Remember that a version of @nestjs/typeorm^8.1.4 cannot be obtained Env option problem

1. brief introduction

stay typeorm in , It could have been through .env File to configure connection options

But after upgrading to  @nestjs/typeorm^8.1.4 typeorm^0.3.7 after , This function is removed

2. solve

have access to  ConnectionOptionsReader To solve

import { ConnectionOptionsReader } from 'typeorm/connection/ConnectionOptionsReader'

TypeOrmModule.forRootAsync({
      useFactory: async () => {
        const reader = new ConnectionOptionsReader();
        const options = await reader.all()
        return options[0]
      }
})

ConnectionOptionsReader Various configuration files will be loaded internally