Environment Setup

MkSaaS requires several environment variables to function properly, and this guide explains how to set them up.

Create a .env file in the root directory of your project, and never commit it to version control.

You can copy the example file as a starting point:

cp env.example .env

Environment Variables

Variable	Description
NEXT_PUBLIC_BASE_URL	The public URL of your site, e.g. `http://localhost:3000` for development, `https://yourdomain.com` for production
PORT	The port number to run the server on in development mode, e.g. `3005`, default is `3000`. No need to set in production mode.

Learn how to set up a database in the Database Setup guide.

Variable	Description
DATABASE_URL	Database connection URL

Learn how to set up authentication in the Authentication Setup guide.

Variable	Description
BETTER_AUTH_SECRET	A random string used to hash tokens and sign cookies
GOOGLE_CLIENT_ID	Google OAuth client ID (optional)
GOOGLE_CLIENT_SECRET	Google OAuth client secret (optional)
GITHUB_CLIENT_ID	GitHub OAuth client ID (optional)
GITHUB_CLIENT_SECRET	GitHub OAuth client secret (optional)

Learn how to set up email in the Email Setup guide.

Variable	Description
RESEND_API_KEY	API key for Resend email service

Learn how to set up newsletter in the Newsletter Setup guide.

Variable	Description
RESEND_API_KEY	API key for Resend email service
RESEND_AUDIENCE_ID	Audience ID for Resend broadcast service

Learn how to set up storage in the Storage Setup guide.

Variable	Description
STORAGE_REGION	Region for the storage bucket
STORAGE_BUCKET_NAME	Name of the storage bucket
STORAGE_ACCESS_KEY_ID	Access key ID for the storage bucket
STORAGE_SECRET_ACCESS_KEY	Secret access key for the storage bucket
STORAGE_ENDPOINT	Endpoint for the storage bucket
STORAGE_FORCE_PATH_STYLE	Force path style for the storage bucket
STORAGE_PUBLIC_URL	Public URL for the storage bucket

Learn how to set up payments in the Payment Setup guide.

Variable	Description
STRIPE_SECRET_KEY	Stripe secret key
STRIPE_WEBHOOK_SECRET	Stripe webhook signing secret
NEXT_PUBLIC_STRIPE_PRICE_PRO_MONTHLY	Stripe price ID for your pro monthly subscription
NEXT_PUBLIC_STRIPE_PRICE_PRO_YEARLY	Stripe price ID for your pro yearly subscription
NEXT_PUBLIC_STRIPE_PRICE_LIFETIME	Stripe price ID for your lifetime subscription

Learn how to set up analytics in the Analytics Setup guide.

Variable	Description
GOOGLE_ANALYTICS_ID	Google Analytics ID for analytics features
UMAMI_WEBSITE_ID	Umami Analytics website ID for analytics features
UMAMI_SCRIPT	Umami Analytics script URL for analytics features
OPENPANEL_CLIENT_ID	OpenPanel Analytics client ID for analytics features
PLAUSIBLE_DOMAIN	Plausible Analytics domain for analytics features
PLAUSIBLE_SCRIPT	Plausible Analytics script URL for analytics features
Seline_TOKEN	Seline Analytics token for analytics features
DATAFAST_ANALYTICS_ID	DataFast Analytics ID for analytics features
DATAFAST_ANALYTICS_DOMAIN	DataFast Analytics domain for analytics features

Learn how to set up AI features in the AI Setup guide.

Variable	Description
OPENAI_API_KEY	OpenAI API key for AI features
GOOGLE_API_KEY	Google API key for AI features
DEEPSEEK_API_KEY	DeepSeek API key for AI features

Some other configurations are also available in the .env file, you may need to set them up depending on your needs.

Variable	Description
DISABLE_IMAGE_OPTIMIZATION	Disable image optimization, if you deploy your website to Vercel, image optimization is enabled by default, and may cost you more money
NEXT_PUBLIC_DEMO_WEBSITE	Run this website as demo website, I use this for MkSaaS demo website. In most cases, you should not set this or leave it to `false`
DISCORD_WEBHOOK_URL	Discord webhook URL for receiving notifications of successful payments
NEXT_PUBLIC_DISCORD_WIDGET_SERVER_ID	Discord server ID for the widget in the bottom right corner
NEXT_PUBLIC_DISCORD_WIDGET_CHANNEL_ID	Discord channel ID for the widget in the bottom right corner

If you want to use the Discord widget, you need to invite the bot to your Discord server first, and you can get started by following this tutorial.
After setting up the Discord widget bot, you need to set the NEXT_PUBLIC_DISCORD_WIDGET_SERVER_ID and NEXT_PUBLIC_DISCORD_WIDGET_CHANNEL_ID environment variables.