Dockerfile

FROM python:3.11-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONUNBUFFERED=1
ENV PYTHONPATH=/app/src

# Create app directory
WORKDIR /app

# Install system dependencies
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        curl \
        gcc \
        && rm -rf /var/lib/apt/lists/*

# Copy requirements first for better caching
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY src/ ./src/
COPY setup.py .
COPY README.md .

# Install the application
RUN pip install -e .

# Create logs directory with proper permissions
RUN mkdir -p /app/logs

# Create non-root user with same UID/GID as host user
ARG USER_ID=1000
ARG GROUP_ID=1000
RUN groupadd -g ${GROUP_ID} lcwuser && useradd -u ${USER_ID} -g lcwuser lcwuser

# Change ownership of the app directory to the user
RUN chown -R lcwuser:lcwuser /app

# Switch to non-root user
USER lcwuser


# Health check
HEALTHCHECK --interval=60s --timeout=10s --start-period=30s --retries=3 \
    CMD curl -f http://localhost:9099/metrics || exit 1

# Default command
CMD ["python", "-m", "lcw_fetcher.main", "start"]