If you need to replace the certificate with the default self-cert for HCL Sametime 11.5 Meetings on Docker:
- Docker compose down
- Replace the cert and key files in <install dir>./jitsi-config/web/keys/cert.crt and cert.key with the correct key and crt file
- Docker compose up -d
HCL Sametime 11.5 Documentations LINK