Dockerfile.lambda-debian

#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Dockerfile.lambda-debian
#
# An image ready for AWS Lambda. In contrast to the alpine Dockerfile,
# this is based on the node image and installs Chrome manually.
#
# Status: Works locally but fails to start Chrome in cloud.
#
# ref: https://nodejs.org/en/docs/guides/nodejs-docker-webapp/
# ref: https://github.com/Zenika/alpine-chrome#run-examples
# ref: https://www.npmjs.com/package/aws-lambda-ric
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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


# 2-stage docker build to reduce image size, bc aws tool building is heavy.

###############################
# Docker Build Stage 1
###############################

FROM node:14.16.0-buster as build-image

# Include global arg in this stage of the build
ARG FUNCTION_DIR
WORKDIR ${FUNCTION_DIR}


# Multi-stage dep install to (1) leverage docker layer caching and (2) cleanup

# Stage 1: Install system deps
RUN apt update
RUN apt-get install -y \
  g++ \
  make \
  cmake \
  unzip \
  autoconf \
  libtool \
  libcurl4-openssl-dev \
  python3 \
  rsync

# Stage 2: Build the aws-lambda-ric node app
RUN npm init -y &> /dev/null
RUN npm i aws-lambda-ric
RUN mv node_modules aws_node_modules

# Stage 3: Copy package*.json and install deps
COPY package*.json ./
RUN npm i

# Stage 4: Copy remaining source files
COPY src src
COPY tsconfig.json ./

# Stage 5: Transpile typescript
RUN npx tsc

# Stage 6: Remove dev files
RUN mv node_modules /tmp; mv src /tmp; mv tsconfig.json /tmp
RUN npm i --production

# Stage 7: Merge aws-lambda-ric deps
RUN rsync -ar aws_node_modules/ node_modules

# Stage 8 copy extra files
COPY lambda.js README.md ./


###############################
# Docker Build Stage 2
###############################

FROM node:14.16.0-buster-slim

# Include global arg in this stage of the build
ARG FUNCTION_DIR
WORKDIR ${FUNCTION_DIR}

# Install chrome
RUN apt update
RUN apt install -y wget
RUN wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
RUN apt install -y ./google-chrome-stable_current_amd64.deb

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

ADD aws/aws-lambda-rie /usr/local/bin/aws-lambda-rie
ADD aws/lambda-entryscript.sh /
ENTRYPOINT ["/lambda-entryscript.sh"]