Nest.js Stripe 設定

import { Injectable } from '@nestjs/common';
import Stripe from 'stripe';
import { ConfigService } from '@nestjs/config';

@Injectable()
export class StripeService {
  private stripe: Stripe;
  constructor(private readonly configService: ConfigService) {
    this.stripe = new Stripe(configService.get('STRIPE_SECRET_KEY'), {
      apiVersion: '2020-08-27',
    });
  }

  async createCustomer(email: string): Promise<string | null> {
    const customer = await this.stripe.customers.create({
      email: email,
    });
    return customer?.id;
  }
}