docker-compose: took not sensetive data out of compose's secrets to bind mounts

docker-compose.yml

@@ -8,17 +8,16 @@ services:
       - 2022:2022
     secrets:
       - chatkey
-      - admins  # Not so secret
-      - motd  # Also not a secret
-    command: "/usr/local/bin/ssh-chat --identity /run/secrets/chatkey --admin=/run/secrets/admins --log=/dev/stdout --motd=/run/secrets/motd"
+    command: "/usr/local/bin/ssh-chat --identity /run/secrets/chatkey --admin=/admins --log=/dev/stdout --motd=/motd"
 
   matterbridge:
     build: https://gitea.demb.uk/third-party-mirrors/matterbridge.git#v1.26.0
     image: matterbridge
     restart: unless-stopped
-    secrets:
-      - source: matterbridge-config
-        target: /etc/matterbridge/matterbridge.toml
+    volumes:
+      - ./matterbridge/matterbridge.toml:/etc/matterbridge/matterbridge.toml:ro
+      - ./ssh-chat/motd:/motd:ro
+      - ./ssh-chat/admins:/admins:ro
     environment:
       - MATTERBRIDGE_DISCORD_MYDISCORD_TOKEN  # Expected to be found in ./.env
     depends_on:
@@ -38,13 +37,8 @@ services:
 
 volumes:
   ts3-vol:
+    external: true
 
 secrets:
   chatkey:
     file: ./id_ed25516
-  admins:
-    file: ./ssh-chat/admins
-  motd:
-    file: ./ssh-chat/motd
-  matterbridge-config:
-    file: ./matterbridge/matterbridge.toml