Publish AWS Lambda Layer

create-layer.sh

#!/bin/bash

packages=$1

select="select(.key==\"${1// /\" or .key==\"}\")" 

esc1=${1// /__}
esc2=${esc1//[\/]/-}
esc3=${esc2//[^a-zA-Z0-9-_]/}
name=${esc3:0:64}

tmp=tmp-layer

rm -rf $tmp
mkdir $tmp && cd $_
npm init -y && npm install --save $packages
mkdir nodejs && mv node_modules $_ 
zip -r $name.zip $_

desc=$(jq -r ".dependencies | to_entries[] | $select | \"\(.key):\(.value.version)\"" package-lock.json)

layer=`aws lambda publish-layer-version\
  --layer-name $name\
  --description "${desc//$'\n'/ }"\
  --compatible-runtimes nodejs
  --zip-file fileb://$name.zip
`
echo $layer | jq .

version=`echo $layer | jq -r '.Version'`

cd .. && rm -rf $tmp

open https://console.aws.amazon.com/lambda/home#/layers/$name/versions/$version

Generate a zip file with several packages (space-sapareted).
Auto-generated description with npm package names and versions.