version: '3.8'

services:
#Use postgres/example user/password credentials
#container which contains the databank and its entries
  db:
    container_name: pg_container_test_vimes
    image: postgres
    restart: always
    logging:                                          
      driver: json-file
      options:
        max-size: 10m
        max-file: "3"
    environment:
      POSTGRES_USER: root
      POSTGRES_PASSWORD: root
      POSTGRES_DB: test_db_vimes
    ports:
      - "5432:5432"


#pg admin can display the databank entries in a browser
#   pg_admin:
#     container_name: pgadmin4_container_test_vimes
#    image: dpage/pgadmin4
#    restart: always
#    environment:
#      PGADMIN_DEFAULT_EMAIL: admin@admin.com            #somehow can not change those
#      PGADMIN_DEFAULT_PASSWORD: root
#    ports:
#      - "5050:80"


#MAIN controller for whole program
  py_app_main:                                            #container called pyApp
    container_name: pyapp_main_test_vimes                               
    build:                                        #build it with
      context: .                                   #either a path to a directory containing a Dockerfile, or a url to a git repository.
      dockerfile: ./pyDockerfile            #path to the Dockerfile
                                                #somehow need ./ so that Vimes uses the same dir as path
    command: python main.py --init                     #the command which is done
    logging:                                          #build a log file of the terminal output in /var/lib/docker/containers/[container-id]/[container-id]-json.log
      driver: json-file
      options:
        max-size: 10m
        max-file: "3"
    ports: 
      - 3000:5432
    volumes:
      - personsNames:/var/lib/data               #acceses the volume "personsNames" with its path "/var/lib/data"
      



#container which extracts all data from Dobby using selenium
  py_extract_dobby:                                            
    container_name: py_extract_dobby_test_vimes                               
    build:                                        
      context: .                                   
      dockerfile: ./pyDockerfile                      #dockerfile with python image installing the required packages  
    logging:                                          
      driver: json-file
      options:
        max-size: 10m
        max-file: "3"
    command: python extractDobby.py                     
    ports: 
      - 6666:4444
    volumes:
      - personsNames:/var/lib/data                    #saves all names at crossnative in a volume
      - "/data:/var/lib/data"                #can save it in host, therefore use hostpath:conatainerpath => this is a mount, not a volume   
                                              #for now mount it to /data on the host machine, but maybe somewhere else later
      


#just contains the selenium webbrowser so other containers can use it
  selenium_browser:                                            
    container_name: sel_browser_test_vimes
    image: selenium/standalone-chrome:4.10.0-20230607  
    restart: unless-stopped   
    logging:                                          
      driver: json-file
      options:
        max-size: 10m
        max-file: "3"
    shm_size: '2gb'                                    #size of shared memory, made it much bigger, so that the tab will not crash                     
    ports: 
      - 4444:4444




volumes: 
  personsNames:                            #build a volume called "my-volume"