/lambda-layer-sharp

An AWS lambda layer with pre-built sharp node module optimised for minimal layer size

Primary LanguageJavaScript

AWS Sharp layer

This AWS lambda layer contains a pre-built sharp npm library. It is optimized for the most frugal space usage possible.

Sharp version Layer size (zipped) Lambda space usage
0.25.2 26MB (9.9MB) 5% (out of 512MB)

Getting

A pre-built layer zip file is available at dist/sharp-layer.zip.

Building

Dependencies

  • Docker

Steps

The below commands are also available in the scripts section of package.json.

  1. Clone the repo: 
    git clone git@github.com:Umkus/lambda-layer-sharp.git
cd lambda-layer-sharp/
  2. Install dependencies: 
    docker run -v "$PWD":/var/task lambci/lambda:build-nodejs12.x npm --no-optional --no-audit --progress=false install
  3. Build the layer: 
    docker run -v "$PWD":/var/task lambci/lambda:build-nodejs12.x node ./node_modules/webpack/bin/webpack.js
  4. Perform a smoke-test: 
    docker run -w /var/task/dist/nodejs -v "$PWD":/var/task lambci/lambda:build-nodejs12.x node -e "console.log(require('sharp'))"
  5. Import created layer into your AWS account: 
    aws lambda publish-layer-version \
   --layer-name sharp \
   --description "Sharp layer" \
   --license-info "Apache License 2.0" \
   --zip-file fileb://dist/sharp-layer.zip \
   --compatible-runtimes nodejs12.x