doorbell

1FROM python:3.12-slim
2
3# System packages for GPIO and building some Python libs
4RUN apt-get update && apt-get install -y --no-install-recommends \
5    python3-rpi.gpio \
6    gcc \
7    python3-dev \
8    libcap2-bin \
9    && rm -rf /var/lib/apt/lists/*
10
11# Python deps:
12# - gpiozero: easy GPIO handling (button)
13# - paho-mqtt: MQTT client
14# - rpi_ws281x / neopixel: addressable RGB LEDs
15RUN pip install --no-cache-dir \
16    gpiozero \
17    paho-mqtt \
18    rpi_ws281x \
19    adafruit-circuitpython-neopixel
20
21WORKDIR /app
22
23# Copy our app into the image
24COPY doorbell_app.py /app/doorbell_app.py
25
26# Run as root so GPIO access works in container
27CMD ["python", "-u", "doorbell_app.py"]
28
29