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docs(gateway): document MQTT_PASSWORD environment variable in README

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2026-04-24 09:19:19 +01:00
committed by Klagarge
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gateway/README.md
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@@ -75,11 +75,16 @@ pip install -r requirements.txt
## Usage ## Usage
Set the MQTT password as an environment variable before running:
```bash ```bash
export MQTT_PASSWORD="your_password"
source venv/bin/activate source venv/bin/activate
python gateway.py python gateway.py
``` ```
The password is never stored in config files or source code.
## Notes on the CO2 sensor ## Notes on the CO2 sensor
The Thingy:52 embeds a CCS811 sensor which measures eCO2 — an estimated The Thingy:52 embeds a CCS811 sensor which measures eCO2 — an estimated