feat: drop blanket recreates, ACME-DNS knobs, notify_push override

- Drop `recreate: always` from collabora/drawio/homarr/opencloud/traefik
  handlers and the authentik_outpost_ldap start task. `up -d` with
  `state: present` already recreates exactly the services whose
  compose definition changed; the blanket recreate was forcing
  restarts even when nothing relevant moved.
- Rewrite the `*_domains` Traefik Host loop to the `Host(\`a\`) ||
  Host(\`b\`)` form across authentik/collabora/garage/nextcloud so the
  rule still matches when traefik can't normalize the comma-form into
  the same canonical shape.
- Traefik: add `traefik_acme_tcp_only` (sets LEGO_EXPERIMENTAL_DNS_TCP_ONLY)
  and `traefik_acme_disable_ans_checks` (disables lego's authoritative-NS
  propagation check) for environments where the DNS path between the
  traefik container and the zone's nameservers is constrained.
- Traefik DMZ collector: two-step merge so a `traefik_dmz_exposed_services`
  entry that sets its own `backend_host` wins over the host fallback;
  lets a route target an internal FQDN covered by the backend cert's
  SANs instead of the raw IP.
- Nextcloud: add `nextcloud_notify_push_domain` override for the
  `occ notify_push:setup` call so the setup check can hit an internal
  FQDN instead of hairpinning through the DMZ. Push router now matches
  every entry in `nextcloud_domains`.
- Nextcloud: also %2F-escape slashes in the postgres user/password
  inside the notify_push DATABASE_URL.

roles/nextcloud/defaults/main.yml

@@ -65,6 +65,12 @@ nextcloud_trusted_proxies: "172.16.0.0/12"
 # File locking and real-time push notifications
 nextcloud_enable_notify_push: false
 nextcloud_notify_push_image: "icewind1991/notify_push:1.3.1"
+# Domain used when calling `occ notify_push:setup`. Defaults to the
+# first nextcloud_domains entry (the canonical public name). Override
+# with an internal FQDN to avoid hairpinning the setup check through
+# the DMZ; the FQDN must also be in nextcloud_domains so the push
+# router matches it.
+# nextcloud_notify_push_domain: "cloud.int.example.com"
 
 # Nextcloud Talk: register external HPB signaling + TURN + STUN
 # Set to true to run tasks/talk.yml after Nextcloud is up.

roles/nextcloud/tasks/notify_push.yml

@@ -5,4 +5,4 @@
 - name: Configure notify_push base endpoint
   community.docker.docker_container_exec:
     container: "{{ nextcloud_docker_compose_dir | basename }}-nextcloud-1"
-    command: php /var/www/html/occ notify_push:setup https://{{ nextcloud_domains[0] }}/push
+    command: php /var/www/html/occ notify_push:setup https://{{ nextcloud_notify_push_domain | default(nextcloud_domains[0]) }}/push

roles/nextcloud/templates/docker-compose.yml.j2

@@ -35,7 +35,7 @@ services:
     labels:
       - traefik.enable=true
       - traefik.docker.network={{ nextcloud_traefik_network }}
-      - traefik.http.routers.{{ nextcloud_service_name }}.rule=Host({% for d in nextcloud_domains %}`{{ d }}`{% if not loop.last %}, {% endif %}{% endfor %})
+      - traefik.http.routers.{{ nextcloud_service_name }}.rule={% for d in nextcloud_domains %}Host(`{{ d }}`){% if not loop.last %} || {% endif %}{% endfor +%}
 {% if nextcloud_use_ssl %}
       - traefik.http.routers.{{ nextcloud_service_name }}.entrypoints=websecure
       - traefik.http.routers.{{ nextcloud_service_name }}.tls=true
@@ -136,7 +136,7 @@ services:
     environment:
       PORT: "7867"
       REDIS_URL: "redis://redis:6379"
-      DATABASE_URL: "postgres://{{ nextcloud_postgres_user | urlencode }}:{{ nextcloud_postgres_password | urlencode }}@db:5432/{{ nextcloud_postgres_db }}"
+      DATABASE_URL: "postgres://{{ nextcloud_postgres_user | urlencode | replace('/', '%2F') }}:{{ nextcloud_postgres_password | urlencode | replace('/', '%2F') }}@db:5432/{{ nextcloud_postgres_db }}"
       DATABASE_PREFIX: "oc_"
       NEXTCLOUD_URL: "http://nginx"
     networks:
@@ -145,7 +145,7 @@ services:
     labels:
       - traefik.enable=true
       - traefik.docker.network={{ nextcloud_traefik_network }}
-      - traefik.http.routers.{{ nextcloud_service_name }}-push.rule=Host(`{{ nextcloud_domains[0] }}`) && PathPrefix(`/push`)
+      - traefik.http.routers.{{ nextcloud_service_name }}-push.rule=({% for d in nextcloud_domains %}Host(`{{ d }}`){% if not loop.last %} || {% endif %}{% endfor %}) && PathPrefix(`/push`)
       - traefik.http.services.{{ nextcloud_service_name }}-push.loadbalancer.server.port=7867
 {% if nextcloud_use_ssl %}
       - traefik.http.routers.{{ nextcloud_service_name }}-push.entrypoints=websecure