Slack notifications from AWS Amplify

lambda.js

const https = require('https')

exports.handler = async (event) => {
    const sns = event.Records[0].Sns.Message
    let color = ''
    let message = ''
    if (sns.includes('build status is FAILED')) {
        color = '#E52E59'
        message = 'Release to My Company **production** failed.'
    } else if (sns.includes('build status is SUCCEED')) {
        color = '#21E27C'
        message = 'Release to My Company **production** succeeded.'
    } else if (sns.includes(`build status is STARTED`)) {
        color = '#3788DD'
        message = 'Release to My Company **production** has started...'
    }
    
    const data = JSON.stringify({
        attachments: [
            {
                'mrkdwn_in': ['text'],
                fallback: message,
                color,
                text: message
            }
        ]
    })
    return new Promise((resolve, reject) => {
        const request = https.request(process.env.WEBHOOK_URL, {
            method: 'POST',
            headers: {
                'Content-Type': 'application/json',
                'Content-Length': data.length,
            }
        }, (res) => {
            console.log(`statusCode: ${res.statusCode}`)
            res.on('data', (d) => process.stdout.write(d))
            res.on('end', () => resolve())
        })
        request.write(data)
        request.end()
    })
}