Setting Up API Gateway with OAuth2

Project Overview

This project involves setting up an API Gateway with OAuth2 Authentication and Authorization support using Keycloak as the OAuth2 provider.

Prerequisites

• Docker: Ensure Docker is installed on your machine.
• Java 17: Make sure Java 17 is installed on your computer.

Steps

1. Start the Keycloak OAuth2 Provider

Use Docker Compose to build and start the Keycloak OAuth2 provider. Run the following command in your terminal:

docker-compose -f keycloak-docker-compose.yml up --build

2. Generate an OAuth2 Token

To generate an OAuth2 token using Keycloak, use the following curl command. Replace the placeholders with your actual Keycloak server details, client credentials, and user information.

curl Command

curl --location 'http://localhost:8080/realms/{yourRealmName}/protocol/openid-connect/token' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-urlencode 'client_id={client_id}' \
--data-urlencode 'client_secret={client_secret}' \
--data-urlencode 'username={username}' \
--data-urlencode 'password={password}' \
--data-urlencode 'grant_type=password'