jvb: add ability to specify set the WS_SERVER_ID with an env var

docker-compose.yml

@@ -211,6 +211,7 @@ services:
             - JVB_TCP_MAPPED_PORT
             - JVB_STUN_SERVERS
             - JVB_ENABLE_APIS
+            - JVB_WS_SERVER_ID
             - PUBLIC_URL
             - TZ
         depends_on:

jvb/rootfs/defaults/sip-communicator.properties

@@ -27,11 +27,12 @@ org.jitsi.videobridge.STATISTICS_TRANSPORT=muc
 org.jitsi.videobridge.STATISTICS_INTERVAL=5000
 
 {{ $WS_DOMAIN := .Env.PUBLIC_URL | default "https://localhost:8443" | trimPrefix "https://" | trimSuffix "/" -}}
+{{ $WS_SERVER_ID := .Env.JVB_WS_SERVER_ID | default .Env.LOCAL_ADDRESS }}
 
 org.jitsi.videobridge.rest.COLIBRI_WS_DISABLE=false
 org.jitsi.videobridge.rest.jetty.port=9090
 org.jitsi.videobridge.rest.COLIBRI_WS_DOMAIN={{ $WS_DOMAIN }}
 org.jitsi.videobridge.rest.COLIBRI_WS_TLS=true
-org.jitsi.videobridge.rest.COLIBRI_WS_SERVER_ID={{ .Env.LOCAL_ADDRESS }}
+org.jitsi.videobridge.rest.COLIBRI_WS_SERVER_ID={{ $WS_SERVER_ID }}
 
 org.jitsi.videobridge.rest.private.jetty.host=0.0.0.0