Coturn (STUN / TURN Server für Jitsi Meet)

https://hub.docker.com/r/coturn/coturn

https://doganbros.com/blog/turn-server-setup-for-jitsi-on-ubuntu-20-04-tls 

https://webrtc.github.io/samples/src/content/peerconnection/trickle-ice/ 

services:
    coturn:
        network_mode: host
        container_name: coturn
        image: coturn/coturn
        restart: unless-stopped
        tmpfs:
          - /var/lib/coturn
        ports:
          - 80:3478
          - 80:3478/udp
          - 443:5349
          - 443:5349/udp
        command:
          - --log-file=stdout
          - --min-port=49160
          - --max-port=49200
          - --lt-cred-mech
          - --fingerprint
          - --no-multicast-peers
          - --no-cli
          - --no-tlsv1
          - --no-tlsv1_1
          - --external-ip=XXX.XXX.XXX.XXX
          - --static-auth-secret=rqj...........[openssl rand -base64 32]...............cGhY
          - --realm=jitsi.MEINEDOMAIN.de