Merge pull request #8 from bubblydoo/setup-github-actions

Setup Github actions

Author: Umkus

.dockerignore

@@ -0,0 +1,4 @@
+**
+!package-lock.json
+!package.json
+!webpack.config.js

.github/workflows/docker-workflow.yml

@@ -0,0 +1,71 @@
+name: Build Layer ZIP
+
+on:
+  push:
+    branches:
+    - master
+  pull_request:
+    branches:
+    - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: Read version
+      id: package_lock_json
+      run: |
+        content=$(cat ./package-lock.json)
+        content="${content//'%'/'%25'}"
+        content="${content//$'\n'/'%0A'}"
+        content="${content//$'\r'/'%0D'}"
+        echo "::set-output name=packageLockJson::$content"
+    - name: Variables
+      id: vars
+      run: |
+        sharp_version="${{ fromJSON(steps.package_lock_json.outputs.packageLockJson).dependencies.sharp.version }}"
+        echo "::set-output name=sharp_version::$sharp_version"
+
+        release_exists="true"
+        git show-ref --tags --quiet --verify -- "refs/tags/$sharp_version" || release_exists="false"
+        echo "::set-output name=release_exists::$release_exists"
+    - name: Build
+      id: docker_build
+      uses: docker/build-push-action@v2
+      with:
+        context: .
+        file: ./Dockerfile
+        tags: amazon-linux-sharp-layer:dev
+    - name: Copy artifacts
+      run: docker run -v "${{ github.workspace }}/dist":/dist amazon-linux-sharp-layer:dev
+    - name: Upload artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: sharp-lambda-layer.zip
+        path: dist/sharp-layer.zip
+        if-no-files-found: error
+    - name: Create release
+      if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' && steps.vars.outputs.release_exists == 'false' }}
+      id: create_release
+      uses: actions/create-release@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: ${{ steps.vars.outputs.sharp_version }}
+        release_name: Version ${{ steps.vars.outputs.sharp_version }}
+        prerelease: ${{ contains(steps.vars.outputs.sharp_version, '-') }}
+    - name: Upload release asset
+      if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' && steps.vars.outputs.release_exists == 'false' }}
+      id: upload_release_asset
+      uses: actions/upload-release-asset@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ steps.create_release.outputs.upload_url }}
+        asset_path: dist/sharp-layer.zip
+        asset_name: sharp-lambda-layer.zip
+        asset_content_type: application/zip

.gitignore

@@ -1,7 +1,6 @@
 .idea/
 coverage
 node_modules/
-dist/*
-!dist/sharp-layer.zip
+dist/
 *.iml
 .DS_Store

Dockerfile

@@ -0,0 +1,17 @@
+FROM lambci/lambda:build-nodejs12.x
+
+WORKDIR /build
+
+COPY * ./
+
+RUN npm --no-optional --no-audit --progress=false install
+
+RUN node ./node_modules/webpack/bin/webpack.js
+
+RUN node -e "console.log(require('sharp'))"
+
+RUN mkdir /dist && \
+  echo "cp /build/dist/sharp-layer.zip /dist/sharp-layer.zip" > /entrypoint.sh && \
+  chmod +x /entrypoint.sh
+
+ENTRYPOINT "/entrypoint.sh"

README.md

@@ -2,12 +2,8 @@
 This AWS lambda layer contains a pre-built [sharp](https://www.npmjs.com/package/sharp) npm library.
 It is optimized for the most frugal space usage possible.
 
-|Sharp version| Layer size|
-|---|---|
-|[0.26.0](https://github.com/lovell/sharp/releases/tag/v0.26.0)|9.68MB|
-
 # Getting
-A pre-built layer zip file is available at [`dist/sharp-layer.zip`](./dist/sharp-layer.zip).
+A pre-built layer zip file is available on the [Releases page](../../releases), alongside the size of the layer.
 
 # Building
 

dist/sharp-layer.zip

@@ -11,7 +11,7 @@
     "copy-webpack-plugin": "^6.1.0"
   },
   "dependencies": {
-    "sharp": "^0.26.0"
+    "sharp": "^0.27.0"
   },
   "engines": {
     "node": ">=12.14.0"

package-lock.json

@@ -35,7 +35,8 @@ module.exports = {
     })
   ],
   optimization: {
-    minimize: true,
+    // minimize will be enabled in Github Actions
+    minimize: process.env.NODE_ENV === 'production',
   },
   output: {
     filename: '[name].js',