jibri: set base URL for joining meetings

This will make Jibri join PUBLIC_URL/meetingName instead of https://meet.jitsi/meetingName.

docker-compose.yml

@@ -108,8 +108,6 @@ services:
             - TOKEN_AUTH_URL
         networks:
             meet.jitsi:
-                aliases:
-                    - ${XMPP_DOMAIN}
 
     # XMPP server
     prosody:

jibri.yml

@@ -13,6 +13,7 @@ services:
         devices:
             - /dev/snd:/dev/snd
         environment:
+            - PUBLIC_URL
             - XMPP_AUTH_DOMAIN
             - XMPP_INTERNAL_MUC_DOMAIN
             - XMPP_RECORDER_DOMAIN

jibri/rootfs/defaults/config.json

@@ -15,6 +15,8 @@
                 "{{ .Env.XMPP_SERVER }}"
             ],
             "xmpp_domain": "{{ .Env.XMPP_DOMAIN }}",
+            // An (optional) base url the Jibri will join if it is set
+            "baseUrl": "{{ .Env.PUBLIC_URL }}",
             // Jibri will login to the xmpp server as a privileged user 
             "control_login": {
                 "domain": "{{ .Env.XMPP_AUTH_DOMAIN }}",