serverless-friendly postgres connection

database/postgres.ts

@@ -1,5 +1,7 @@
-import { Pool } from "pg";
-import { Kysely, PostgresDialect } from "kysely";
+// import { Pool } from "pg";
+import { neon } from "@neondatabase/serverless";
+import { Kysely /*PostgresDialect*/ } from "kysely";
+import { NeonDialect } from "kysely-neon";
 import type Database from "./generated/Database";
 import type {
   ConversationEntity,
@@ -10,13 +12,17 @@ import type {
 import type { CommittedMessage } from "../types";
 import { env } from "../server/env.js";
 
-export const pool = new Pool({
-  connectionString: env.POSTGRES_CONNECTION_STRING as string,
-  // channelBinding: require ?
-});
+// export const pool = new Pool({
+//   connectionString: env.POSTGRES_CONNECTION_STRING as string,
+//   // channelBinding: require ?
+// });
+
+// const dialect = new PostgresDialect({
+//   pool,
+// });
 
-const dialect = new PostgresDialect({
-  pool,
+const dialect = new NeonDialect({
+  neon: neon(env.POSTGRES_CONNECTION_STRING as string),
 });
 
 // Database interface is passed to Kysely's constructor, and from now on, Kysely

package.json

@@ -17,6 +17,7 @@
     "@hono/node-server": "^1.14.4",
     "@mantine/core": "^8.1.1",
     "@mantine/hooks": "^8.1.1",
+    "@neondatabase/serverless": "^1.0.1",
     "@openrouter/ai-sdk-provider": "^1.1.2",
     "@sinclair/typebox": "^0.34.37",
     "@tabler/icons-react": "^3.34.1",
@@ -33,6 +34,7 @@
     "hono": "^4.8.2",
     "immer": "^10.1.1",
     "kysely": "^0.28.2",
+    "kysely-neon": "^2.0.1",
     "lowdb": "^7.0.1",
     "nanoid": "^5.1.5",
     "pg": "^8.16.3",

pnpm-lock.yaml

@@ -26,6 +26,9 @@ importers:
       '@mantine/hooks':
         specifier: ^8.1.1
         version: 8.1.2(react@19.1.0)
+      '@neondatabase/serverless':
+        specifier: ^1.0.1
+        version: 1.0.1
       '@openrouter/ai-sdk-provider':
         specifier: ^1.1.2
         version: 1.1.2(ai@5.0.9(zod@4.0.17))(zod@4.0.17)
@@ -74,6 +77,9 @@ importers:
       kysely:
         specifier: ^0.28.2
         version: 0.28.2
+      kysely-neon:
+        specifier: ^2.0.1
+        version: 2.0.1(@neondatabase/serverless@1.0.1)(kysely@0.28.2)
       lowdb:
         specifier: ^7.0.1
         version: 7.0.1
@@ -980,6 +986,10 @@ packages:
     peerDependencies:
       react: ^18.x || ^19.x
 
+  '@neondatabase/serverless@1.0.1':
+    resolution: {integrity: sha512-O6yC5TT0jbw86VZVkmnzCZJB0hfxBl0JJz6f+3KHoZabjb/X08r9eFA+vuY06z1/qaovykvdkrXYq3SPUuvogA==}
+    engines: {node: '>=19.0.0'}
+
   '@nodelib/fs.scandir@2.1.5':
     resolution: {integrity: sha512-vq24Bq3ym5HEQm2NKCr3yXDwjc7vTsEThRDnkp2DK9p1uqLR+DHurm/NOTo0KG7HYHU7eppKZj3MyqYuMBf62g==}
     engines: {node: '>= 8'}
@@ -1225,6 +1235,9 @@ packages:
   '@types/node@20.19.1':
     resolution: {integrity: sha512-jJD50LtlD2dodAEO653i3YF04NWak6jN3ky+Ri3Em3mGR39/glWiboM/IePaRbgwSfqM1TpGXfAg8ohn/4dTgA==}
 
+  '@types/node@22.18.3':
+    resolution: {integrity: sha512-gTVM8js2twdtqM+AE2PdGEe9zGQY4UvmFjan9rZcVb6FGdStfjWoWejdmy4CfWVO9rh5MiYQGZloKAGkJt8lMw==}
+
   '@types/pg@8.15.4':
     resolution: {integrity: sha512-I6UNVBAoYbvuWkkU3oosC8yxqH21f4/Jc4DK71JLG3dT2mdlGe1z+ep/LQGXaKaOgcvUrsQoPRqfgtMcvZiJhg==}
 
@@ -1890,6 +1903,13 @@ packages:
   kuler@2.0.0:
     resolution: {integrity: sha512-Xq9nH7KlWZmXAtodXDDRE7vs6DU1gTU8zYDHDiWLSip45Egwq3plLHzPn27NgvzL2r1LMPC1vdqh98sQxtqj4A==}
 
+  kysely-neon@2.0.1:
+    resolution: {integrity: sha512-FxsLZl4f1aHF5jI9cr0iYPrcKb3teWFO3Qnk9vWJm9lQhkepL9DbODYANX8g77Q6op0VLIZEYGrIffX2nogPxQ==}
+    engines: {node: '>=20'}
+    peerDependencies:
+      '@neondatabase/serverless': ^1
+      kysely: ^0.28
+
   kysely@0.28.2:
     resolution: {integrity: sha512-4YAVLoF0Sf0UTqlhgQMFU9iQECdah7n+13ANkiuVfRvlK+uI0Etbgd7bVP36dKlG+NXWbhGua8vnGt+sdhvT7A==}
     engines: {node: '>=18.0.0'}
@@ -3801,6 +3821,11 @@ snapshots:
     dependencies:
       react: 19.1.0
 
+  '@neondatabase/serverless@1.0.1':
+    dependencies:
+      '@types/node': 22.18.3
+      '@types/pg': 8.15.4
+
   '@nodelib/fs.scandir@2.1.5':
     dependencies:
       '@nodelib/fs.stat': 2.0.5
@@ -3994,6 +4019,10 @@ snapshots:
     dependencies:
       undici-types: 6.21.0
 
+  '@types/node@22.18.3':
+    dependencies:
+      undici-types: 6.21.0
+
   '@types/pg@8.15.4':
     dependencies:
       '@types/node': 20.19.1
@@ -4688,6 +4717,11 @@ snapshots:
 
   kuler@2.0.0: {}
 
+  kysely-neon@2.0.1(@neondatabase/serverless@1.0.1)(kysely@0.28.2):
+    dependencies:
+      '@neondatabase/serverless': 1.0.1
+      kysely: 0.28.2
+
   kysely@0.28.2: {}
 
   levn@0.4.1: