🧑‍💻 Improve env variables type safety and management (#718)

Closes #679

apps/viewer/.env.docker

@@ -1,3 +0,0 @@
-# Don't edit this file
-NEXT_PUBLIC_VIEWER_URL=
-NEXT_PUBLIC_E2E_TEST=

apps/viewer/.env.local.example

@@ -1,15 +0,0 @@
-# Make sure to change this to your own random string of 32 characters (https://docs.typebot.io/self-hosting/docker#2-add-the-required-configuration)
-ENCRYPTION_SECRET=H+KbL/OFrqbEuDy/1zX8bsPG+spXri3S
-NEXT_PUBLIC_VIEWER_URL=http://localhost:3001
-DATABASE_URL=postgresql://postgres:typebot@localhost:5432/typebot
-NEXTAUTH_URL=http://localhost:3000
-
-S3_ACCESS_KEY=minio
-S3_SECRET_KEY=minio123
-S3_BUCKET=typebot
-S3_PORT=9000
-S3_ENDPOINT=localhost
-S3_SSL=false
-
-# For more configuration options check out:
-# https://docs.typebot.io/self-hosting/configuration

apps/viewer/.eslintignore

@@ -1 +0,0 @@
-next.config.js

apps/viewer/next.config.mjs

@@ -1,5 +1,14 @@
-const { withSentryConfig } = require('@sentry/nextjs')
-const path = require('path')
+import { withSentryConfig } from '@sentry/nextjs'
+import { join, dirname } from 'path'
+import '@typebot.io/env/dist/env.mjs'
+import { fileURLToPath } from 'url'
+import { configureRuntimeEnv } from 'next-runtime-env/build/configure.js'
+
+const __filename = fileURLToPath(import.meta.url)
+
+const __dirname = dirname(__filename)
+
+configureRuntimeEnv()
 
 const landingPagePaths = [
   '/',
@@ -20,7 +29,7 @@ const nextConfig = {
   ],
   output: 'standalone',
   experimental: {
-    outputFileTracingRoot: path.join(__dirname, '../../'),
+    outputFileTracingRoot: join(__dirname, '../../'),
   },
   async rewrites() {
     return {
@@ -130,7 +139,7 @@ const sentryWebpackPluginOptions = {
   release: process.env.NEXT_PUBLIC_VERCEL_GIT_COMMIT_SHA + '-viewer',
 }
 
-module.exports = process.env.NEXT_PUBLIC_SENTRY_DSN
+export default process.env.NEXT_PUBLIC_SENTRY_DSN
   ? withSentryConfig(
       {
         ...nextConfig,

apps/viewer/package.json

@@ -3,22 +3,20 @@
   "license": "AGPL-3.0-or-later",
   "version": "0.1.0",
   "scripts": {
-    "dev": "cross-env ENVSH_ENV=.env.local bash ../../scripts/inject-runtime-env.sh next dev -p 3001",
-    "build": "cross-env ENVSH_ENV=.env.local bash ../../scripts/inject-runtime-env.sh next build",
-    "build:docker": "next build",
-    "build:env": "cd ../.. && cross-env ENVSH_ENV=./apps/viewer/.env.docker ENVSH_OUTPUT=./apps/viewer/public/__env.js bash scripts/inject-runtime-env.sh",
-    "start": "next start -p 3001",
-    "lint": "next lint",
-    "test": "pnpm playwright test",
+    "dev": "dotenv -e ./.env -e ../../.env  -- next dev -p 3001",
+    "build": "dotenv -e ./.env -e ../../.env -- next build",
+    "start": "dotenv -e ./.env -e ../../.env -- next start",
+    "lint": "dotenv -e ./.env -e ../../.env -- next lint",
+    "test": "dotenv -e ./.env -e ../../.env -- pnpm playwright test",
     "test:report": "pnpm playwright show-report"
   },
   "dependencies": {
     "@planetscale/database": "^1.8.0",
     "@sentry/nextjs": "7.58.1",
     "@trpc/server": "10.34.0",
-    "@typebot.io/prisma": "workspace:*",
     "@typebot.io/nextjs": "workspace:*",
-    "ai": "2.2.8",
+    "@typebot.io/prisma": "workspace:*",
+    "ai": "2.1.32",
     "aws-sdk": "2.1415.0",
     "bot-engine": "workspace:*",
     "cors": "2.8.5",
@@ -43,6 +41,7 @@
     "@paralleldrive/cuid2": "2.2.1",
     "@playwright/test": "1.36.0",
     "@typebot.io/emails": "workspace:*",
+    "@typebot.io/env": "workspace:*",
     "@typebot.io/lib": "workspace:*",
     "@typebot.io/schemas": "workspace:*",
     "@typebot.io/tsconfig": "workspace:*",
@@ -53,7 +52,8 @@
     "@types/qs": "6.9.7",
     "@types/react": "18.2.15",
     "@types/sanitize-html": "2.9.0",
-    "dotenv": "16.3.1",
+    "dotenv-cli": "^7.2.1",
+    "next-runtime-env": "^1.6.2",
     "eslint": "8.44.0",
     "eslint-config-custom": "workspace:*",
     "google-auth-library": "8.9.0",

apps/viewer/sentry.client.config.js

@@ -1,9 +1,7 @@
 import * as Sentry from '@sentry/nextjs'
 
-const SENTRY_DSN = process.env.SENTRY_DSN || process.env.NEXT_PUBLIC_SENTRY_DSN
-
 Sentry.init({
-  dsn: SENTRY_DSN,
+  dsn: process.env.NEXT_PUBLIC_SENTRY_DSN,
   ignoreErrors: [
     'ResizeObserver loop limit exceeded',
     'ResizeObserver loop completed with undelivered notifications.',

apps/viewer/sentry.server.config.js

@@ -1,8 +1,6 @@
 import * as Sentry from '@sentry/nextjs'
 
-const SENTRY_DSN = process.env.SENTRY_DSN || process.env.NEXT_PUBLIC_SENTRY_DSN
-
 Sentry.init({
-  dsn: SENTRY_DSN,
+  dsn: process.env.NEXT_PUBLIC_SENTRY_DSN,
   release: process.env.NEXT_PUBLIC_VERCEL_GIT_COMMIT_SHA + '-viewer',
 })

apps/viewer/src/components/ErrorPage.tsx

@@ -1,5 +1,5 @@
 import React from 'react'
-import { getViewerUrl, isEmpty } from '@typebot.io/lib'
+import { getViewerUrl } from '@typebot.io/lib'
 
 export const ErrorPage = ({ error }: { error: Error }) => {
   return (
@@ -13,7 +13,7 @@ export const ErrorPage = ({ error }: { error: Error }) => {
         padding: '0 1rem',
       }}
     >
-      {isEmpty(getViewerUrl()) ? (
+      {!getViewerUrl() ? (
         <>
           <h1 style={{ fontWeight: 'bold', fontSize: '30px' }}>
             NEXT_PUBLIC_VIEWER_URL is missing

apps/viewer/src/features/blocks/inputs/fileUpload/api/getUploadUrl.ts

@@ -11,6 +11,7 @@ import {
 import { byId, isDefined } from '@typebot.io/lib'
 import { z } from 'zod'
 import { generatePresignedUrl } from '@typebot.io/lib/api/storage'
+import { env } from '@typebot.io/env'
 
 export const getUploadUrl = publicProcedure
   .meta({
@@ -39,11 +40,7 @@ export const getUploadUrl = publicProcedure
     })
   )
   .query(async ({ input: { typebotId, blockId, filePath, fileType } }) => {
-    if (
-      !process.env.S3_ENDPOINT ||
-      !process.env.S3_ACCESS_KEY ||
-      !process.env.S3_SECRET_KEY
-    )
+    if (!env.S3_ENDPOINT || !env.S3_ACCESS_KEY || !env.S3_SECRET_KEY)
       throw new TRPCError({
         code: 'INTERNAL_SERVER_ERROR',
         message:

apps/viewer/src/features/blocks/inputs/fileUpload/fileUpload.spec.ts

@@ -10,6 +10,7 @@ import {
 } from '@typebot.io/lib/playwright/databaseActions'
 import { getTestAsset } from '@/test/utils/playwright'
 import { Plan } from '@typebot.io/prisma'
+import { env } from '@typebot.io/env'
 
 const THREE_GIGABYTES = 3 * 1024 * 1024 * 1024
 
@@ -30,7 +31,7 @@ test('should work as expected', async ({ page, browser }) => {
   await expect(page.locator(`text="3"`)).toBeVisible()
   await page.locator('text="Upload 3 files"').click()
   await expect(page.locator(`text="3 files uploaded"`)).toBeVisible()
-  await page.goto(`${process.env.NEXTAUTH_URL}/typebots/${typebotId}/results`)
+  await page.goto(`${env.NEXTAUTH_URL}/typebots/${typebotId}/results`)
   await expect(page.getByRole('link', { name: 'api.json' })).toHaveAttribute(
     'href',
     /.+\/api\.json/
@@ -52,7 +53,7 @@ test('should work as expected', async ({ page, browser }) => {
   const file = readFileSync(downloadPath as string).toString()
   const { data } = parse(file)
   expect(data).toHaveLength(2)
-  expect((data[1] as unknown[])[1]).toContain(process.env.S3_ENDPOINT)
+  expect((data[1] as unknown[])[1]).toContain(env.S3_ENDPOINT)
 
   const urls = (
     await Promise.all(
@@ -110,7 +111,7 @@ test.describe('Storage limit is reached', () => {
     await page.evaluate(() =>
       window.localStorage.setItem('workspaceId', 'starterWorkspace')
     )
-    await page.goto(`${process.env.NEXTAUTH_URL}/typebots/${typebotId}/results`)
+    await page.goto(`${env.NEXTAUTH_URL}/typebots/${typebotId}/results`)
     await expect(page.locator('text="150%"')).toBeVisible()
   })
 })

apps/viewer/src/features/blocks/integrations/chatwoot/executeChatwootBlock.ts

@@ -2,6 +2,7 @@ import { ExecuteIntegrationResponse } from '@/features/chat/types'
 import { extractVariablesFromText } from '@/features/variables/extractVariablesFromText'
 import { parseGuessedValueType } from '@/features/variables/parseGuessedValueType'
 import { parseVariables } from '@/features/variables/parseVariables'
+import { env } from '@typebot.io/env'
 import { isDefined } from '@typebot.io/lib'
 import {
   ChatwootBlock,
@@ -30,7 +31,7 @@ const parseChatwootOpenCode = ({
   const openChatwoot = `${parseSetUserCode(user, resultId)}
   window.$chatwoot.setCustomAttributes({
     typebot_result_url: "${
-      process.env.NEXTAUTH_URL
+      env.NEXTAUTH_URL
     }/typebots/${typebotId}/results?id=${resultId}",
   });
   window.$chatwoot.toggle("open");

apps/viewer/src/features/blocks/integrations/sendEmail/constants.ts

@@ -1,14 +1,16 @@
+import { env } from '@typebot.io/env'
+
 export const defaultTransportOptions = {
-  host: process.env.SMTP_HOST,
-  port: Number(process.env.SMTP_PORT),
-  secure: process.env.SMTP_SECURE ? process.env.SMTP_SECURE === 'true' : false,
+  host: env.SMTP_HOST,
+  port: env.SMTP_PORT,
+  secure: env.SMTP_SECURE,
   auth: {
-    user: process.env.SMTP_USERNAME,
-    pass: process.env.SMTP_PASSWORD,
+    user: env.SMTP_USERNAME,
+    pass: env.SMTP_PASSWORD,
   },
 }
 
 export const defaultFrom = {
-  name: process.env.SMTP_FROM?.split(' <')[0].replace(/"/g, ''),
-  email: process.env.SMTP_FROM?.match(/<(.*)>/)?.pop(),
+  name: env.NEXT_PUBLIC_SMTP_FROM?.split(' <')[0].replace(/"/g, ''),
+  email: env.NEXT_PUBLIC_SMTP_FROM?.match(/<(.*)>/)?.pop(),
 }

apps/viewer/src/features/blocks/integrations/sendEmail/executeSendEmailBlock.tsx

@@ -20,6 +20,7 @@ import { decrypt } from '@typebot.io/lib/api'
 import { defaultFrom, defaultTransportOptions } from './constants'
 import { ExecuteIntegrationResponse } from '@/features/chat/types'
 import { findUniqueVariableValue } from '../../../variables/findUniqueVariableValue'
+import { env } from '@typebot.io/env'
 
 export const executeSendEmailBlock = async (
   state: SessionState,
@@ -186,7 +187,7 @@ const getEmailInfo = async (
   if (credentialsId === 'default')
     return {
       host: defaultTransportOptions.host,
-      port: defaultTransportOptions.port,
+      port: defaultTransportOptions.port ?? 22,
       username: defaultTransportOptions.auth.user,
       password: defaultTransportOptions.auth.pass,
       isTlsEnabled: undefined,
@@ -226,7 +227,7 @@ const getEmailBody = async ({
   return {
     html: render(
       <DefaultBotNotificationEmail
-        resultsUrl={`${process.env.NEXTAUTH_URL}/typebots/${typebot.id}/results`}
+        resultsUrl={`${env.NEXTAUTH_URL}/typebots/${typebot.id}/results`}
         answers={omit(answers, 'submittedAt')}
       />
     ).html,

apps/viewer/src/features/blocks/integrations/sendEmail/sendEmail.spec.ts

@@ -4,6 +4,7 @@ import { createId } from '@paralleldrive/cuid2'
 import { importTypebotInDatabase } from '@typebot.io/lib/playwright/databaseActions'
 import { getTestAsset } from '@/test/utils/playwright'
 import { SmtpCredentials } from '@typebot.io/schemas'
+import { env } from '@typebot.io/env'
 
 export const mockSmtpCredentials: SmtpCredentials['data'] = {
   from: {
@@ -34,7 +35,7 @@ test('should send an email', async ({ page }) => {
   await page.goto(`/${typebotId}-public`)
   await page.locator('text=Send email').click()
   await expect(page.getByText('Email sent!')).toBeVisible()
-  await page.goto(`${process.env.NEXTAUTH_URL}/typebots/${typebotId}/results`)
+  await page.goto(`${env.NEXTAUTH_URL}/typebots/${typebotId}/results`)
   await page.click('text="See logs"')
   await expect(page.locator('text="Email successfully sent"')).toBeVisible()
 })

apps/viewer/src/features/blocks/logic/typebotLink/typebotLink.spec.ts

@@ -1,5 +1,6 @@
 import { getTestAsset } from '@/test/utils/playwright'
 import test, { expect } from '@playwright/test'
+import { env } from '@typebot.io/env'
 import { importTypebotInDatabase } from '@typebot.io/lib/playwright/databaseActions'
 
 const typebotId = 'cl0ibhi7s0018n21aarlmg0cm'
@@ -33,7 +34,7 @@ test('should work as expected', async ({ page }) => {
   await page.locator('input').fill('Hello there!')
   await page.locator('input').press('Enter')
   await expect(page.getByText('Cheers!')).toBeVisible()
-  await page.goto(`${process.env.NEXTAUTH_URL}/typebots/${typebotId}/results`)
+  await page.goto(`${env.NEXTAUTH_URL}/typebots/${typebotId}/results`)
   await expect(page.locator('text=Hello there!')).toBeVisible()
 })
 

apps/viewer/src/features/chat/api/sendMessage.ts

@@ -16,7 +16,7 @@ import {
   Variable,
   VariableWithValue,
 } from '@typebot.io/schemas'
-import { env, isDefined, isNotEmpty, omit } from '@typebot.io/lib'
+import { isDefined, isNotEmpty, omit } from '@typebot.io/lib'
 import { prefillVariables } from '@/features/variables/prefillVariables'
 import { injectVariablesFromExistingResult } from '@/features/variables/injectVariablesFromExistingResult'
 import { deepParseVariables } from '@/features/variables/deepParseVariable'
@@ -30,6 +30,7 @@ import { findTypebot } from '../queries/findTypebot'
 import { findPublicTypebot } from '../queries/findPublicTypebot'
 import { findResult } from '../queries/findResult'
 import { createId } from '@paralleldrive/cuid2'
+import { env } from '@typebot.io/env'
 
 export const sendMessage = publicProcedure
   .meta({
@@ -257,7 +258,7 @@ const getTypebot = async (
   userId?: string
 ): Promise<StartTypebot> => {
   if (typeof typebot !== 'string') return typebot
-  if (isPreview && !userId && env('E2E_TEST') !== 'true')
+  if (isPreview && !userId && !env.NEXT_PUBLIC_E2E_TEST)
     throw new TRPCError({
       code: 'UNAUTHORIZED',
       message:

apps/viewer/src/features/results/results.spec.ts

@@ -2,6 +2,7 @@ import { getTestAsset } from '@/test/utils/playwright'
 import test, { expect } from '@playwright/test'
 import { createId } from '@paralleldrive/cuid2'
 import { importTypebotInDatabase } from '@typebot.io/lib/playwright/databaseActions'
+import { env } from '@typebot.io/env'
 
 test('Big groups should work as expected', async ({ page }) => {
   const typebotId = createId()
@@ -15,7 +16,7 @@ test('Big groups should work as expected', async ({ page }) => {
   await page.locator('input').fill('26')
   await page.locator('input').press('Enter')
   await page.getByRole('button', { name: 'Yes' }).click()
-  await page.goto(`${process.env.NEXTAUTH_URL}/typebots/${typebotId}/results`)
+  await page.goto(`${env.NEXTAUTH_URL}/typebots/${typebotId}/results`)
   await expect(page.locator('text="Baptiste"')).toBeVisible()
   await expect(page.locator('text="26"')).toBeVisible()
   await expect(page.locator('text="Yes"')).toBeVisible()

apps/viewer/src/helpers/api/dbRules.ts

@@ -4,7 +4,7 @@ import {
   User,
   WorkspaceRole,
 } from '@typebot.io/prisma'
-import { env } from '@typebot.io/lib'
+import { env } from '@typebot.io/env'
 
 const parseWhereFilter = (
   typebotIds: string[] | string,
@@ -24,8 +24,8 @@ const parseWhereFilter = (
     {
       id: typeof typebotIds === 'string' ? typebotIds : { in: typebotIds },
       workspace:
-        (type === 'read' && user.email === process.env.ADMIN_EMAIL) ||
-        env('E2E_TEST') === 'true'
+        (type === 'read' && user.email === env.ADMIN_EMAIL) ||
+        env.NEXT_PUBLIC_E2E_TEST
           ? undefined
           : {
               members: {

apps/viewer/src/helpers/api/isPlanetScale.ts

@@ -1,2 +1,3 @@
-export const isPlaneteScale = () =>
-  process.env.DATABASE_URL?.includes('pscale_pw')
+import { env } from '@typebot.io/env'
+
+export const isPlaneteScale = () => env.DATABASE_URL?.includes('pscale_pw')

apps/viewer/src/helpers/api/isVercel.ts

@@ -1,3 +1,3 @@
-import { isDefined } from '@typebot.io/lib/utils'
+import { env } from '@typebot.io/env'
 
-export const isVercel = () => isDefined(process.env.NEXT_PUBLIC_VERCEL_ENV)
+export const isVercel = () => env.NEXT_PUBLIC_VERCEL_ENV

apps/viewer/src/lib/google-sheets.ts

@@ -4,6 +4,7 @@ import { GoogleSheetsCredentials } from '@typebot.io/schemas'
 import { isDefined } from '@typebot.io/lib'
 import { decrypt, encrypt } from '@typebot.io/lib/api'
 import prisma from './prisma'
+import { env } from '@typebot.io/env'
 
 export const getAuthenticatedGoogleClient = async (
   credentialsId: string
@@ -18,9 +19,9 @@ export const getAuthenticatedGoogleClient = async (
   )) as GoogleSheetsCredentials['data']
 
   const oauth2Client = new OAuth2Client(
-    process.env.GOOGLE_CLIENT_ID,
-    process.env.GOOGLE_CLIENT_SECRET,
-    `${process.env.NEXTAUTH_URL}/api/credentials/google-sheets/callback`
+    env.GOOGLE_CLIENT_ID,
+    env.GOOGLE_CLIENT_SECRET,
+    `${env.NEXTAUTH_URL}/api/credentials/google-sheets/callback`
   )
   oauth2Client.setCredentials(data)
   oauth2Client.on('tokens', updateTokens(credentialsId, data))

apps/viewer/src/lib/prisma.ts

@@ -1,9 +1,10 @@
+import { env } from '@typebot.io/env'
 import { PrismaClient } from '@typebot.io/prisma'
 
 declare const global: { prisma: PrismaClient }
 let prisma: PrismaClient
 
-if (process.env.NODE_ENV === 'production') {
+if (env.NODE_ENV === 'production') {
   prisma = new PrismaClient()
 } else {
   if (!global.prisma) {

apps/viewer/src/pages/[[...publicId]].tsx

@@ -2,10 +2,11 @@ import { IncomingMessage } from 'http'
 import { ErrorPage } from '@/components/ErrorPage'
 import { NotFoundPage } from '@/components/NotFoundPage'
 import { GetServerSideProps, GetServerSidePropsContext } from 'next'
-import { env, getViewerUrl, isNotDefined } from '@typebot.io/lib'
+import { isNotDefined } from '@typebot.io/lib'
 import prisma from '../lib/prisma'
 import { TypebotPageProps, TypebotPageV2 } from '@/components/TypebotPageV2'
 import { TypebotPageV3, TypebotV3PageProps } from '@/components/TypebotPageV3'
+import { env } from '@typebot.io/env'
 
 // Browsers that doesn't support ES modules and/or web components
 const incompatibleBrowsers = [
@@ -24,7 +25,7 @@ const incompatibleBrowsers = [
 ]
 
 const log = (message: string) => {
-  if (process.env.DEBUG !== 'true') return
+  if (!env.DEBUG) return
   console.log(`[DEBUG] ${message}`)
 }
 
@@ -41,19 +42,18 @@ export const getServerSideProps: GetServerSideProps = async (
   log(`forwardedHost: ${forwardedHost}`)
   try {
     if (!host) return { props: {} }
-    const viewerUrls = (getViewerUrl({ returnAll: true }) ?? '').split(',')
+    const viewerUrls = env.NEXT_PUBLIC_VIEWER_URL
     log(`viewerUrls: ${viewerUrls}`)
-    const isMatchingViewerUrl =
-      env('E2E_TEST') === 'true'
-        ? true
-        : viewerUrls.some(
-            (url) =>
-              host.split(':')[0].includes(url.split('//')[1].split(':')[0]) ||
-              (forwardedHost &&
-                forwardedHost
-                  .split(':')[0]
-                  .includes(url.split('//')[1].split(':')[0]))
-          )
+    const isMatchingViewerUrl = env.NEXT_PUBLIC_E2E_TEST
+      ? true
+      : viewerUrls.some(
+          (url) =>
+            host.split(':')[0].includes(url.split('//')[1].split(':')[0]) ||
+            (forwardedHost &&
+              forwardedHost
+                .split(':')[0]
+                .includes(url.split('//')[1].split(':')[0]))
+        )
     log(`isMatchingViewerUrl: ${isMatchingViewerUrl}`)
     const customDomain = `${forwardedHost ?? host}${
       pathname === '/' ? '' : pathname

