Strophe: Websocket error

Hi, i have Strophe: Websocket error on stable-8615 and stable-8319

I run docker-compose locally, uncommenting only the PUBLIC_URL

strophe.umd.js:5463 WebSocket connection to 'wss://' failed: 
_connect @ strophe.umd.js:5463
connect @ strophe.umd.js:2368
_interceptConnectArgs @
connect @ XmppConnection.js:273
_connect @ xmpp.js:568
connect @ xmpp.js:670
eh.connect @ JitsiConnection.js:61
Fae @ connection.js:55
(анонимная) @ connection.js:185
Bae @ connection.js:110
Uae @ connection.js:215
zie @ conference.js:209
init @ conference.js:808
Logger.js:154 2023-05-18T15:03:37.836Z [JitsiMeetJS.ts] <Object.getGlobalOnErrorHandler>:  UnhandledError: Strophe: Websocket error [object Event] Script: null Line: null Column: null StackTrace:  Error: Strophe: Websocket error [object Event]
    at Sa.vt.Strophe.log (http://localhost:8000/libs/lib-jitsi-meet.min.js?v=6991:2:526098)
    at Object.error (http://localhost:8000/libs/lib-jitsi-meet.min.js?v=6991:2:218918)
    at N.Websocket._onError (http://localhost:8000/libs/lib-jitsi-meet.min.js?v=6991:2:258391)

It is trying to connect to Probably this is not resolvable for your client.

with localhost same problem