FROM python:3.12-slim

WORKDIR /app

# copy requirements.txt to current folder
COPY src/requirements.txt .

# install runtime deps
RUN pip install --no-cache-dir -r requirements.txt

COPY src/technitium-ddns.py .
RUN chmod +x ./technitium-ddns.py

ENTRYPOINT ["/usr/local/bin/python", "/app/technitium-ddns.py"]