roles: Make domain global variable

Each role has their own subdomains which can be set manually, or can
inherit from the global domain with a default prefix.

roles/arr/templates/docker-compose.yaml.j2

@@ -16,7 +16,7 @@ services:
       - "{{ arrstack_serve_dir }}/files/torrent:/data/torrent"
     restart: unless-stopped
     labels:
-      caddy: "http://sonarr.pichi.berlin"
+      caddy: "{{ arrstack_sonarr_subdomain }}"
       caddy.reverse_proxy: "{{ '{{' }}upstreams 8989{{ '}}'}}"
 
   radarr:
@@ -36,7 +36,7 @@ services:
       - "{{ arrstack_serve_dir }}/files/torrent:/data/torrent"
     restart: unless-stopped
     labels:
-      caddy: "http://radarr.pichi.berlin"
+      caddy: "{{ arrstack_radarr_subdomain }}"
       caddy.reverse_proxy: "{{ '{{' }}upstreams 7878{{ '}}'}}"
 
   lidarr:
@@ -61,7 +61,7 @@ services:
       - "{{ arrstack_serve_dir }}/files/torrent:/data/torrent"
     restart: unless-stopped
     labels:
-      caddy: "http://lidarr.pichi.berlin"
+      caddy: "{{ arrstack_lidarr_subdomain }}"
       caddy.reverse_proxy: "{{ '{{' }}upstreams 8686{{ '}}'}}"
 
   readarr:
@@ -81,7 +81,7 @@ services:
       - "{{ arrstack_serve_dir }}/files/torrent:/data/torrent"
     restart: unless-stopped
     labels:
-      caddy: "http://readarr.pichi.berlin"
+      caddy: "{{ arrstack_readarr_subdomain }}"
       caddy.reverse_proxy: "{{ '{{' }}upstreams 8787{{ '}}'}}"
 
   prowlarr:
@@ -98,7 +98,7 @@ services:
       - "{{ arrstack_env_dir }}/config/prowlarr:/config"
     restart: unless-stopped
     labels:
-      caddy: "http://prowlarr.pichi.berlin"
+      caddy: "{{ arrstack_prowlarr_subdomain }}"
       caddy.reverse_proxy: "{{ '{{' }}upstreams 9696{{ '}}'}}"
 
   beets:
@@ -119,7 +119,7 @@ services:
       - "{{ arrstack_serve_dir }}/files/music-unsorted:/downloads"
     restart: unless-stopped
     labels:
-      caddy: "http://prowlarr.pichi.berlin"
+      caddy: "{{ arrstack_beets_subdomain }}"
       caddy.reverse_proxy: "{{ '{{' }}upstreams 8337{{ '}}'}}"
 
   sabnzbd:
@@ -137,7 +137,7 @@ services:
       - "{{ arrstack_serve_dir }}/files/usenet:/data/usenet:rw"
     restart: unless-stopped
     labels:
-      caddy: "http://usenet.pichi.berlin"
+      caddy: "{{ arrstack_sabnzbd_subdomain }}"
       caddy.reverse_proxy: "{{ '{{' }}upstreams 8080{{ '}}'}}"
 
   vpn:
@@ -172,7 +172,7 @@ services:
     #  - 8000:8000  # gluetun http control
     restart: unless-stopped
     labels:
-      caddy: "http://torrent.pichi.berlin"
+      caddy: "{{ arrstack_qbit_subdomain }}"
       caddy.reverse_proxy: "{{ '{{' }}upstreams 8888{{ '}}'}}"
   qbittorrent:
     image: linuxserver/qbittorrent
@@ -241,7 +241,7 @@ services:
       - /var/run/docker.sock:/var/run/docker.sock # Optional, only if you want docker integration
     restart: unless-stopped
     labels:
-      caddy: "http://pichi.berlin"
+      caddy: "{{ arrstack_homarr_subdomain }}"
       caddy.reverse_proxy: "{{ '{{' }}upstreams 7575{{ '}}'}}"
 
   jellyseerr:
@@ -258,7 +258,7 @@ services:
       - "{{ arrstack_env_dir }}/config/jellyseerr:/app/config"
     restart: unless-stopped
     labels:
-      caddy: "http://get.pichi.berlin"
+      caddy: "{{ arrstack_jellyseerr_subdomain }}"
       caddy.reverse_proxy: "{{ '{{' }}upstreams 5055{{ '}}'}}"
 
   audiobookshelf:
@@ -278,7 +278,7 @@ services:
       # - "{{ arrstack_serve_dir }}/media/podcasts:/podcasts" # TODO: If integrating podcasts
     restart: unless-stopped
     labels:
-      caddy: "http://books.pichi.berlin"
+      caddy: "{{ arrstack_audiobookshelf_subdomain }}"
       caddy.reverse_proxy: "{{ '{{' }}upstreams 80{{ '}}'}}"
 
   jellyfin:
@@ -306,7 +306,7 @@ services:
       - 1900:1900/udp #optional - dlna discovery
     restart: unless-stopped
     labels:
-      caddy: "http://media.pichi.berlin"
+      caddy: "{{ arrstack_jellyfin_subdomain }}"
       caddy.reverse_proxy: "{{ '{{' }}upstreams 8096{{ '}}'}}"
 
   gonic:
@@ -325,7 +325,7 @@ services:
       - "/srv/media/podcasts:/podcasts"
         #- /path/to/cache:/cache # transcode / covers / etc cache dir
     labels:
-      caddy: "http://music.pichi.berlin"
+      caddy: "{{ arrstack_gonic_subdomain }}"
       caddy.reverse_proxy: "{{ '{{' }}upstreams 80{{ '}}'}}"