Keycloak

# Generated by ComposeHub (composehub.dev)
name: keycloak
services:
  keycloak:
    image: quay.io/keycloak/keycloak:26
    restart: always
    command:
      - start
    ports:
      - 8080:8080
    environment:
      KC_DB: postgres
      KC_DB_URL_HOST: postgres
      KC_DB_URL_PORT: "5432"
      KC_DB_URL_DATABASE: ${POSTGRES_DB:-keycloak}
      KC_DB_USERNAME: ${POSTGRES_USER:-keycloak}
      KC_DB_PASSWORD: ${POSTGRES_PASSWORD:-changeme}
      KC_HOSTNAME: ${KC_HOSTNAME:-localhost}
      KC_HOSTNAME_STRICT: ${KC_HOSTNAME_STRICT:-false}
      KC_HTTP_ENABLED: ${KC_HTTP_ENABLED:-true}
      KC_PROXY_HEADERS: ${KC_PROXY_HEADERS:-xforwarded}
      KEYCLOAK_ADMIN: ${KEYCLOAK_ADMIN:-admin}
      KEYCLOAK_ADMIN_PASSWORD: ${KEYCLOAK_ADMIN_PASSWORD:-changeme}
      KC_HEALTH_ENABLED: "true"
      KC_METRICS_ENABLED: ${KC_METRICS_ENABLED:-false}
    networks:
      - keycloak
    depends_on:
      postgres:
        condition: service_healthy
    healthcheck:
      test:
        - CMD-SHELL
        - >-
          exec 3<>/dev/tcp/localhost/9000; echo -e "GET /health/ready HTTP/1.1\r\nhost: localhost\r\nConnection:
          close\r\n\r\n" >&3; timeout 1 cat <&3 | grep -q 200
      interval: 30s
      timeout: 10s
      retries: 5
      start_period: 90s
    deploy:
      resources:
        limits:
          cpus: "2.00"
          memory: 1536M
        reservations:
          cpus: "0.50"
          memory: 512M
    labels:
      com.composehub.description: Keycloak identity and access management server
  postgres:
    image: postgres:16-alpine
    restart: always
    volumes:
      - keycloak_db:/var/lib/postgresql/data
    environment:
      POSTGRES_DB: ${POSTGRES_DB:-keycloak}
      POSTGRES_USER: ${POSTGRES_USER:-keycloak}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-changeme}
    networks:
      - keycloak
    healthcheck:
      test:
        - CMD-SHELL
        - pg_isready -U ${POSTGRES_USER:-keycloak} -d ${POSTGRES_DB:-keycloak}
      interval: 5s
      timeout: 5s
      retries: 10
      start_period: 30s
    deploy:
      resources:
        limits:
          cpus: "1.00"
          memory: 512M
        reservations:
          cpus: "0.25"
          memory: 128M
    labels:
      com.composehub.description: PostgreSQL 16 database for Keycloak
networks:
  keycloak:
    driver: bridge
volumes:
  keycloak_db:
    driver: local