This repo demonstrates using raw SQL with Neon's serverless driver on Vercel Edge Functions.
We implement a simple app that generates a JSON listing of the user's nearest 10 UNESCO World Heritage sites via IP geolocation (data copyright © 1992 – 2022 UNESCO/World Heritage Centre).
-
Ensure the
psql
client is installed. -
Create a Neon database and make a note of the connection string from the Neon console.
-
Clone this repo, then:
# get dependencies
npm install
npm install -g vercel@latest
# create DATABASE_URL environment variable, remote and local
npx vercel env add DATABASE_URL # paste in the connection string and select all environments
npx vercel env pull .env.local # now bring it down into ./.env.local for local use
# create the schema and copy data to DB
(source .env.local \
&& curl -s https://gist.githubusercontent.com/jawj/a8d53ff339707c65128af83b4783f4fe/raw/45dbcc819b00ecb72f80b0cf91e01b3d055662b5/whc-sites-2021.psql \
| psql $DATABASE_URL)
# test
npx vercel dev
# ... and deploy
npx vercel deploy
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