chore(mqtt): use developer's cloudflared tunnel on :7883 - #13
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The user runs a Cloudflare-tunneled MQTT broker, exposed locally
via cloudflared on 127.0.0.1:7883. The lab no longer needs its
own EMQX in the default path.
docker-compose.yml:
- mqtt: now profile-gated under "internal-broker". `make sim-up`
no longer starts EMQX. Bring it back when needed:
docker compose --profile internal-broker up -d
docker-compose.sim.yml:
- agent: drop the `mqtt` healthcheck dep (service no longer up by
default).
- extra_hosts: ["host.docker.internal:host-gateway"] so the alias
resolves on Docker; podman supplies host.containers.internal +
host.docker.internal automatically.
- BROKER_URL default: tcp://host.docker.internal:7883. Override
with the BROKER_URL env if your tunnel listens elsewhere.
Makefile:
- Header comment: MQTT documented as the host-side cloudflared
tunnel listener, not a lab container.
- lab-status MQTT default already 7883; will probe whatever
listener (cloudflared OR local broker via internal-broker
profile) is on that port.
Verified locally: stopped + removed temporal-hack-lab-mqtt-1;
recreated agent; logs show
"mqtt connected" broker=tcp://host.docker.internal:7883
"ota executor subscribed" topic=cmd/sim-robot-01/ota
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Stops running our own EMQX in the lab. The developer's cloudflared exposes the real broker on host 127.0.0.1:7883; the agent now connects there.
mqtt:service is now profile-gated underinternal-broker. Defaultmake sim-upno longer starts EMQX. Bring it back withdocker compose --profile internal-broker up -dfor offline dev.mqtthealthcheck dep, getsextra_hosts: [host.docker.internal:host-gateway]for Docker portability (podman supplies this automatically), defaultsBROKER_URL=tcp://host.docker.internal:7883.BROKER_URLenv override remains.make ci-up/ci-downnow always include--profile internal-brokerbecause CI runners don't have cloudflared. Smoke test stays self-contained.Verified locally
Stopped + removed temporal-hack-lab-mqtt-1; recreated agent. Logs:
Pre-push smoke green (CI cluster came up with internal-broker profile).