apps/viewer/src/pages/_document.tsx

@@ -4,7 +4,7 @@ import { Html, Head, Main, NextScript } from 'next/document'
 const Document = () => (
   <Html translate="no">
     <Head>
-      <script src="/__env.js" />
+      <script src="/__ENV.js" />
     </Head>
     <body>
       <Main />

apps/viewer/src/pages/api/integrations/openai/streamer.ts

@@ -1,5 +1,6 @@
 import { getChatCompletionStream } from '@/features/blocks/integrations/openai/getChatCompletionStream'
 import { connect } from '@planetscale/database'
+import { env } from '@typebot.io/env'
 import { IntegrationBlockType, SessionState } from '@typebot.io/schemas'
 import { StreamingTextResponse } from 'ai'
 import { ChatCompletionRequestMessage } from 'openai'
@@ -29,7 +30,7 @@ const handler = async (req: Request) => {
 
   if (!messages) return new Response('No messages provided', { status: 400 })
 
-  const conn = connect({ url: process.env.DATABASE_URL })
+  const conn = connect({ url: env.DATABASE_URL })
 
   const chatSession = await conn.execute(
     'select state from ChatSession where id=?',

apps/viewer/src/pages/api/typebots/[typebotId]/integrations/email.tsx

@@ -17,22 +17,23 @@ import { render } from '@faire/mjml-react/utils/render'
 import prisma from '@/lib/prisma'
 import { saveErrorLog } from '@/features/logs/saveErrorLog'
 import { saveSuccessLog } from '@/features/logs/saveSuccessLog'
+import { env } from '@typebot.io/env'
 
 const cors = initMiddleware(Cors())
 
 const defaultTransportOptions = {
-  host: process.env.SMTP_HOST,
-  port: Number(process.env.SMTP_PORT),
-  secure: process.env.SMTP_SECURE ? process.env.SMTP_SECURE === 'true' : false,
+  host: env.SMTP_HOST,
+  port: env.SMTP_PORT,
+  secure: env.SMTP_SECURE,
   auth: {
-    user: process.env.SMTP_USERNAME,
-    pass: process.env.SMTP_PASSWORD,
+    user: env.SMTP_USERNAME,
+    pass: env.SMTP_PASSWORD,
   },
 }
 
 const defaultFrom = {
-  name: process.env.SMTP_FROM?.split(' <')[0].replace(/"/g, ''),
-  email: process.env.SMTP_FROM?.match(/<(.*)>/)?.pop(),
+  name: env.NEXT_PUBLIC_SMTP_FROM?.split(' <')[0].replace(/"/g, ''),
+  email: env.NEXT_PUBLIC_SMTP_FROM?.match(/<(.*)>/)?.pop(),
 }
 
 const handler = async (req: NextApiRequest, res: NextApiResponse) => {
@@ -159,7 +160,7 @@ const getEmailInfo = async (
   if (credentialsId === 'default')
     return {
       host: defaultTransportOptions.host,
-      port: defaultTransportOptions.port,
+      port: defaultTransportOptions.port as number,
       username: defaultTransportOptions.auth.user,
       password: defaultTransportOptions.auth.pass,
       isTlsEnabled: undefined,
@@ -213,7 +214,7 @@ const getEmailBody = async ({
   return {
     html: render(
       <DefaultBotNotificationEmail
-        resultsUrl={`${process.env.NEXTAUTH_URL}/typebots/${typebot.id}/results`}
+        resultsUrl={`${env.NEXTAUTH_URL}/typebots/${typebot.id}/results`}
         answers={omit(answers, 'submittedAt')}
       />
     ).html,