Use ruby to create a line bot on AWS

Author: louis70109

README.md

@@ -102,6 +102,7 @@ serverless install -u https://github.com/serverless/examples/tree/master/folder-
 | [Aws Scheduled Cron](https://github.com/serverless/examples/tree/master/aws-python-scheduled-cron) <br/> Example of creating a function that runs as a cron job using the serverless `schedule` event | python |
 | [Aws Simple Http Endpoint](https://github.com/serverless/examples/tree/master/aws-python-simple-http-endpoint) <br/> Example demonstrates how to setup a simple HTTP GET endpoint with python | python |
 | [Serverless Telegram Bot](https://github.com/serverless/examples/tree/master/aws-python-telegram-bot) <br/> This example demonstrates how to setup an echo Telegram Bot using the Serverless Framework ⚡🤖  | python |
+| [Aws Ruby Line Bot](https://github.com/serverless/examples/tree/master/aws-ruby-line-bot) <br/> Example demonstrates how to setup a simple Line echo bot on AWS | ruby |
 | [Aws Ruby Simple Http Endpoint](https://github.com/serverless/examples/tree/master/aws-ruby-simple-http-endpoint) <br/> Example demonstrates how to setup a simple HTTP GET endpoint | ruby |
 | [Azure Nodejs](https://github.com/serverless/examples/tree/master/azure-node-line-bot) <br/> Azure Functions sample for the Serverless framework | nodeJS |
 | [Azure Node Simple Http Endpoint](https://github.com/serverless/examples/tree/master/azure-node-simple-http-endpoint) <br/> An example of making http endpoints with the Azure Functions Serverless Framework plugin | nodeJS |

aws-ruby-line-bot/.gitignore

@@ -0,0 +1,5 @@
+.serverless
+vendor
+node_modules
+package-lock.json
+.bundle/

aws-ruby-line-bot/Gemfile

@@ -0,0 +1,3 @@
+source 'https://rubygems.org'
+
+gem 'line-bot-api'

aws-ruby-line-bot/Gemfile.lock

@@ -0,0 +1,13 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    line-bot-api (1.11.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  line-bot-api
+
+BUNDLED WITH
+   2.0.2

aws-ruby-line-bot/README.md

@@ -0,0 +1,48 @@
+# AWS-ruby-line-echo-bot
+
+Follow this [project](https://github.com/serverless/examples/tree/master/aws-python-line-echo-bot),
+
+I use my first language(ruby) to build this on serverless,
+
+so you can use this project in others case.
+
+# Bebore you start
+
+1. Line developer account
+2. [Line Message API](https://developers.line.biz/en/docs/messaging-api/getting-started/)
+
+# Get Started
+
+1. Install serverless via npm
+
+```bash=
+$ npm install -g serverless
+```
+
+2. Setup your **AWS** ceritficate
+
+```bash=
+export AWS_ACCESS_KEY_ID=<your-key-here>
+export AWS_SECRET_ACCESS_KEY=<your-secret-key-here>
+```
+
+3. Insert you line bot secret & key
+
+```python=
+config.channel_secret = "YOUR_LINE_CHANNEL_SECRET"
+config.channel_token = "YOUR_LINE_CHANNEL_TOKEN"
+```
+
+4. Deploy the webhhok function
+
+```bash=
+npm install
+serverless deploy
+```
+
+Now you can test you chatbot, have fun!
+![Echo bot](https://i.imgur.com/ekiLRHS.png)
+
+# References
+
+- [Plugin hook](https://github.com/serverless/serverless/issues/5567#issuecomment-444671106)

aws-ruby-line-bot/handler.rb

@@ -0,0 +1,19 @@
+require 'line/bot'
+
+def webhook(event:, context:)
+  client ||= Line::Bot::Client.new { |config|
+    config.channel_secret = "YOUR_LINE_CHANNEL_SECRET"
+    config.channel_token = "YOUR_LINE_CHANNEL_TOKEN"
+  }
+  
+  event = JSON.parse(event["body"])
+  reply_token = event["events"][0]["replyToken"]
+  message = {
+    type: 'text',
+    text: event["events"][0]["message"]["text"]
+  }
+  
+  response = client.reply_message(reply_token, message)
+  
+  { statusCode: 200, body: JSON.generate({message: "OK"}) }
+end

aws-ruby-line-bot/package.json

@@ -0,0 +1,10 @@
+{
+  "name": "aws-ruby-line-bot",
+  "version": "1.0.0",
+  "description": "Example demonstrates how to setup a simple Line echo bot on AWS",
+  "author": "NiJia",
+  "license": "MIT",
+  "devDependencies": {
+    "serverless-hooks-plugin": "^1.1.0"
+  }
+}

aws-ruby-line-bot/serverless.yml

@@ -0,0 +1,23 @@
+service: aws-ruby-line-bot
+
+frameworkVersion: ">=1.1.0 <2.0.0"
+
+provider:
+  name: aws
+  runtime: ruby2.5
+
+functions:
+  current_time:
+    handler: handler.webhook
+    events:
+      - http:
+          path: webhook
+          method: post
+
+plugins:
+  - serverless-hooks-plugin
+
+custom:
+  hooks:
+    package:initialize:
+      - bundle install --deployment