# Abstraction Layer Dockerfile
# MQTT ↔ Device Protocol Translation Worker

FROM python:3.14-alpine

# Prevent Python from writing .pyc files and enable unbuffered output
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    MQTT_BROKER=172.16.2.16 \
    MQTT_PORT=1883 \
    REDIS_HOST=localhost \
    REDIS_PORT=6379 \
    REDIS_DB=0

# Create non-root user
RUN addgroup -g 10001 -S app && \
    adduser -u 10001 -S app -G app

# Set working directory
WORKDIR /app

# Install system dependencies
RUN apk add --no-cache \
    gcc \
    musl-dev \
    linux-headers

# Install Python dependencies
COPY apps/abstraction/requirements.txt /app/requirements.txt
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY apps/__init__.py /app/apps/__init__.py
COPY apps/abstraction/ /app/apps/abstraction/
COPY packages/ /app/packages/

# Change ownership to app user
RUN chown -R app:app /app

# Switch to non-root user
USER app

# Run application
CMD ["python", "-m", "apps.abstraction.main"]