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

# ---------- Builder Stage (uses Poetry) ----------
FROM python:3.12-slim as builder

# Install Poetry
RUN pip install --no-cache-dir poetry

# Set working directory
WORKDIR /app

# Copy only what's needed for dependency resolution
COPY pyproject.toml poetry.lock ./

# Export dependencies (no dev) to requirements.txt
RUN poetry export -f requirements.txt --without-hashes --only main -o requirements.txt

# Install into a clean target folder
RUN pip install --no-cache-dir -r requirements.txt --target /python

# ---------- Final Lambda Image ----------
FROM public.ecr.aws/lambda/python:3.12

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

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

# Set the Lambda handler (file.function_name)
CMD ["app.handler"]