Rails 8 + Keycloak Integration + Docker: A Beginner’s Guide

Learn how to integrate Rails 8 with Keycloak for authentication, powered by Docker for a smooth development experience.

This guide is inspired by Rails 8 + Keycloak Integration: A Beginner’s Guide, updated for the latest Rails and Ubuntu 25.04 and now using 👌 Docker Technology 👌.

🧰 Prerequisites

✅ Ubuntu 22.04+ (tested on 25.04)
✅ Docker & Docker Compose (docker compose version)
✅ Rails 8 (rails -v)
✅ PostgreSQL client tools (psql)

Roadmap

1️⃣ Clone the project

git clone https://github.com/giljr/keycloak_docker_compose_app.git
cd keycloak_docker_compose_app

2️⃣ Follow the tutorial:

Rails 8 + Keycloak Integration + Docker: A Beginner’s Guide

Learn how to integrate Rails 8 with Keycloak for authentication, powered by Docker for a smooth development experience

Running the App

To run the app, see the keycloak_demo directory for instructions and setup.

License

MIT © [Jaythree] — brougt by Jungletronics