version: '2.4'                                                                                                                                                                                                                                                                                                       
                                                                                                                                                                                                                                                                                                                     
services:                                                                                                                                                                                                                                                                                                            
                                                                                                                                                                                                                                                                                                                     
    flowable-ui-app:                                                                                                                                                                                                                                                                                                 
        image: flowable/flowable-ui:latest                                                                                                                                                                                                                                                                           
        container_name: flowable-ui-app                                                                                                                                                                                                                                                                              
        hostname: flowable-ui-app                                                                                                                                                                                                                                                                                    
        depends_on:                                                                                                                                                                                                                                                                                                  
            - flowable-ui-postgres                                                                                                                                                                                                                                                                                   
        environment:                                                                                                                                                                                                                                                                                                 
            - SERVER_PORT=8080                                                                                                                                                                                                                                                                                       
            - SPRING_DATASOURCE_DRIVER-CLASS-NAME=org.postgresql.Driver                                                                                                                                                                                                                                              
            - SPRING_DATASOURCE_URL=jdbc:postgresql://flowable-ui-postgres:5432/flowable                                                                                                                                                                                                                             
            - SPRING_DATASOURCE_USERNAME=flowable                                                                                                                                                                                                                                                                    
            - SPRING_DATASOURCE_PASSWORD=flowable                                                                                                                                                                                                                                                                    
            - FLOWABLE_COMMON_APP_IDM-ADMIN_USER=admin                                                                                                                                                                                                                                                               
        cpus: 2                                                                                                                                                                                                                                                                                                      
        mem_limit: 4G                                                                                                                                                                                                                                                                                                
        networks:                                                                                                                                                                                                                                                                                                    
          - flowable                                                                                                                                                                                                                                                                                                 
          - traefik                                                                                                                                                                                                                                                                                                  
# I added the last argument based on this hint from their forum:                                                                                                                                                                                                                                                     
# https://forum.flowable.org/t/trying-out-flowable-ui-behind-reverse-proxy-need-help/9976                                                                                                                                                                                                                            
        entrypoint: ["./wait-for-something.sh", "flowable-ui-postgres", "5432", "PostgreSQL", "/flowable-entrypoint.sh", "--server.servlet.context-path=/"]                                                                                                                                                          
        labels:                                                                                                                                                                                                                                                                                                      
          - "traefik.enable=true"                                                                                                                                                                                                                                                                                    
          - "traefik.docker.network=traefik"                                                                                                                                                                                                                                                                         
          - "traefik.http.routers.flowable.tls=true"                                                                                                                                                                                                                                                                 
          - "traefik.http.routers.flowable.entrypoints=websecure"                                                                                                                                                                                                                                                    
          - "traefik.http.routers.flowable.rule=Host(`flowable.mydomain.tld`)"                                                                                                                                                                                                                                           
          - "traefik.http.routers.flowable.middlewares=secHeaders@file,localIPsOnly@file"                                                                                                                                                                                                                            
          - "traefik.http.services.flowable.loadbalancer.server.port=8080"                                                                                                                                                                                                                                           
          - "traefik.http.routers.flowable.service=flowable"                                                                                                                                                                                                                                                         
                                                                                                                                                                                                                                                                                                                     
    flowable-ui-postgres:                                                                                                                                                                                                                                                                                            
        image: postgres:9.6-alpine                                                                                                                                                                                                                                                                                   
        container_name: flowable-ui-postgres                                                                                                                                                                                                                                                                         
        hostname: flowable-ui-postgres                                                                                                                                                                                                                                                                               
        environment:                                                                                                                                                                                                                                                                                                 
            - POSTGRES_PASSWORD=flowable                                                                                                                                                                                                                                                                             
            - POSTGRES_USER=flowable                                                                                                                                                                                                                                                                                 
            - POSTGRES_DB=flowable                                                                                                                                                                                                                                                                                   
        cpus: 1                                                                                                                                                                                                                                                                                                      
        mem_limit: 2G                                                                                                                                                                                                                                                                                                
        volumes:                                                                                                                                                                                                                                                                                                     
            - ./data-postgres:/var/lib/postgresql/data                                                                                                                                                                                                                                                               
#        ports:                                                                                                                                                                                                                                                                                                       
#            - 5433:5432                                                                                                                                                                                                                                                                                              
        networks:                                                                                                                                                                                                                                                                                                    
          - flowable                                                                                                                                                                                                                                                                                                 
        command: postgres                                                                                                                                                                                                                                                                                            
                                                                                                                                                                                                                                                                                                                     
networks:                                                                                                                                                                                                                                                                                                            
  flowable:                                                                                                                                                                                                                                                                                                          
      external: true                                                                                                                                                                                                                                                                                                 
      name: flowable                                                                                                                                                                                                                                                                                                 
  traefik:                                                                                                                                                                                                                                                                                                           
      external: true                                                                                                                                                                                                                                                                                                 
      name: traefik