I can confirm upgrade to 15.0.3 is the reason for this because manually going back to 15.0.2 fixes the issue.

⨯ TypeError: a is not a constructor
    at t.createPool (/Users/jerico/Code/project1/.next/standalone/.next/server/chunks/8012.js:1:307844)
    at eR (/Users/jerico/Code/project1/.next/standalone/.next/server/chunks/8012.js:28:32353)
    at 731957 (/Users/jerico/Code/project1/.next/standalone/.next/server/chunks/9584.js:1:29610)
    at t (/Users/jerico/Code/project1/.next/standalone/.next/server/webpack-runtime.js:1:485)
    at 857155 (/Users/jerico/Code/project1/.next/standalone/.next/server/chunks/1036.js:26:29835)
    at t (/Users/jerico/Code/project1/.next/standalone/.next/server/webpack-runtime.js:1:485)
    at 347360 (/Users/jerico/Code/project1/.next/standalone/.next/server/app/[domain]/[locale]/(main)/(ordering)/ecards/[id]/page.js:1:22306)
    at Object.t [as require] (/Users/jerico/Code/project1/.next/standalone/.next/server/webpack-runtime.js:1:485)
    at <unknown> (/Users/jerico/Code/project1/.next/standalone/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:127:1282) {
  digest: '1997576513'
}