ARG BUILD_FROM
FROM $BUILD_FROM

# Install system dependencies.
# build-base is for compiling Python packages (numpy, pillow).
# dbus-dev is for Bleak to communicate with the host's BlueZ.
# Do NOT install bluez here - we use the host BlueZ, not our own.
RUN apk add --no-cache \
    bash \
    python3 \
    py3-pip \
    dbus-dev \
    build-base \
    bluez

# Install Python dependencies from pip.
# We cannot use `pip install .` from pyproject.toml as it's outside the build context.
RUN pip3 install --no-cache-dir --break-system-packages \
    "bleak" \
    "numpy" \
    "Pillow" \
    "fastapi" \
    "uvicorn[standard]" \
    "python-multipart>=0.0.9"

# Copy the application code into the container.
WORKDIR /app
COPY fichero/ /app/fichero/

# Make the 'fichero' package importable.
ENV PYTHONPATH=/app

# Copy startup script and normalise line endings (Windows CRLF -> LF)
COPY run.sh /usr/bin/run.sh
RUN sed -i 's/\r//' /usr/bin/run.sh && chmod +x /usr/bin/run.sh

CMD ["/usr/bin/run.sh"]