version: "3" services: reg-app: image: cybersimon/reg-app ports: - "8080:8080" - "8443:8443" - "9990:9990" environment: - DB_HOST=postgres - DB_PORT=5432 - DB_NAME=regapp-demo - DB_USER=regapp-demo - DB_PASS=regapp-demo1234 - JAVA_OPTS=-Xmx2G depends_on: - postgres postgres: image: postgres:13 ports: - "5432:5432" environment: - LC_ALL=C.UTF-8 - POSTGRES_DB=regapp-demo - POSTGRES_USER=regapp-demo - POSTGRES_PASSWORD=regapp-demo1234 - POSTGRES_PORT=5432 volumes: - pgdata:/var/lib/postgresql/data volumes: pgdata: