GOLANG Mux + Postgres + RabbitMq + Cognito

Dependencies

• Docker
• Go 1.17 +
• Make

Important infos:

• This project is to do examples with mux server and generate a way to trigger the changes on DB made by api requests to a Queue that will be consumed and parsed by another project

  • https://github.com/morlfm/parser

• It was not created a Graceful shutdown just for purposes of who wants to use this project example to have a easy way to test and play arround wiht the api through postman, Curl or whatever :)

• In this example it was used postgrees databse with Cloud Based: https://www.elephantsql.com but you can use with docker or local

Environment variables (direnv)

• Create a .env file in root and add your database credentials like that:

export POSTGRES_URL="${POSTGRES_URL}"

• Or just export them before start the application

Running the project locally

• export your env appropriately accordingly to your OS.

• To start Rabbit docker

$ make rabbit-server-up

• To start mux and application:

$ make mux-server-up

• To run tests

$ make run-tests

• To remove rabbit container

$ make rabbit-server-removal

Database used to store correct data (employees)

• Postgress

To make requests:

• http://localhost:8081/api/employees
• http://localhost:8081/api/employees/{id}

Architeture and packages in golang format of

• Application where resided the logic and businees rules
• Repository to deal with Db part
• Cmd to gather and run main
• Ports is where to expose and treat the handlers
• Rabbit to publish our message
• Api-release the API documentation

Specific Bussiness rules

• PUT method only allow to update passing body: { "name" and "location"}

• Rabbit publisher its triggered every change made on database and send all over again all employees to the queue