docker-compose.yml

version: "3.5"

services :
  webapp1:
       container_name: ${WEBAPP_1_NAME}
       build:
         context: ./webapp
         dockerfile: Dockerfile
       networks:
         heig:
           ipv4_address: ${WEBAPP_1_IP}
       ports:
         - "4000:3000"
       environment:
            - TAG=${WEBAPP_1_NAME}
            - SERVER_IP=${WEBAPP_1_IP}

  webapp2:
       container_name: ${WEBAPP_2_NAME}
       build:
         context: ./webapp
         dockerfile: Dockerfile
       networks:
         heig:
           ipv4_address: ${WEBAPP_2_IP}
       ports:
         - "4001:3000"
       environment:
            - TAG=${WEBAPP_2_NAME}
            - SERVER_IP=${WEBAPP_2_IP}
            
  webapp3:
       container_name: ${WEBAPP_3_NAME}
       build:
         context: ./webapp
         dockerfile: Dockerfile
       networks:
         heig:
           ipv4_address: ${WEBAPP_3_IP}
       ports:
         - "4002:3000"
       environment:
            - TAG=${WEBAPP_3_NAME}
            - SERVER_IP=${WEBAPP_3_IP}

  haproxy:
       container_name: ha
       build:
         context: ./ha
         dockerfile: Dockerfile
       ports:
         - 80:80
         - 1936:1936
         - 9999:9999
       expose:
         - 80
         - 1936
         - 9999
       networks:
         heig:
           ipv4_address: ${HA_PROXY_IP}
       environment:
            - WEBAPP_1_IP=${WEBAPP_1_IP}
            - WEBAPP_2_IP=${WEBAPP_2_IP}
networks:
    heig:
        name: heig
        driver: bridge
        ipam:
            driver: default
            config:
                - subnet: ${NETWORK_SUBNET}