This is a bit of shameless plug, but seems relevant as its about providing end to end encryption for Jitsi. My company provides a VPN product (really a full-fledged API driven SDN) that you can plug containers into. So a network edge that supports plugins. We just spun up a Jitsi plugin. All packets run over the encrypted overlay network for VPN clients. We'll post a little blog post on it soon. PM me if it sounds interesting.
vpn: https://www.cohesive.net/workforce-service-edge network edge plugins: https://docs.cohesive.net/docs/network-edge-plugins
edit: And we're offering expanded free licenses during the pandemic, https://www.cohesive.net/blog/helping-business-teams-stay-co...