go_sample_microservice

Simple Cache Go microservice

This is a simple Microservice which will provide top commodity (Iron, Gold, Platinium and silver). Gorilla is used as web toolkit, It makes use of go-cache to store the data in cache-memory, scribble is used as database, Any update in the database Apache Kafaka will notify so that cache will be updated automatically.

Packages

• gorilla : A Web Toolkit.
• Sarama : Go client library for Apache Kafka.
• scribble : A tiny JSON database in Golang.
• go-cache : An in-memory key:value store.
• Swagger : An API documentation toolkit

Usage

• Clone the Repo

git clone https://github.com/akshayvijapur/Go_sample_microservice.git

• Go to the repo directory

cd Go_sample_microservice/

• perform docker compose up

docker-compose up -d

• Initialize the Cache by calling to InitializeCommand REST API

curl -X POST http://localhost:3000/api/v1/InitializeCommodity

• Now Cache will be updated with Commodity data from DB.

• Get the Latest Commodity by calling GetCommodity REST API

curl http://localhost:3000/api/v1/GetCommodity

• As DB is being updated with new Commodity data after every 10 seconds, Kafka will notify the receiver which in turns will update the cache.