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thangchung/go-coffeeshop
Go☕ A practical event-driven microservices demo built with Golang. Nomad, Consul Connect, Vault, and Terraform for deployment
clean-architectureecho-frameworkgolanggrpc-gatewaymicroservicesdddpostgresqlrabbitmqalpinejsconsul-connectnomadterraform
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ArtefactsGo Modules
go get github.com/thangchung/go-coffeeshopREADME
go-coffeeshop
An event-driven microservices coffee shop application has been written in Golang and deployed using Nomad, Consul Connect, Vault, and Terraform.
Other versions in .NET/C# can be found at:
Technical stack
- Backend building blocks
- grpc-ecosystem/grpc-gateway/v2
- labstack/echo/v4
- rabbitmq/amqp091-go
- kyleconroy/sqlc
- golang-migrate/migrate/v4
- Utils
- google/wire
- ilyakaznacheev/cleanenv
- golang.org/x/exp/slog
- samber/lo
- automaxprocs/maxprocs
- stretchr/testify
- golang/glog
- google/uuid
- google.golang.org/genproto
- google.golang.org/grpc
- google.golang.org/protobuf
- Infrastructure
- Postgres, RabbitMQ
- Hashicorp Nomad, Consul (Connect), Vault, Terraform
- docker and docker-compose
- devcontainer for reproducible development environment
CoffeeShop - Choreography Saga
Services
| No. | Service | URI |
|---|---|---|
| 1 | grpc-gateway | http://localhost:5000 |
| 2 | product service | http://localhost:5001 |
| 3 | counter service | http://localhost:5002 |
| 4 | barista service | worker only |
| 5 | kitchen service | worker only |
| 6 | web | http://localhost:8888 |
Starting project
Jump into .devcontainer, then
> make docker-compose
From vscode => Press F1 => Type Simple Browser View => Choose it and enter http://localhost:8888.
Enjoy!!!
Screenshots
Home screen

Payment screen

Order list screen

HashiCorp stack deployment
The details of how to run it can be find at deployment with Nomad, Consult Connect and Vault.
Development
Clean Domain-driven Design
Generate dependency injection instances with wire
> make wire
Generate code with sqlc
> make sqlc
Debug Apps
Trouble shooting
Development project trouble shooting
Roadmap
- ✅ Enhance project structure with DDD patterns
- Add testing
- Add and integrate with observability libs and tools
- Add user identity management (authentication and authorization)
- Add resiliency
Credits
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