version: "3"
services:
  web:
    image: busybox
    command: ["/bin/busybox", "httpd", "-f", "-h", "/var/www/html", "-p", "8080"]
    ports:
      - 8080:8080
    volumes:
      - ./index.txt:/var/www/html/index.html:ro,z
      - ./index.txt:/var/www/html/index2.html
      - ./index.txt:/var/www/html/index3.html:ro