lambda2img.Dockerfile

ARG FUNCTION_RUNTIME

FROM mikesir87/aws-cli as code

ARG FUNCTION_NAME
ARG AWS_DEFAULT_REGION
ARG AWS_ACCESS_KEY_ID
ARG AWS_SECRET_ACCESS_KEY

RUN wget -O function.zip `aws lambda get-function --function-name $FUNCTION_NAME --query 'Code.Location' --output text`
RUN mkdir /function
RUN unzip function.zip -d /function

FROM lambci/lambda:$FUNCTION_RUNTIME

COPY --from=code /function /var/task

run

docker build \
  --build-arg AWS_DEFAULT_REGION=us-west-2 \
  --build-arg AWS_ACCESS_KEY_ID=AKIAXXXXXXXX \
  --build-arg AWS_SECRET_ACCESS_KEY=XXXXXXXX \
  --build-arg FUNCTION_NAME=HelloWorld \
  --build-arg FUNCTION_RUNTIME=nodejs8.10 \
  -t helloworld \
  -f lambda2img.Dockerfile .
  
docker run helloworld