nano docker-compose.yaml version: '3' services: rundeck: image: 'rundeck/rundeck:3.4.8' restart: unless-stopped environment: RUNDECK_GRAILS_URL: 'https://rundeck.domain.com' RUNDECK_SERVER_FORWARDED: 'true' RUNDECK_DATABASE_DRIVER: org.mariadb.jdbc.Driver RUNDECK_DATABASE_USERNAME: rundeck RUNDECK_DATABASE_PASSWORD: rundeck RUNDECK_DATABASE_URL: jdbc:mysql://mysql/rundeck?autoReconnect=true&useSSL=false ports: - 127.0.0.1:4440:4440 volumes: - ./data/data:/home/rundeck/server/data - ./data/projects:/home/rundeck/projects - ./data/realm.properties:/home/rundeck/server/config/realm.properties depends_on: - "mysql" mysql: image: mysql:5.7 restart: unless-stopped environment: - MYSQL_ROOT_PASSWORD=root - MYSQL_DATABASE=rundeck - MYSQL_USER=rundeck - MYSQL_PASSWORD=rundeck volumes: - ./data/db:/var/lib/mysql First you’ll want to comment out - ./data/realm.properties:/home/rundeck/server/config/realm.properties then docker exec -it rundeck_rundeck_1 cat /home/rundeck/server/config/realm.properties > .