Pihole ist nicht zu installieren über Docker

Ist sicher schon Hundert Mal gefragt worden, aber ich finde nicht die richtige Antwort leider.

Ich versuche pihole über Docker auf Ugreen Nas zu installieren. Docker Compose sieht so aus:

services:
pihole:
container_name: pihole6
image: pihole/pihole:latest
# -- For DHCP it is recommended to remove these ports and instead add: network_mode: "host"
ports:
- 53:53/tcp
- 53:53/udp
# --> Only required if you are using Pi-hole as your DHCP server
- 67:67/udp
# <--
# --> Adjust the port mapping according to the available ports on your system
- 8081:80
# - 8443:443
# -->
environment:
DNSMASQ_USER: root
TZ: Europe/Berlin
FTLCONF_webserver_api_password: 
volumes:
- /volume1/docker/pihole/etc:/etc/pihole
- /volume1/docker/pihole/dnsmasq/etc/dnsmasq.d
cap_add:
# --> Required if you are using Pi-hole as your DHCP server, else not needed
- NET_ADMIN
# <--
# --> Required on Synology and Ugreen, otherwise there will be warnings in the logs
- CAP_SYS_TIME
# <--
restart: unless-stopped

Log hiervon sieht so aus:

fromTime: all
toTime: all
level: all
operator: all
content: all

create_time	level	operator	content
2025-11-14 13:30:12	warn	AdminJulian	Project launch failed 'pihole'
2025-11-14 13:30:11	info	AdminJulian	successfull deploy project 'pihole'
2025-11-14 13:29:52	info	AdminJulian	pihole-1 container has been deleted
2025-11-14 13:28:10	info	AdminJulian	Export Logs successful
2025-11-14 13:28:01	warn	AdminJulian	Project launch failed 'pihole'
2025-11-14 13:28:01	info	AdminJulian	successfull deploy project 'pihole'
2025-11-14 13:27:45	warn	AdminJulian	Project launch failed 'pihole'
2025-11-14 13:27:45	info	AdminJulian	successfull deploy project 'pihole'
2025-11-14 13:25:37	info	AdminJulian	Delete All Docker logs

Protokoll zeigt dieses:

create_time	level	operator	content
2025-11-14 13:42:53	info	AdminJulian	Export Logs successful
2025-11-14 13:42:35	warn	AdminJulian	Project launch failed 'pihole'
2025-11-14 13:42:35	info	AdminJulian	successfull deploy project 'pihole'
2025-11-14 13:35:20	warn	AdminJulian	failfull start project 'pihole' err: Container pihole6  Starting
Error response from daemon: driver failed programming external connectivity on endpoint pihole6 (dd1eba0d62a94345da36e6de164008808139e5c04cf971068b3c3f4c3ed6930b): Error starting userland proxy: listen tcp4 0.0.0.0:53: bind: address already in use

2025-11-14 13:34:42	warn	AdminJulian	Failed to start container pihole6. Error: Error response from daemon: driver failed programming external connectivity on endpoint pihole6 (847dfd89af23e8ac134b0f8df951728407f4140d7df7ef3950d0caa5b5ee954c): Error starting userland proxy: listen tcp4 0.0.0.0:53: bind: address already in use
2025-11-14 13:32:56	info	AdminJulian	Export Logs successful
2025-11-14 13:32:44	warn	AdminJulian	Project launch failed 'pihole'
2025-11-14 13:32:44	info	AdminJulian	successfull deploy project 'pihole'
2025-11-14 13:31:57	info	AdminJulian	pihole-1 container has been deleted
2025-11-14 13:31:05	warn	AdminJulian	Failed to start container pihole-1. Error: Error response from daemon: driver failed programming external connectivity on endpoint pihole-1 (b044de6d2193c3f62b890ce69d2144cbe25c1b6741ce44b24de526fc8a49d657): Error starting userland proxy: listen tcp4 0.0.0.0:53: bind: address already in use
2025-11-14 13:30:47	warn	AdminJulian	failfull start project 'pihole' err: Container pihole-1  Starting
Error response from daemon: driver failed programming external connectivity on endpoint pihole-1 (be4a98e24d1f280756a88bf78c570630359f863bfa6d3b8a707e321bb92842aa): Error starting userland proxy: listen tcp4 0.0.0.0:53: bind: address already in use

2025-11-14 13:30:22	info	AdminJulian	Export Logs successful
2025-11-14 13:30:12	warn	AdminJulian	Project launch failed 'pihole'
2025-11-14 13:30:11	info	AdminJulian	successfull deploy project 'pihole'
2025-11-14 13:29:52	info	AdminJulian	pihole-1 container has been deleted
2025-11-14 13:28:10	info	AdminJulian	Export Logs successful
2025-11-14 13:28:01	warn	AdminJulian	Project launch failed 'pihole'
2025-11-14 13:28:01	info	AdminJulian	successfull deploy project 'pihole'
2025-11-14 13:27:45	warn	AdminJulian	Project launch failed 'pihole'
2025-11-14 13:27:45	info	AdminJulian	successfull deploy project 'pihole'
2025-11-14 13:25:37	info	AdminJulian	Delete All Docker logs

Port 53 ist belegt von irgendwas anderem. Ich habe nichts anderes laufen und finde nicht raus, was den Port blockiert.

Bitte für einen Anfänger (mich!) eine verständliche Anleitung, wie ich das reparieren kann!

Ich mache das über meinen Mac M2 mit Sequoia 15.6.1

Vielen Dank im Voraus!