Pihole database is a mess in self-created Docker image

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Also, you are using docker-compose, much better off using the standard docker images for each service and running many services.

I would do something like this:


version: '3.8'

services:
  pihole:
    image: pihole/pihole:latest
    container_name: pihole
    environment:
      TZ: 'America/New_York' # Set your timezone
      WEBPASSWORD: 'securepassword' # Set a secure password for Pi-hole
    ports:
      - "53:53/tcp"
      - "53:53/udp"
      - "80:80" # Web admin interface
    volumes:
      - pihole_data:/etc/pihole
      - dnsmasq_data:/etc/dnsmasq.d
    restart: unless-stopped
    depends_on:
      - unbound
    networks:
      pihole_net:
        ipv4_address: 192.168.1.2

  unbound:
    image: mvance/unbound:latest
    container_name: unbound
    ports:
      - "5335:53/udp" # Local Unbound DNS resolution
    volumes:
      - unbound_data:/opt/unbound/etc/unbound
    restart: unless-stopped
    networks:
      pihole_net:
        ipv4_address: 192.168.1.3

  keepalived:
    image: osixia/keepalived:latest
    container_name: keepalived
    environment:
      KEEPALIVED_UNICAST_PEERS: '#PYTHON2BASH:["192.168.1.2","192.168.1.3"]' # Adjust peer IPs
      KEEPALIVED_ROUTER_ID: '42'
      KEEPALIVED_PASSWORD: 'securepassword'
    volumes:
      - keepalived_data:/container/service/keepalived/assets
    restart: unless-stopped
    networks:
      pihole_net:
        ipv4_address: 192.168.1.4

volumes:
  pihole_data:
  dnsmasq_data:
  unbound_data:
  keepalived_data:

networks:
  pihole_net:
    driver: bridge
    ipam:
      config:
        - subnet: 192.168.1.0/24

This is not tested. May not work, May not serve your needs. Could harass your cat. Your mileage may vary.

Let me know if you have questions.