A working keycloak/mysql docker-compose

change-transaction-default-timeout.cli

embed-server --server-config=standalone-ha.xml --std-out=echo
echo Changing transaction default timeout
/subsystem=transactions/:write-attribute(name=default-timeout,value=3600)
echo Done
stop-embedded-server

docker-compose.yaml

version: '3.8'

services:
  mysql:
    image: mysql:8.0
    container_name: mysql
    volumes:
      - mysql-data:/var/lib/mysql
    ports:
      - "3306:3306"
    environment:
      - MYSQL_DATABASE=keycloakdb
      - MYSQL_ROOT_PASSWORD=123
      - MYSQL_USER=keycloak
      - MYSQL_PASSWORD=keycloak-passwd
    healthcheck:
        test: ["CMD-SHELL", "mysqladmin ping -u root -p123 -h localhost && mysql -u root -p123 -e 'USE keycloakdb;'"]
        timeout: 30s
        retries: 10
    cap_add:
    - SYS_NICE  # CAP_SYS_NICE
    networks:
      - local

  keycloak:
    image: jboss/keycloak:10.0.2
    container_name: keycloak
    command:
      -Djboss.as.management.blocking.timeout=3600
      -Dkeycloak.profile.feature.upload_scripts=enabled
      -Dkeycloak.profile.feature.scripts=enabled
    ports:
     - "8080:8080"
    # restart: on-failure:1
    environment:
      - DB_VENDOR=MYSQL
      - DB_ADDR=mysql
      - DB_PORT=3306
      - DB_DATABASE=keycloakdb
      - DB_USER=keycloak
      - DB_PASSWORD=keycloak-passwd
      - PROXY_ADDRESS_FORWARDING=true
      - KEYCLOAK_USER=admin
      - KEYCLOAK_PASSWORD=admin-passwd
    volumes:
        - ./change-transaction-default-timeout.cli:/opt/jboss/startup-scripts/change-transaction-default-timeout.cli
    networks :
      - local
    depends_on: 
      mysql:
        condition: service_healthy


volumes:
  mysql-data: {}


networks:
  local:
    name: local