nodejs.lambda.Dockerfile

# Define custom function directory
ARG FUNCTION_DIR="/function"

FROM node:18-buster as build-image

# Include global arg in this stage of the build
ARG FUNCTION_DIR

# Install aws-lambda-cpp build dependencies
RUN apt-get update && \
    apt-get install -y \
    g++ \
    make \
    cmake \
    unzip \
    libcurl4-openssl-dev

# Copy function code
RUN mkdir -p ${FUNCTION_DIR}
COPY package.json package-lock.json ${FUNCTION_DIR}

WORKDIR ${FUNCTION_DIR}

# not ignoring scripts here because scripts build the c++ (bad, amazon)
RUN npm ci --production

# If the dependency is not in package.json uncomment the following line
# RUN npm install aws-lambda-ric

# Grab a fresh slim copy of the image to reduce the final size
FROM alpine

# maybe remove npm
RUN apk --update --no-cache add nodejs npm

# Required for Node runtimes which use [email protected]+ because
# by default npm writes logs under /home/.npm and Lambda fs is read-only
ENV NPM_CONFIG_CACHE=/tmp/.npm

# Include global arg in this stage of the build
ARG FUNCTION_DIR

# Set working directory to function root directory
WORKDIR ${FUNCTION_DIR}

# Copy in the built dependencies
COPY . ${FUNCTION_DIR}
COPY --from=build-image ${FUNCTION_DIR}/node_modules ${FUNCTION_DIR}/node_modules

ENTRYPOINT ["/function/node_modules/.bin/aws-lambda-ric"]
CMD ["app.handler"]

# test with:
# https://github.com/aws/aws-lambda-nodejs-runtime-interface-client#local-testing
# mkdir -p ~/.aws-lambda-rie && \
#    curl -Lo ~/.aws-lambda-rie/aws-lambda-rie https://github.com/aws/aws-lambda-runtime-interface-emulator/releases/latest/download/aws-lambda-rie && \
#    chmod +x ~/.aws-lambda-rie/aws-lambda-rie
# docker run -it --rm --name rie -p 9000:8080 \
# -v ~/.aws-lambda-rie:/aws-lambda --entrypoint /aws-lambda/aws-lambda-rie \
# $your_image /function/node_modules/.bin/aws-lambda-ric app.handler
#
# curl -X POST http://localhost:9000/2015-03-31/functions/function/invocations -d {} -vvv