Setup pi-hole DNS to 127.0.0.1

docker-compose.yml

version: "3"

services:
  pihole:
    container_name: pihole
    image: pihole/pihole:latest
    ports:
      - "127.0.0.1:53:53/tcp"
      - "127.0.0.1:53:53/udp"
      - "127.0.0.1:80:80/tcp"
      - "127.0.0.1:443:443/tcp"
    environment:
      TZ: 'America/Chicago'
      DNS1: 1.1.1.1
      DNS2: 1.0.0.1
      
    volumes:
      - './etc-pihole/:/etc/pihole/'
      - './etc-dnsmasq.d/:/etc/dnsmasq.d/'
    dns:
      - 127.0.0.1
      - 1.1.1.1
    cap_add:
      - NET_ADMIN
    restart: unless-stopped