init

yep

Author: woss

.gitattributes

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+layers/sharp/out/sharp-0.23.0-aws-lambda-linux-x64-node-10.16.3.zip filter=lfs diff=lfs merge=lfs -text

.gitignore

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+# package directories
+node_modules
+# Serverless directories
+.serverless
+.DS_Store
+.env

deploy.sh

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+stage=${STAGE}
+region=${REGION}
+bucket=${BUCKET}
+
+sls config credentials \
+  --provider aws \
+  --key ${SLS_KEY} \
+  --secret ${SLS_SECRET} \
+  --profile ${PROFILE}
+
+echo 'Deploying'
+sls deploy -s ${STAGE}

docker-compose.yml

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+version: '3'
+services:
+  sharp:
+    image: woss/aws-sharp-layer
+    build:
+      context: ./layers/sharp
+      dockerfile: Dockerfile
+    volumes:
+      - ./layers/sharp:/app
+  deploy:
+    image: woss/aws-sharp-layer-test
+    build:
+      context: ./example
+      dockerfile: Dockerfile
+    volumes:
+      - ./example:/app
+    env_file:
+      - ./.env

example/.editorconfig

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+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = false
+insert_final_newline = false

example/Dockerfile

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+FROM amazonlinux as baseBox
+WORKDIR /app
+
+RUN yum -y install make gcc*
+RUN curl --silent --location https://rpm.nodesource.com/setup_10.x | bash -
+RUN yum -y install nodejs
+
+
+####################
+## DEPLOYMENT BOX ##
+####################
+FROM baseBox as deployBox
+COPY . .
+RUN yarn
+
+RUN ["chmod", "+x", "deploy.sh"]
+CMD ./deploy.sh ; sleep 2m

example/package.json

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+{
+  "name": "aws-lambda-layer-sharp",
+  "version": "1.0.0",
+  "main": "src/handler.js",
+  "license": "MIT",
+  "devDependencies": {
+    "nodemon": "^1.19.2",
+    "serverless": "^1.52.0",
+    "serverless-dotenv-plugin": "^2.1.1",
+    "serverless-offline": "^6.0.0-alpha.40",
+    "serverless-webpack": "^5.3.1",
+    "source-map-support": "^0.5.11",
+    "webpack": "^4.5.0",
+    "webpack-cli": "^3.3.7",
+    "webpack-node-externals": "^1.6.0",
+    "sharp": "^0.23.0"
+  },
+  "scripts": {
+    "start": "nodemon -w ./src/**/* --exec \"yarn offline\" ",
+    "offline": "sls offline start"
+  },
+  "keywords": [],
+  "author": "",
+  "description": "",
+  "dependencies": {
+    "axios-debug-log": "^0.6.2",
+    "axios": "^0.19.0",
+    "mime-types": "^2.1.24"
+  }
+}

example/sample.env

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+SLS_KEY=
+SLS_SECRET=
+PROFILE=testSls
+STAGE=dev
+REGION=eu-east-1
+DEBUG=axios
+# SLS_DEBUG=*

example/serverless.yml

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+service: aws-lambda-layer-sharp
+frameworkVersion: '>=1.34.0 <2.0.0'
+publish: false
+provider:
+  name: aws
+  runtime: nodejs10.x
+  profile: testSls
+  region: eu-west-1
+  apiGateway:
+    minimumCompressionSize: 1024
+    binaryMediaTypes:
+      - '*/*'
+functions:
+  test:
+    handler: ./example/src/handler.handler
+    events:
+      - http:
+          path: sharp
+          method: get
+    layers:
+      - { Ref: SharpLambdaLayer }
+custom:
+  webpack:
+    webpackConfig: 'webpack.config.js' # Name of webpack configuration file
+    # includeModules: true # Node modules configuration for packaging
+    includeModules:
+      forceExclude:
+        - sharp
+    packager: 'yarn' # Packager that will be used to package your external modules
+    excludeFiles: src/**/*.test.js # Provide a glob for files to ignore
+
+  serverless-offline:
+    port: 4000
+    host: 0.0.0.0
+    dontPrintOutput: true
+    useSeparateProcesses: true
+
+plugins:
+  - serverless-dotenv-plugin
+  - serverless-webpack
+  - serverless-offline
+
+package:
+  individually: true

example/source-map-install.js

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+require('source-map-support').install();

example/src/handler.js

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+require('axios-debug-log')
+const axios = require('axios')
+const sharp = require('sharp')
+const mime = require('mime-types')
+
+const imagePath =
+  'https://s3-eu-west-1.amazonaws.com/sensio.photo/public-assets/20160903-_MG_5320.jpg'
+
+exports.handler = async event => {
+  try {
+    const { data: imageData } = await axios.get(imagePath, {
+      responseType: 'arraybuffer'
+    })
+
+    const img = await sharp(imageData)
+      .withMetadata()
+      .resize(800)
+      .convolve({
+        width: 3,
+        height: 3,
+        kernel: [-1, 0, 1, -2, 0, 2, -1, 0, 1]
+      })
+      .webp()
+      .toBuffer()
+
+    const ContentType = mime.contentType('webp')
+    const response = {
+      statusCode: 200,
+      headers: {
+        'Content-Type': ContentType
+      },
+      body: img.toString('base64'),
+      isBase64Encoded: true
+    }
+    return response
+  } catch (error) {
+    console.error(error)
+  }
+}

example/webpack.config.js

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+const path = require('path')
+const nodeExternals = require('webpack-node-externals')
+const slsw = require('serverless-webpack')
+const entries = {}
+
+Object.keys(slsw.lib.entries).forEach(
+  key => (entries[key] = ['./source-map-install.js', slsw.lib.entries[key]])
+)
+module.exports = {
+  mode: slsw.lib.webpack.isLocal ? 'development' : 'production',
+  devtool: 'source-map',
+  // devtool: 'inline-source-map',
+  // entry: entries,
+  entry: slsw.lib.entries,
+  target: 'node',
+  externals: [nodeExternals(), 'sharp'],
+  module: {
+    rules: [{ test: /\.ts(x?)$/, loader: 'ts-loader' }]
+  },
+  resolve: {
+    extensions: ['.ts', '.js', '.tsx', '.jsx']
+  },
+  // output: {
+  //   libraryTarget: 'commonjs',
+  //   path: path.join(__dirname, './../.dist'),
+  //   filename: 'handler.js',
+  //   devtoolModuleFilenameTemplate: '../../[resource-path]',
+  // },
+  output: {
+    libraryTarget: 'commonjs',
+    path: path.join(__dirname, 'dist'),
+    filename: '[name].js',
+    sourceMapFilename: '[file].map',
+    devtoolModuleFilenameTemplate: '[absolute-resource-path]'
+  },
+  optimization: { minimize: false },
+  plugins: [],
+  performance: {
+    // Turn on size warnings for entry points
+    hints: 'warning'
+  }
+}