docker-compose-template.yml

version: '3.7'
services:
    xnat-web1:
       image: xnat1:latest
       deploy:
          replicas: 1
          restart_policy:
            condition: on-failure
          placement:
            constraints: [node.role == manager]
          resources:
            limits:
              cpus: '2.5'
              memory: 3500M
       ports:
        - "8104:8104"
        - "8080:8080"
       depends_on:
         - xnat-db1
       volumes:
         # too slow 
         - "./volume/tomcat_logs1:/data/xnat/home/logs"
         - "./volume/archive1:/data/xnat/archive"
         - "./volume/scripts1:/data/xnat/scripts"
         - "/var/run/docker.sock:/var/run/docker.sock"
         - "@IMPORT_DATA_FOLDER@:/data/xnat/import_data"
         #WINX- ./volume/postgres-data1:/pg_backup  
#       networks:    
#         - backend
    xnat-db1:
       image: postgres-xnat:latest
       deploy:
          replicas: 1
          restart_policy:
            condition: on-failure     
          placement:
            constraints: [node.role == manager]
          resources:
            limits:
              cpus: '1'
              memory: 1000M 
       environment:
         POSTGRES_USER: @PG_USER@
         POSTGRES_PASSWORD: @PG_PWD@
         POSTGRES_DB: xnat
       command: postgres -c config_file=/etc/postgresql.conf
       volumes:
        - ./postgres/postgresql.conf:/etc/postgresql.conf
        #LINUX - use original....
        #LINX- ./volume/postgres-data1:/var/lib/postgresql/data
    xnat-web2:
       image: xnat2:latest
       deploy:
          replicas: 1   
          restart_policy:
            condition: on-failure
          placement:
            constraints: [node.role == manager]      
          resources:
            limits:
              cpus: '0.9'
              memory: 2000M
       depends_on:
         - xnat-db2
       volumes:
         # too slow 
         - "./volume/tomcat_logs2:/data/xnat/home/logs"
         - "./volume/archive2:/data/xnat/archive"
         - "./volume/scripts2:/data/xnat/scripts"
         - "/var/run/docker.sock:/var/run/docker.sock"
         #WINX- ./volume/postgres-data2:/pg_backup  
#       networks:    
#         - backend
    xnat-db2:
       image: postgres-xnat:latest
       deploy:
          replicas: 1
          restart_policy:
            condition: on-failure     
          placement:
            constraints: [node.role == manager]
          resources:
            limits:
              cpus: '0.5'
              memory: 900M
       environment:
         POSTGRES_USER: @PG_USER@
         POSTGRES_PASSWORD: @PG_PWD@
         POSTGRES_DB: xnat
       command: postgres -c config_file=/etc/postgresql.conf
       volumes:
        # default :consistent, so postgres identical on host and container
        - ./postgres/postgresql.conf:/etc/postgresql.conf
        #LINUX - use original....
        #LINX- ./volume/postgres-data2:/var/lib/postgresql/data

    xnat-nginx1:
       image: nginx-xnat1:latest
       deploy:
          replicas: 1
          resources:
            limits:
              cpus: "0.1"
              memory: 100M
          restart_policy:
            condition: on-failure
       volumes:
        - "./volume/certificates:/etc/ssl"
        - "./volume/nginx_logs:/var/log/nginx"
       ports:
        - "80:80"
        - "8082:8082"
        - "443:443"
        - "444:444"
       depends_on:
        - xnat-web1
        - xnat-web2