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Integrate TiDB Cloud with Netlify

Netlify is an all-in-one platform for automating modern web projects. It replaces your hosting infrastructure, continuous integration, and deployment pipeline with a single workflow and integrates dynamic functionality like serverless functions, user authentication, and form handling as your projects grow.

This document describes how to deploy a fullstack app on Netlify with TiDB Cloud as the database backend. You can also learn how to use Netlify edge function with our TiDB Cloud serverless driver.


Before the deployment, make sure the following prerequisites are met.

A Netlify account and CLI

You are expected to have a Netlify account and CLI. If you do not have any, refer to the following links to create one:

A TiDB Cloud account and a TiDB cluster

You are expected to have an account and a cluster in TiDB Cloud. If you do not have any, refer to the following to create one:

One TiDB Cloud cluster can connect to multiple Netlify sites.

All IP addresses allowed for traffic filter in TiDB Cloud

For TiDB Dedicated clusters, make sure that the traffic filter of the cluster allows all IP addresses (set to for connection. This is because Netlify deployments use dynamic IP addresses.

TiDB Serverless clusters allow all IP addresses for connection by default, so you do not need to configure any traffic filter.

Step 1. Get the example project and the connection string

To help you get started quickly, TiDB Cloud provides a fullstack example app in TypeScript with Next.js using React and Prisma Client. It is a simple blog site where you can post and delete your own blogs. All the content is stored in TiDB Cloud through Prisma.

Fork the example project and clone it to your own space

  1. Fork the Fullstack Example with Next.js and Prisma repository to your own GitHub repository.

  2. Clone the forked repository to your own space:

    git clone${your_username}/nextjs-prisma-example.git cd nextjs-prisma-example/

Get the TiDB Cloud connection string

For a TiDB Serverless cluster, you can get the connection string either from TiDB Cloud CLI or from TiDB Cloud console.

For a TiDB Dedicated cluster, you can get the connection string only from the TiDB Cloud console.

  • TiDB Cloud CLI
  • TiDB Cloud console
  1. Get the connection string of a cluster in interactive mode:

    ticloud cluster connect-info
  2. Follow the prompts to select your cluster, client, and operating system. Note that the client used in this document is Prisma.

    Choose the cluster > [x] Cluster0(13796194496) Choose the client > [x] Prisma Choose the operating system > [x] macOS/Alpine (Detected)

    The output is as follows, where you can find the connection string for Prisma in the url value.

    datasource db { provider = "mysql" url = "mysql://<User>:<Password>@<Endpoint>:<Port>/<Database>?sslaccept=strict" }
  1. In the TiDB Cloud console, go to the Clusters page of your project, click the name of your target cluster to go to its overview page, and then click Connect in the upper-right corner. In the displayed dialog, you can get the following connection parameters from the connection string.

    • ${host}
    • ${port}
    • ${user}
    • ${password}
  2. Fill the connection parameters in the following connection string:


Step 2. Deploy the example app to Netlify

  1. In Netlify CLI, authenticate your Netlify account and obtain an access token.

    netlify login
  2. Start the automatic setup. This step connects your repository for continuous deployment, so Netlify CLI needs access to create a deploy key and a webhook on the repository.

    netlify init

    When you are prompted, choose Create & configure a new site, and grant GitHub access. Use the default values for all other options.

    Adding local .netlify folder to .gitignore file... ? What would you like to do? + Create & configure a new site ? Team: your_username’s team ? Site name (leave blank for a random name; you can change it later): Site Created Admin URL: URL: Site ID: b23d1359-1059-49ed-9d08-ed5dba8e83a2 Linked to mellow-crepe-e2ca2b
? Netlify CLI needs access to your GitHub account to configure Webhooks and Deploy Keys. What would you like to do? Authorize with GitHub through Configuring Next.js runtime... ? Your build command (hugo build/yarn run build/etc): npm run netlify-build ? Directory to deploy (blank for current dir): .next Adding deploy key to repository... (node:36812) ExperimentalWarning: The Fetch API is an experimental feature. This feature could change at any time (Use `node --trace-warnings ...` to show where the warning was created) Deploy key added! Creating Netlify GitHub Notification Hooks... Netlify Notification Hooks configured! Success! Netlify CI/CD Configured! This site is now configured to automatically deploy from github branches & pull requests Next steps: git push Push to your git repository to trigger new site builds netlify open Open the Netlify admin URL of your site ```
  1. Set environment variables. To connect to your TiDB Cloud cluster from your own space and the Netlify space, you need to set the DATABASE_URL as the connection string obtained from Step 1.

    # set the environment variable for your own space export DATABASE_URL='mysql://<User>:<Password>@<Endpoint>:<Port>/<Database>?sslaccept=strict' # set the environment variable for the Netlify space netlify env:set DATABASE_URL 'mysql://<User>:<Password>@<Endpoint>:<Port>/<Database>?sslaccept=strict'

    Check your environment variables.

    # check the environment variable for your own space env | grep DATABASE_URL # check the environment variable for the Netlify space netlify env:list
  2. Build the app locally and migrate the schema to your TiDB Cloud cluster.


    If you want to skip the local deployment and directly deploy the app to Netlify, just go to step 6.

    npm install . npm run netlify-build
  3. Run the application locally. You can start a local development server to preview your site.

    netlify dev

    Then, go to http://localhost:3000/ in your browser to explore its UI.

  4. Deploy the app to Netlify. Once you are satisfied with the local preview, you can deploy your site to Netlify using the following command. --trigger means deployment without uploading local files. If you made any local changes, make sure that you have committed them to your GitHub repository.

    netlify deploy --prod --trigger

    Go to your Netlify console to check the deployment state. After the deployment is done, the site for the app will have a public IP address provided by Netlify so that everyone can access it.

Use the edge function

The example app mentioned in the section above runs on the Netlify serverless function. This section shows you how to use the edge function with TiDB Cloud serverless driver. The edge function is a feature provided by Netlify, which allows you to run serverless functions on the edge of the Netlify CDN.

To use the edge function, take the following steps:

  1. Create a directory named netlify/edge-functions in the root directory of your project.

  2. Create a file named hello.ts in the directory and add the following code:

    import { connect } from '' export default async () => { const conn = connect({url: Netlify.env.get('DATABASE_URL')}) const result = await conn.execute('show databases') return new Response(JSON.stringify(result)); } export const config = { path: "/api/hello" };
  3. Set the DATABASE_URL environment variables. You can get the connection information from the TiDB Cloud console.

    netlify env:set DATABASE_URL 'mysql://<username>:<password>@<host>/<database>'
  4. Deploy the edge function to Netlify.

    netlify deploy --prod --trigger

Then you can go to your Netlify console to check the state of the deployment. After the deployment is done, you can access the edge function through the https://<netlify-host>/api/hello URL.

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