commit c15ff30d154ddf03913115cbd2a7e7b13e732b5f
Author: sotiris <sotiris@laptop.vas>
Date:   Thu Apr 24 20:42:11 2025 +0300

    first commit

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+# Keycloak + HA PostgreSQL on Docker Swarm
+A **one-file stack** that launches the latest Keycloak (26.2.1) backed by a **three-node PostgreSQL 17 cluster** (Bitnami `postgresql-repmgr`).  
+The Keycloak container is totally stateless, so the scheduler can move it to any node without fuss.
+
+---
+
+## Why you might want this
+
+* **Batteries included:** automatic leader election, streaming replication & fail-over via repmgr.  
+* **Swarm-native:** overlay network, named volumes, secrets – nothing fancy required.  
+* **Zero mounts on Keycloak:** scale it horizontally or reschedule it anywhere.  
+* **Old-school transparent:** no Helm, no Operator – just plain docker-compose like Torvalds would read.
+
+---
+
+## Quick start
+
+```bash
+# 1) Fire up a Swarm (skip if you already have one)
+docker swarm init
+
+# 2) Create the required secrets (edit the values to taste)
+echo -n 'SuperSecret1' | docker secret create KC_DB_PASSWORD -
+echo -n 'kcadmin'      | docker secret create KEYCLOAK_ADMIN -
+echo -n 'AdminSecret2' | docker secret create KEYCLOAK_ADMIN_PASSWORD -
+echo -n 'RepmgrPass3'  | docker secret create REPMGR_PASSWORD -
+echo -n 'RootDbP4ss'   | docker secret create PG_SUPERUSER_PASSWORD -
+
+# 3) Deploy the stack
+docker stack deploy -c docker-compose.yml keycloak
+
+Point your browser to **`http://<any-swarm-node>:8080`** (or whatever port you expose) and log in with the `KEYCLOAK_ADMIN` creds you set above.
+
+---
+
+## Scaling
+
+```bash
+# Want three Keycloak pods?
+docker service scale keycloak_keycloak=3
+```
+
+Stick Traefik, HAProxy, or your LB of choice in front if you need sticky sessions.
+
+---
+
+## File structure
+
+```
+docker-compose.yml   # the only file you need
+README.md            # this doc
+```
+
+---
+
+## Contributing
+
+Pull requests, issues, and brutally honest code reviews are **very welcome**.  
+Got a nicer way to wire the secrets, or fancy adding CI? Have at it!
+
+---
+
+## License
+
+This project is released under the **GNU General Public License, version 2** (GPL-2.0).
+
+> “Free as in freedom, not as in free beer.”
+
+Happy hacking!