FROM --platform=linux/amd64 public.ecr.aws/lambda/python:3.10 COPY requirements.txt . RUN pip3 install -r requirements.txt --target "${LAMBDA_TASK_ROOT}" # Copy function code COPY main.py ${LAMBDA_TASK_ROOT} # Set the CMD to your handler (could also be done as a parameter override outside of the Dockerfile) CMD [ "main.lambda_handler" ]