Golang Fibonacci REST API

A HTTP service with a single endpoint that calculates n-th fibonacci sequence (1, 1, 2, 3, 5, 8, 13 ...) number.

Run the solution

go run main.go

It should show something like:

ApiServer started at http port 8000

Container

• Docker

Build Steps

1. First we need to build the docker image for running the application

docker build . -t golang-fibonacc-rest-api

2. After the image has been built correctly we can proceed to run it as follows

docker run -p 8000:8000 golang-fibonacc-rest-api

Run the solution

The server will be running on http://localhost:8000 it should behave like this:

> curl http://localhost:8000/fib?n=1
1

> curl http://localhost:8000/fib?n=10
55

> curl http://localhost:8000/fib?n=72
498454011879264

Tag image

docker tag golang-fibonacc-rest-api thiagodevel/go-fib:0.0.1

Update Dockerhub

docker push thiagodevel/go-fib:0.0.1

Container Deploy to Kubernetes

kubectl apply -f fib.yaml

Testing the service On Kubernetes

kubectl get service

Testing the Kubernetes Service on localserver (using minikube)

minikube service go-fib-service --url