FROM public.ecr.aws/lambda/python:3.8 COPY web_crawler_requirements.txt . RUN pip3 install -r web_crawler_requirements.txt --target "${LAMBDA_TASK_ROOT}" # Copy function code COPY *.py ${LAMBDA_TASK_ROOT} # Set the CMD to your handler (could also be done as a parameter override outside of the Dockerfile) CMD [ "web_crawler_app.handler" ]