Messaging Service Apps

Messaging service is used by created simple message and retrieve message implementation.

Cases

1. User Post a massage use API
2. Message will be store in database
3. Message status should be sent if message success in publish to kafka.
4. Message status should be received if message success to consumed with consumer_message.

• Note: I use delay in 5 second in consumer to be update status message received for proof.

Quick Start

Technology Use

• Database Mysql (MariaDB)
• Kafka (for data streaming)

Installation Required

Install Golang

I use go version for service compatible go1.12.5 darwin/amd64

Install Docker

I Use Docker for deployment my apps and integration app. Docker is very simple for running this app.

So please install docker into your PC https://docs.docker.com/install

Install Kafka and Run

This service using kafka for event streaming. Prepare install please check this link https://kafka.apache.org/quickstart

Deploy and run

The firs you must extract this file into your workspace project.

How To run :

Run Mysql
$ docker-compose -f docker-compose-mysql up   

Run Kafka 

Download dependecies 
$ go mod download

Run Http Server
$ go run main.go http
 
Run Consumer message
$ go run main.go consumer

Documentation

This service has documentation following swagger for your try. So please se file in path ./api/api_spech.yaml.

Unit Test and Mock

To run unit test for the project :

$ go test $(go list ./... | grep -v /vendor/) -cover

Code Style

In golang they already define the convention style https://golang.org/doc/effective_go.html