api-gateway-kong-golang

General Introduction

• This is a api gateway microservices proect
• It involves following technologies - Kong - Golang - Python

Architecture

• Users sends requests to the service which are handled by kong
• All requests involving logging in the user are directed to the golang service
• The golang service provides a jwt token
• All other requests are redirected first to golang service for authentication
• Once authenticated it is redirected to the backend service
• Golang service acts as authentication mechanism and python service acts as backend

Initial Configuration

• Add your Ip Address to gateway in config/kong.yaml

extra_hosts:
      - "host.docker.internal:<IP ADDR>"

• Set password for postgres in kong-gateway/POSTGRES_PASSWORD file

• Install python dependencies

pip3 install -r requirements.txt

• Install golang dependecies

go mod download

• Add api endpoints configuration under kong-gateway/config/kong.yaml

Running application

• Run python backend api

python3 backend/app.py

• Run golang server

go run main.go

• Run kong proxy

in kong-gateway directory
docker-compose up 

• curl commands present in curl-commands.md