ARG BUILD_FROM
FROM $BUILD_FROM

# Install system dependencies
RUN apk add --no-cache \
    python3 \
    py3-pip \
    py3-pjsua2 \
    ffmpeg \
    alsa-lib

# Set working directory
WORKDIR /app

# Copy requirements and install Python dependencies
COPY requirements.txt .
RUN pip3 install --no-cache-dir -r requirements.txt

# Copy application files
COPY run.sh .
COPY sip_service.py .

RUN chmod +x /app/run.sh

CMD [ "/app/run.sh" ]