use Wasp's new Custom Env Var validation schema for validating integrations

[vincanger]

We currently use a custom env var validation setup but should refactor everything and add validation using Wasp's custom env var vailidation logic, e.g. :

  server: {
    envValidationSchema: import { envValidationSchema } from "@src/server/validation",
  },

// `src/file-upload/validation.ts`

export const fileUploadEnvValidationSchema = z.object({
  AWS_S3_REGION: z.string({ required_error: 'AWS_S3_REGION is required' }),
  AWS_S3_FILES_BUCKET: z.string({ required_error: 'AWS_S3_FILES_BUCKET is required' }),
  AWS_S3_IAM_ACCESS_KEY: z.string({ required_error: 'AWS_S3_IAM_ACCESS_KEY is required' }).regex(/^[A-Z0-9]+$/, 'Invalid AWS IAM access key'),
  AWS_S3_IAM_SECRET_KEY: z.string({ required_error: 'AWS_S3_IAM_SECRET_KEY is required' }).regex(/^[A-Za-z0-9/+=]+$/, 'Invalid AWS IAM secret key'),
});

// `src/server/validation.ts

import { defineEnvValidationSchema } from 'wasp/env';
import { fileUploadEnvValidationSchema } from '../file-upload/validation';

export const envValidationSchema = defineEnvValidationSchema(z.object({
  ...fileUploadEnvValidationSchema.shape,
}));

AWS_S3_IAM_ACCESS_KEY=EXAMPLEACCE55KEY
AWS_S3_IAM_SECRET_KEY=example+Secr3tK3y
AWS_S3_FILES_BUCKET=your-bucket-name
AWS_S3_REGION=your-region