more cleaner

deployment/lambda/extractor_and_loader/docker/Dockerfile

@@ -9,15 +9,20 @@ RUN pip install poetry
 # Set working directory
 WORKDIR /app
 
-# Copy only what's needed to resolve dependencies
+# Copy Poetry files and your source code
 COPY pyproject.toml poetry.lock ./
+COPY etl/ etl/
 
-# Export main dependencies only
+# Export main dependencies
 RUN poetry export -f requirements.txt --without-hashes --only main -o requirements.txt
 
-# Install dependencies to /python (Lambda expects this path)
+# Install into /python (Lambda expects this structure)
 RUN pip install --no-deps -r requirements.txt --target /python
 
+# Optionally: strip cache, pyc, and tests to reduce size
+RUN find /python -type d -name "tests" -exec rm -rf {} + \
+    && find /python -type f -name "*.pyc" -delete
+
 
 # ----------- Runtime Stage (Slim and Clean) -----------
 FROM python:3.12-slim
@@ -26,19 +31,19 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
     PYTHONUNBUFFERED=1 \
     PIP_NO_CACHE_DIR=1
 
-# Install Lambda Runtime Interface Client (RIC)
+# Install Lambda RIC
 RUN pip install awslambdaric
 
-# Copy app dependencies from builder
+# Copy installed dependencies and app code from builder
 COPY --from=builder /python /var/task
+COPY --from=builder /app/etl /var/task/etl
 
 # Set working directory
 WORKDIR /var/task
 
-# Copy application code
-COPY etl/ etl/
+# Copy Lambda handler
 COPY deployment/lambda/extractor_and_loader/docker/app.py .
 
-# Lambda entrypoint
+# Set Lambda entrypoint and handler
 ENTRYPOINT ["python3", "-m", "awslambdaric"]
 CMD ["app.handler"]