Nextcloud: switch Talk to host networking; update proxy routing and compose; centralize Talk secrets & spreed config; remove Greenlight block

Conversation: https://chatgpt.com/share/68d74e25-c068-800f-ae20-d0e34ac8ee12

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

@@ -12,11 +12,14 @@
         - "{{ docker_compose.directories.volumes }}nginx.conf:/etc/nginx/nginx.conf:ro"
     volumes_from:
       - application
-
-{% include 'roles/docker-container/templates/healthcheck/curl.yml.j2' %}
+{% include 'roles/docker-container/templates/healthcheck/curl.yml.j2'  %}
     networks:
       default:
         ipv4_address: 192.168.102.67
+{% if NEXTCLOUD_TALK_NETWORK_MODE == 'host' %}
+    extra_hosts:
+      - "host.docker.internal:host-gateway"
+{% endif %}
 
   application:
     image: "{{ NEXTCLOUD_IMAGE }}:{{ NEXTCLOUD_VERSION }}"
@@ -42,7 +45,7 @@
     image: "{{ NEXTCLOUD_TALK_IMAGE }}:{{ NEXTCLOUD_TALK_VERSION }}"
     container_name: {{ NEXTCLOUD_TALK_CONTAINER }}
     init: true
-    network_mode: {{ COTURN_NETWORK_MODE }}
+    network_mode: {{ NEXTCLOUD_TALK_NETWORK_MODE }}
 {% if NEXTCLOUD_TALK_NETWORK_MODE == 'bridge' %}
     ports:
       - {{ networks.internet.ip4 }}:{{ NEXTCLOUD_TALK_STUN_PORT }}:{{ NEXTCLOUD_TALK_INT_TURN_PORT }}/tcp