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

# ----------- Build Stage (with Poetry) -----------
FROM python:3.12-slim as builder

ENV PIP_NO_CACHE_DIR=1

# Install Poetry
RUN pip install poetry

# Set working directory
WORKDIR /app

# Copy only what's needed to resolve dependencies
COPY pyproject.toml poetry.lock ./

# Export main dependencies only
RUN poetry export -f requirements.txt --without-hashes --only main -o requirements.txt

# Install dependencies to /python (Lambda expects this path)
RUN pip install --no-deps -r requirements.txt --target /python


# ----------- Runtime Stage (Slim and Clean) -----------
FROM python:3.12-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1

# Install Lambda Runtime Interface Client (RIC)
RUN pip install awslambdaric

# Copy app dependencies from builder
COPY --from=builder /python /var/task

# Set working directory
WORKDIR /var/task

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

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