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fix: remove duplicate neon pooler (#990)

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## Description

Fixes the issue with Vercel preview deployments failing.

It appears that the old `PGHOST` environment variable injected by neon
was:

`ep-snowy-snowflake-a2vc5pa2.eu-central-1.aws.neon.tech`

It is now:

`ep-snowy-snowflake-a2vc5pa2.eu-central-1-pooler.aws.neon.tech`

Notice the `-pooler` being attached automatically to the `PGHOST`.

## References

> The following changes were made to the [Neon Vercel
Integration](https://vercel.com/integrations/neon):
>
>To ensure that users accessing a Neon database from a serverless
environment have enough connections, the DATABASE_URL and PGHOST
environment variables added to a Vercel project by the Neon integration
are now set to a pooled Neon connection string by default. Pooled
connections support up to 10,000 simultaneous connections. Previously,
these variables were set to an unpooled connection string supporting
fewer concurrent connections.

https://neon.tech/docs/changelog

https://neon.tech/docs/guides/vercel#manage-vercel-environment-variables
This commit is contained in:
David Nguyen
2024-03-07 18:17:28 +08:00
committed by GitHub
parent 35b2405921
commit f6eddaa9f6
4 changed files with 19 additions and 24 deletions
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17
scripts/vercel.sh
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@ -6,7 +6,6 @@ set -eo pipefail
# Get the directory of this script, regardless of where it is called from.
SCRIPT_DIR="$(readlink -f "$(dirname "$0")")"
function log() {
echo "[VercelBuild]: $1"
}
@ -69,19 +68,17 @@ function remap_database_integration() {
export NEXT_PRIVATE_DIRECT_DATABASE_URL="$DATABASE_URL"
fi
if [[ ! -z "$DATABASE_URL_UNPOOLED" ]]; then
log "Remapping for Neon integration"
export NEXT_PRIVATE_DATABASE_URL="$DATABASE_URL&pgbouncer=true"
export NEXT_PRIVATE_DIRECT_DATABASE_URL="$DATABASE_URL_UNPOOLED"
fi
if [[ ! -z "$POSTGRES_URL_NON_POOLING" ]]; then
export NEXT_PRIVATE_DATABASE_URL="$POSTGRES_URL?pgbouncer=true"
export NEXT_PRIVATE_DIRECT_DATABASE_URL="$POSTGRES_URL_NON_POOLING"
fi
if [[ "$NEXT_PRIVATE_DATABASE_URL" == *"neon.tech"* ]]; then
log "Remapping for Neon integration"
PROJECT_ID="$(echo "$PGHOST" | cut -d'.' -f1)"
PGBOUNCER_HOST="$(echo "$PGHOST" | sed "s/${PROJECT_ID}/${PROJECT_ID}-pooler/")"
export NEXT_PRIVATE_DATABASE_URL="postgres://${PGUSER}:${PGPASSWORD}@${PGBOUNCER_HOST}/${PGDATABASE}?pgbouncer=true"
fi
}
# Navigate to the root of the project.