TypeScript 
import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
import { from } from 'rxjs';
import { PrismaClient } from '@prisma-types/farm';
import { withOptimize } from '@prisma/extension-optimize';
import { ConfigService } from '@nestjs/config';

@Injectable()
export class PrismaMainMSClient extends PrismaClient implements OnModuleInit {
    private readonly logger: Logger = new Logger(`PrismaMainMSClient`);

    constructor(
        private configService: ConfigService,
    ) {
        super();

        // Attempt to disconnect Prisma when server is interrupted
        process.on('SIGINT', (): void => {
            from(
                this.$disconnect(),
            )
                .subscribe({
                    next: (): void => {
                        this.logger.log(`\tPrisma Client disconnected`);
                        process.exit(0);
                    },
                    error: (): void => {
                        this.logger.error(`\tPrisma Client failed to disconnect!`);
                        process.exit(1);
                    },
                });
        });

    }

    /**
     * 
     */
    public async onModuleInit(

    ): Promise<void> {
        const customPrismaClient: any = new PrismaClient()
            .$extends(
                withOptimize({ apiKey: this.configService.getOrThrow('OPTIMIZE_API_KEY') }),
            );

        Object.assign(this, customPrismaClient);

        await this.$connect();

        console.log('Database initialized!');
    }
}

TypeScript 
import { Injectable, Logger, OnModuleInit } from '@nestjs/common';
import { from } from 'rxjs';
import { PrismaClient } from '@prisma-types/farm';
import { withOptimize } from '@prisma/extension-optimize';
import { ConfigService } from '@nestjs/config';

@Injectable()
export class PrismaMainMSClient extends PrismaClient implements OnModuleInit {
    private readonly logger: Logger = new Logger(`PrismaMainMSClient`);

    constructor(
        private configService: ConfigService,
    ) {
        super();

        // Attempt to disconnect Prisma when server is interrupted
        process.on('SIGINT', (): void => {
            from(
                this.$disconnect(),
            )
                .subscribe({
                    next: (): void => {
                        this.logger.log(`\tPrisma Client disconnected`);
                        process.exit(0);
                    },
                    error: (): void => {
                        this.logger.error(`\tPrisma Client failed to disconnect!`);
                        process.exit(1);
                    },
                });
        });

    }

    /**
     * 
     */
    public async onModuleInit(

    ): Promise<void> {
        const customPrismaClient: any = new PrismaClient()
            .$extends(
                withOptimize({ apiKey: this.configService.getOrThrow('OPTIMIZE_API_KEY') }),
            );

        Object.assign(this, customPrismaClient);

        await this.$connect();

        console.log('Database initialized!');
    }
}