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Before you run the app

Please go through the below details before you run the app.

Environment Variables

For this app to work, you need to configure the following environment variables in your .env.local file so please create a .env.local file in the root of your project right next to readme.md and the file needs to look like this:

NEXT_PUBLIC_FOURSQUARE_API_KEY=<value>
AIRTABLE_API_KEY=<value>
AIRTABLE_BASE_KEY=<value>
NEXT_PUBLIC_UNSPLASH_ACCESS_KEY=<value>

PLEASE NOTE,

You need to configure the above API keys by going to Foursquare, Airtable and Unsplash for their respective keys. To generate API keys for all 3 platforms, you need to sign up, create an account, create a project and generate an API key for each platform. Otherwise, the course walks you through how to create each one of those if you get stuck!

If don't have valid API keys i.e. they are empty, or you don't have a .env.local file with the above keys configured or above keys exists but no values are not configured inside that file then you will get the following error:

Common Errors

If you use Node.js version greater than 16, you may see this problem: vercel/next.js#37300

Example Error:

(node:36337) 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)
wait  - compiling /_error (client and server)...
event - compiled client and server successfully in 33 ms (258 modules)
error - TypeError
    at normalizeAndValidateHeaderValue (node:internal/deps/undici/undici:4210:15)
    at HeadersList.append (node:internal/deps/undici/undici:4268:33)
    at fill (node:internal/deps/undici/undici:4235:19)
    at new Request (node:internal/deps/undici/undici:4982:13)
    at Agent.fetch2 (node:internal/deps/undici/undici:5539:29)
    at Object.fetch (node:internal/deps/undici/undici:6370:20)
    at fetch (node:internal/bootstrap/pre_execution:196:25)
    at fetchCoffeeStores (webpack-internal:///./lib/coffee-stores.js:33:28)
    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)
    at async getStaticProps (webpack-internal:///./pages/index.js:44:26) {
  page: '/'
}
Solution:

Downgrade Node.js version to 16 as v18 ships experimental fetch api that can have breaking changes.

You didn't configure Environment variables as mentioned in this Readme

If don't have valid API keys i.e. they are empty, or you don't have a .env.local file with the above keys configured or above keys exists but no values are not configured inside that file then you will get the following error:

Getting Started

First, run the development server:

npm run dev
# or
yarn dev

Open http://localhost:3000 with your browser to see the result.

You can start editing the page by modifying pages/index.js. The page auto-updates as you edit the file.

API routes can be accessed on http://localhost:3000/api/hello. This endpoint can be edited in pages/api/hello.js.

The pages/api directory is mapped to /api/*. Files in this directory are treated as API routes instead of React pages.

Learn More

To learn more about Next.js, take a look at the following resources:

You can check out the Next.js GitHub repository - your feedback and contributions are welcome!

Deploy on Vercel

The easiest way to deploy your Next.js app is to use the Vercel Platform from the creators of Next.js.

Check out our Next.js deployment documentation for more details.