datarhei-dragonfork-core/deploy/truenas/README.md
Zac Gaetano 9e3f031f95
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feat(webrtc): add -rtp-host flag + TrueNAS Docker deploy
- core/webrtc: NewSourceOn(streamID, host, port) allows binding the
  RTP UDP socket on something other than 127.0.0.1, required when the
  PoC runs in a container and must accept RTP from LAN publishers.
  NewSource(streamID, port) stays as a convenience wrapper on
  127.0.0.1 for existing tests and tight local tests.

- cmd/webrtc-poc: new -rtp-host flag (default 127.0.0.1 for safety).

- deploy/docker/Dockerfile: two-stage build, scratch runtime, ~14 MB.

- deploy/truenas/docker-compose.yml: host-networked stack template
  driven by a .env file. Host networking is required for WebRTC ICE
  to work without NAT rewriting per-candidate.

- deploy/truenas/README.md: operator runbook with port picking,
  bring-up, verification curls, and security notes.
2026-04-17 09:05:37 -04:00

1.8 KiB

TrueNAS deploy — WebRTC PoC (M1)

Host-networked Docker stack that runs cmd/webrtc-poc on TrueNAS for manual end-to-end testing. Not wired into the Core binary.

Prereqs

  • Docker on the TrueNAS host (TrueNAS SCALE includes it)
  • LAN or public IP that clients can reach
  • One free TCP port (WHEP) and one free UDP port (RTP ingest)

One-time setup

# On TrueNAS:
sudo mkdir -p /mnt/NVME/Docker/dragonfork-webrtc-poc
cd /mnt/NVME/Docker/dragonfork-webrtc-poc

# Copy the repo's deploy/truenas/docker-compose.yml in here, and the
# whole repo (or just cmd/ + core/ + go.mod + vendor/) somewhere the
# Dockerfile build context can see. Simplest: clone the repo adjacent
# and symlink docker-compose.yml, or point `context:` at the clone.

cat > .env <<EOF
WHEP_PORT=45121
RTP_PORT=49248
STREAM_ID=test
PUBLIC_IP=10.0.0.25
EOF

Run

docker compose up -d --build
docker compose logs -f

You should see:

listening for RTP on 127.0.0.1:49248   # or 0.0.0.0:49248 on real deploy
WHEP listening on :45121 — POST /whep/test to subscribe

Verify from another host on the LAN

curl -i -X GET http://10.0.0.25:45121/whep/test   # → 405 (POST only)
curl -i -X POST http://10.0.0.25:45121/whep/nope  # → 404 (stream not found)

For a real end-to-end check, point the repo's test/publish.sh at 10.0.0.25 49248 and the whep-client at http://10.0.0.25:45121/whep/test.

Teardown

docker compose down

Security notes

  • WHEP is served plain HTTP. Put nginx-proxy-manager or Caddy in front for TLS — but note that WHEP itself is fine over HTTPS; the real media is DTLS-SRTP-encrypted regardless.
  • No auth in M1. Anyone who can reach the port can subscribe. M3 adds a token check.
  • The binary runs as PID 1 in scratch — no shell, no package manager, no privilege escalation path. Exit codes only.