Apache reverse proxy problem

Hello Community,

I installed jitsi on a ubuntu 18.04 lxc behind an apache reverse proxy.
Ihave error:

Proxy Error
The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request

Reason: Error reading from remote server

==> meet.conf <==
<VirtualHost *:443>
ServerName meet.mydomain

ErrorLog /var/log/apache2/meet-error.log
CustomLog /var/log/apache2/meet-access.log combined

SSLProxyEngine On
SSLProxyVerify none
SSLProxyCheckPeerCN off
SSLProxyCheckPeerName off
SSLProxyCheckPeerExpire off

ProxyPass / https://10.0.97.10/
ProxyPassReverse / https://10.0.97.10/

SSLCertificateFile /etc/letsencrypt/live/meet.mydomain/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/meet.mydomain/privkey.pem
Include /etc/letsencrypt/options-ssl-apache.conf

<VirtualHost *:80>
ServerName meet.mydomain

ErrorLog /var/log/apache2/meet-error.log
CustomLog /var/log/apache2/meet-access.log combined

#Redirect permanent / https://meet.mydomain/

RewriteEngine on
RewriteCond %{SERVER_NAME} =meet.mydomain
RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,NE,R=permanent]

==> /etc/jitsi/videobridge/sip-communicator.properties <==
org.ice4j.ice.harvest.DISABLE_AWS_HARVESTER=true
org.ice4j.ice.harvest.STUN_MAPPING_HARVESTER_ADDRESSES=meet-jit-si-turnrelay.jitsi.net:443
org.jitsi.videobridge.ENABLE_STATISTICS=true
org.jitsi.videobridge.STATISTICS_TRANSPORT=muc
org.jitsi.videobridge.xmpp.user.shard.HOSTNAME=localhost
org.jitsi.videobridge.xmpp.user.shard.DOMAIN=auth.meet.mydomain
org.jitsi.videobridge.xmpp.user.shard.USERNAME=jvb
org.jitsi.videobridge.xmpp.user.shard.PASSWORD=BYgFCvCZ
org.jitsi.videobridge.xmpp.user.shard.MUC_JIDS=JvbBrewery@internal.auth.meet.mydomain
org.jitsi.videobridge.xmpp.user.shard.MUC_NICKNAME=edb81b91-488d-4615-914f-8b75fcfd4608
org.ice4j.ice.harvest.NAT_HARVESTER_LOCAL_ADDRESS=10.0.97.10
org.ice4j.ice.harvest.NAT_HARVESTER_PUBLIC_ADDRESS=xxx.xxx.xxx.xxx

==> meet-error.log <==

[Tue Oct 06 11:04:36.684215 2020] [proxy_http:error] [pid 19042] (70014)End of file found: [client xxx.xxx.xxx.xxx:51641] AH01102: error reading status line from remote server 10.0.97.10:443
[Tue Oct 06 11:04:36.684303 2020] [proxy:error] [pid 19042] [client xxx.xxx.xxx.xxx:51641] AH00898: Error reading from remote server returned by /
[Tue Oct 06 11:04:37.056421 2020] [proxy_http:error] [pid 19042] (70014)End of file found: [client xxx.xxx.xxx.xxx:51641] AH01102: error reading status line from remote server 10.0.97.10:443, referer: https://meet.mydomain/
[Tue Oct 06 11:04:46.225014 2020] [proxy_http:error] [pid 19182] (70014)End of file found: [client xxx.xxx.xxx.xxx:32348] AH01102: error reading status line from remote server 10.0.97.10:443, referer: https://meet.mydomain/
[Tue Oct 06 11:04:46.225046 2020] [proxy:error] [pid 19182] [client xxx.xxx.xxx.xxx:32348] AH00898: Error reading from remote server returned by /favicon.ico, referer: https://meet.mydomain/

==> nginx-error.log <==
2020/10/06 07:31:31 [notice] 2715#2715: signal process started
2020/10/06 07:31:37 [notice] 4802#4802: signal process started
2020/10/06 08:04:36 [error] 4804#4804: *1 recv() failed (104: Connection reset by peer) while proxying and reading from upstream, client: 10.0.97.3, server: 0.0.0.0:443, upstream: “127.0.0.1:5349”, bytes from/to client:753/2726, bytes from/to upstream:2726/1270
2020/10/06 08:04:37 [error] 4804#4804: *3 recv() failed (104: Connection reset by peer) while proxying and reading from upstream, client: 10.0.97.3, server: 0.0.0.0:443, upstream: “127.0.0.1:5349”, bytes from/to client:666/2726, bytes from/to upstream:2726/1183
2020/10/06 08:04:46 [error] 4804#4804: *5 recv() failed (104: Connection reset by peer) while proxying and reading from upstream, client: 10.0.97.3, server: 0.0.0.0:443, upstream: “127.0.0.1:5349”, bytes from/to client:666/2726, bytes from/to upstream:2726/1183