Line Messaging Bot with Google Cloud Function

Example of Line Messaging Bot hosted in Google Cloud Function(GCF). Using GCF means that the scalability part will be handled automatically by GCF.

Prerequisites

• Create channel for messaging API in Line Developer website
• Create Google Cloud Platform and setup the permission for Google Cloud Function

Features

• Replying TextReply Message Event automatically with echo message + " from gcp"

Build

• Get your channel secret and channel token from Line Developer Console Website
• Run this command to deploy to GCF region Jakarta:

gcloud functions deploy <function-name> --entry-point com.linecorp.id.gcp.function.ReplyMessageEvent --runtime java11 --trigger-http --memory 512MB --allow-unauthenticated --set-env-vars CHANNELENDPOINT=https://api.line.me/,CHANNELSECRET=<your-channel-secret>,CHANNELTOKEN=<your-channel-token> --region asia-southeast2

• Go to the Line Developer Website, and activate the bot in your Channel Configuration. Set the webhook url to point to your GCF Function url

Feedback

For feedback and feature request, please raise issues in the issue section of the repository. Enjoy!!.