRPC. Exhibit project to show case usage of cloud native ecosystem & tools.

Prerequisites

• Golang 1.19+
• Docker 20+ (compose extension)
• Protoc compiler 3.8+

Running

• Clone project & fetch go dependency

  go mod download
  

• Compile event protocol buffer file & gen gRPC code

  make proto
  

• Run the PSQL & Nats using docker

  docker compose pull
  docker compose up -d
  

• Run DB migrations create tables.

  migrate -database ${POSTGRESQL_URL} -path migrations up
  

• Run all the microservices in seprate shell

  go run cmd/order-svc/main.go
  go run cmd/payment-svc/main.go
  

• Run sample client event flow

  go run cmd/client/main.go