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☕ A practical event-driven microservices demo built with Golang. Nomad, Consul Connect, Vault, and Terraform for deployment

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Sides Coffeeshop

  1. Make sure port 5432 is available (and all the other ports: 5672, 15672, 5000, 5001, 5002, 8888):
    • sudo lsof -i :5432
  2. Run: docker-compose up -d
  3. In order to use the webgui, Use: http://localhost:8888
    • Also, your browser needs to be able to access port 5000 (for the API)
    • To forward port: socat TCP-LISTEN:2345,fork,reuseaddr TCP:localhost:8888 (LISTEN=host's, 8888=guest)

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

CoffeeShop - Choreography Saga

coffeeshop

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

home_screen

Payment screen

payment_screen

Order list screen

order_list_screen

HashiCorp stack deployment

coffeeshop_hashicorp

The details of how to run it can be find at deployment with Nomad, Consult Connect and Vault.

Development

Clean Domain-driven Design

clean_ddd

Generate dependency injection instances with wire

> make wire

Generate code with sqlc

> make sqlc

Debug Apps

Debug golang app in monorepo

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

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About

☕ A practical event-driven microservices demo built with Golang. Nomad, Consul Connect, Vault, and Terraform for deployment

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Languages

  • Go 58.6%
  • HTML 22.4%
  • HCL 8.3%
  • JavaScript 3.9%
  • CSS 3.6%
  • Shell 1.8%
  • Makefile 1.4%