Nginx Proxy Manager Docker Compose YAML file

This Docker Compose file is for the Udemy Course on Software Containerization with Docker

version: "3"
services:
  app:
    image: "jc21/nginx-proxy-manager:latest"
    restart: unless-stopped
    ports:
      - "80:80"
      - "81:81"
      - "443:443"
    volumes:
      - ./data:/data
      - ./letsencrypt:/etc/letsencrypt
    networks:
      customnetwork:
        ipv4_address: 172.20.0.10
networks:
  customnetwork:
    ipam:
      config:
        - subnet: 172.20.0.0/24

docker compose, dockerfile