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feat: Docker image, SFU_TLS and a fixed UDP port range - #16
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SFU_UDP_PORT_MIN/MAX bind media sockets in a publishable range; SFU_TLS=false serves plain HTTP behind a reverse proxy. The Release workflow pushes ghcr.io/lumyx-dev/sfu-core on tags. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Summary
SFU_UDP_PORT_MIN/SFU_UDP_PORT_MAX: media sockets bind the first free port of the range (one per peer), so the SFU can be published from a container. Unset keeps ephemeral ports.SFU_TLS=false: plain HTTP behind a reverse proxy that terminates TLS. Default unchanged (true).Dockerfile(36 MB image, non-root, TLS off and range 40000-40099 by default).ghcr.io/lumyx-dev/sfu-core:X.Y.Zon tags (amd64 for now).Used by lumyx-dev/self-hosted.
Test plan
cargo fmt --check,cargo clippy -D warnings,cargo testscripts/browser-check.ts 3through Docker + Caddy + the UDP range: each peer sees the 2 others with decoded video