Docker Compose for home server

gistfile1.txt

version: "3"
services:
  pihole:
    container_name: pihole
    image: pihole/pihole:latest
    ports:
      - "80:80/tcp"
      - "443:443/tcp"
      - "192.168.1.21:67:67/udp"
      - "192.168.1.21:53:53/udp"
      - "192.168.1.21:53:53/tcp"
    environment:
      ServerIP: "192.168.1.28"
      WEBPASSWORD: "piholesecure1"
      DNS1: "1.1.1.1"
      DNS2: "1.0.0.1"
    volumes:
      - "pihole-etc:/etc/pihole/"
      - "pihole-dnsmasq.d:/etc/dnsmasq.d/"
      - "pihole-log:/var/log/"
    network_mode: bridge 
    restart: unless-stopped


  plex:
    container_name: plex
    image: linuxserver/plex
    ports:
       - "192.168.1.21:32400:32400/tcp"     
       - "192.168.1.21:34200:32400/udp" 
       - "192.168.1.21:32469:32469/tcp"
       - "192.168.1.21:32469:32469/udp"
       - "192.168.1.21:5353:5353/udp"
       - "192.168.1.21:1900:1900/udp"
    environment:
      uid: 1000
      gid: 1000
      groups: 1000
      VERSION: latest
      TZ: America/Chicago
    volumes:
      - "/nyu/plex/config:/config"
      - "/nyu/videos/tv:/data/tv"
      - "/nyu/videos/movies:/data/movies"
    network_mode: host
    restart: unless-stopped


  samba:
    container_name: samba
    image: dperson/samba:latest
    environment:
      - USERID=1000
      - GROUPID=1000
    ports:
      - "139:139/tcp"
      - "445:445/tcp"
      - "137:137/udp"
      - "138:138/udp"
      - "139:139/udp"
    volumes:
      - "/nyu/videos:/mnt/videos:ro"
      - "/nyu/samba_shares/windows:/mnt/windows:ro"
      - "/nyu/games:/mnt/games:ro"
    command: -s "videos;/mnt/videos" -s "windows;/mnt/windows" -s "games;/mnt/games" -n -S
    network_mode: host
    restart: unless-stopped


volumes:
  pihole-etc:
  pihole-dnsmasq.d:
  pihole-log:


networks:
  private:

  vlan:
    driver: macvlan
    driver_opts:
      parent: enp8s0
    ipam:
      config:
        - subnet: 192.168.1.0/24

gistfile2.txt

On Ubuntu for pihole to work:
Add the following to /etc/systemd/resolved.conf 
nameserver=127.0.0.1
DNSStubListener=no