Add Keycloak

Author: Romanow

README.md

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+[![License](https://img.shields.io/github/license/Romanow/docker-compose-examples)](https://github.com/Romanow/docker-compose-exampleslist/blob/main/LICENSE)
 
 # Docker Compose examples
 
+## Common services
+
+* [Frontend](frontend/README.md)
+* [Java](java/README.md)
+* [Keycloak](keycloak/README.md)
+
+## Storages
+
+* [Postgres](postgres/README.md)
+* [Elastic](elastic/README.md)
+* [Minio](minio/README.md)
+
+## Queues
+
 * [Kafka](kafka/README.md)
 * [Artemis](artemis/README.md)
+
+## Observability
+
 * [Monitoring](monitoring/README.md)
-* [Postgres](postgres/README.md)
 * [Logging](logging/README.md)
 * [Tracing](tracing/README.md)
-* [Elastic](elastic/README.md)
-* [Minio](minio/README.md)
-* [Frontend](frontend/README.md)
-* [Java](java/README.md)

keycloak/README.md

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+# Keycloak

keycloak/docker-compose.yml

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+services:
+  postgres:
+    image: postgres:15
+    container_name: postgres
+    environment:
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: "postgres"
+      POSTGRES_DB: postgres
+    healthcheck:
+      test: [ "CMD-SHELL", "pg_isready -U $$POSTGRES_USER" ]
+      interval: 10s
+      timeout: 5s
+      retries: 5
+    volumes:
+      - postgres:/var/lib/postgresql/data
+      - ./postgres/:/docker-entrypoint-initdb.d/
+    ports:
+      - "5432:5432"
+
+  keycloak:
+    image: "bitnami/keycloak:26"
+    container_name: keycloak
+    environment:
+      KEYCLOAK_HTTP_PORT: 8100
+      KEYCLOAK_ADMIN: admin
+      KEYCLOAK_ADMIN_PASSWORD: admin
+      KEYCLOAK_DATABASE_VENDOR: postgresql
+      KEYCLOAK_DATABASE_HOST: postgres
+      KEYCLOAK_DATABASE_PORT: 5432
+      KEYCLOAK_DATABASE_NAME: keycloak
+      KEYCLOAK_DATABASE_USER: program
+      KEYCLOAK_DATABASE_PASSWORD: "test"
+      KEYCLOAK_ENABLE_HEALTH_ENDPOINTS: true
+      KEYCLOAK_EXTRA_ARGS: "-Dkeycloak.profile.feature.scripts=enabled"
+    ports:
+      - "8100:8100"
+    healthcheck:
+      test: [ "CMD", "curl", "--silent", "--fail", "http://localhost:9000/health/ready" ]
+      interval: 10s
+      timeout: 5s
+      retries: 10
+    volumes:
+      - keycloak:/bitnami/keycloak
+      - ./keycloak/:/docker-entrypoint-initdb.d/
+    depends_on:
+      postgres:
+        condition: service_healthy
+
+volumes:
+  keycloak:
+  postgres:

keycloak/keycloak/init-realm.sh

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+#!/usr/bin/env bash
+
+"$KEYCLOAK_BIN_DIR"/kc.sh import --file "$KEYCLOAK_INITSCRIPTS_DIR"/realm.json