README.md

🤖 Slack Reply Bot

It is a serverless BOT which receives Slack's public channel message and reply if there includes a specific keyword.

DEMO:

Description

Using Slack's BOT and Subscribe to receive all the public messages toward Lambda via API-Gateway. If there includes a specific keyword, call the Slack API and send a message back to the same channel. Slack BOT needs to be create manually, but AWS side automates environment construction by using Serverless Framework.

Requirement

• AWS Account
• Serverless Framework
• serverless-plugin-aws-alerts (optional)
• Slack Account

Installation

1. Create Slack BOT from Here

   • Bot User
     • Display Name
     • Default Username
   • Permissions
     • OAuth & Permissions
       • Scopes
         • channels:history
         • channels:write

2. Get two tokens

   • Permissions
     • OAuth & Permissions
       • OAuth Access Token
       • Bot User OAuth Access Token

3. Clone this repo.

$ git clone https://github.com/saitota/SlackReplyBot.git

4. Modify environment_dev.yml 's two TOKENs to your token.

OAUTH_TOKEN: 'xoxp-000000000000-000000000000-000000000000-0x0x0x0x0x0x0x0x0x0x0x0x0x0x0x0x'
BOT_TOKEN: 'xoxb-000000000000-0x0x0x0x0x0x0x'

5. Deploy with Serverless Framework (you must aws-cli initialize before)

$ sls deploy
...
api keys:
  None
endpoints:
  POST - https://0x0x0x0x0x.execute-api.ap-northeast-1.amazonaws.com/dev/
functions:
  fnc: SlackReplyBot-dev-fnc

6. Set Slack BOT endpoint and event subscribe settings

   • Event Subscriptions
     • Request URL: set your endopint url(you can see in your deploy log)
   • Subscribe to Workspace Events
     • message.channels

7. Done! try to say poop at Slack.

🤔 Anything Else

I wrote article about this BOT.

Slack で自動返信するサーバレスBOTを作りました - Qiita

🐑 Author

saitotak

✍ License

MIT