Serverless を使った Ruby の AWS Lambda のプロジェクト例

README.md

Serverless を使った Ruby の AWS Lambda のプロジェクト例

ディレクトリ構成

.
├── handler.rb
├── layers/
│   ├── Gemfile
│   └── Gemfile.lock
├── node_modules/
├── package.json
├── serverless.yml
├── test/
└── yarn.lock

package.json

{
  "name": "emattsan_sample",
  "version": "1.0.0",
  "main": "index.js",
  "author": "MATSUMOTO EIji <e.mattsan@gmail.com>",
  "license": "MIT",
  "dependencies": {
    "serverless": "^1.42.3",
    "serverless-hooks-plugin": "^1.1.0"
  }
}

serverless.yml

service: emattsan-sample

plugins:
  - serverless-hooks-plugin

provider:
  name: aws
  runtime: ruby2.5
  stage: development
  region: ap-northeast-1

custom:
  hooks:
    package:initialize:
      - (cd layers && docker run --rm -v $(pwd):/var/task lambci/lambda:build-ruby2.5 bundle install --path vendor/bundle)

package:
  exclude:
    - test/**

layers:
  mygemslayer:
    path: layers
    name: ${self:service}-${self:provider.stage}-gems
    compatibleRuntimes:
      - ruby2.5
    allowedAccounts:
      - '*'

functions:
  generate:
    handler: handler.generate
    layers:
      - {Ref: MygemslayerLambdaLayer}
    environment:
      GEM_PATH: /opt/vendor/bundle/ruby/2.5.0