coolify/templates/compose/keycloak-with-postgres.yaml

# documentation: https://www.keycloak.org
# slogan: Keycloak is an open-source Identity and Access Management tool.
# category: auth
# tags: keycloak,identity,access,management,iam,authentication,authorization,security,oauth2,openid-connect,sso,single-sign-on,saml,rbac,ldap,jwt,social-login
# logo: svgs/keycloak.svg
# port: 8080

services:
  keycloak:
    image: quay.io/keycloak/keycloak:26.1
    command:
      - start
    environment:
      - SERVICE_URL_KEYCLOAK_8080
      - TZ=${TIMEZONE:-UTC}
      - KC_BOOTSTRAP_ADMIN_USERNAME=${SERVICE_USER_ADMIN}
      - KC_BOOTSTRAP_ADMIN_PASSWORD=${SERVICE_PASSWORD_ADMIN}
      - KC_DB=postgres
      - KC_DB_USERNAME=${SERVICE_USER_DATABASE}
      - KC_DB_PASSWORD=${SERVICE_PASSWORD_64_DATABASE}
      - KC_DB_URL_PORT=5432
      - KC_DB_URL=jdbc:postgresql://postgres/${POSTGRESQL_DATABASE:-keycloak}
      - KC_HOSTNAME=${SERVICE_URL_KEYCLOAK}
      - KC_HTTP_ENABLED=${KC_HTTP_ENABLED:-true}
      - KC_HEALTH_ENABLED=${KC_HEALTH_ENABLED:-true}
      - KC_PROXY_HEADERS=${KC_PROXY_HEADERS:-xforwarded}
    volumes:
      - keycloak-data:/opt/keycloak/data
    depends_on:
      postgres:
        condition: service_healthy
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "exec 3<>/dev/tcp/127.0.0.1/9000; echo -e 'GET /health/ready HTTP/1.1\r\nHost: localhost:9000\r\nConnection: close\r\n\r\n' >&3;cat <&3 | grep -q '\"status\": \"UP\"' && exit 0 || exit 1",
        ]
      interval: 5s
      timeout: 20s
      retries: 10
  postgres:
    image: postgres:16-alpine
    volumes:
      - keycloak-postgresql-data:/var/lib/postgresql/data
    environment:
      - POSTGRES_USER=${SERVICE_USER_DATABASE}
      - POSTGRES_PASSWORD=${SERVICE_PASSWORD_64_DATABASE}
      - POSTGRES_DB=${POSTGRESQL_DATABASE:-keycloak}
    healthcheck:
      test:
        - CMD-SHELL
        - pg_isready -U $${POSTGRES_USER} -d $${POSTGRES_DB}
      interval: 5s
      timeout: 20s
      retries: 10