survey-extraction/deployment/lambda/extractor_and_loader/docker/Dockerfile

# Start from lightweight base image
FROM python:3.12-slim

# Set environment vars to reduce image size and avoid bytecode
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

# Install required system packages and Lambda RIC
RUN apt-get update && apt-get install -y curl \
    && pip install awslambdaric \
    && apt-get clean && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /var/task

# Copy Poetry files and export dependencies
COPY pyproject.toml poetry.lock ./
RUN pip install poetry \
    && poetry export -f requirements.txt --without-hashes --only main -o requirements.txt \
    && pip install -r requirements.txt --target . \
    && rm -rf ~/.cache .venv

# Copy app code
COPY etl/ etl/
COPY deployment/lambda/extractor_and_loader/docker/app.py .

# Lambda entrypoint
ENTRYPOINT ["/usr/local/bin/python3", "-m", "awslambdaric"]
CMD ["app.handler"]