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fix: Lazy-load database connection to prevent unnecessary instantiations #3628

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fix: Lazy-load database connection to prevent unnecessary instantiations #3628

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9ffb440
fix: Lazy-load database connection to prevent unnecessary instantiations
AlexDev404 Feb 7, 2026
d32c613
Update index.ts
AlexDev404 Feb 7, 2026
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31 changes: 18 additions & 13 deletions packages/server/src/db/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -2,23 +2,28 @@ import { drizzle, type PostgresJsDatabase } from "drizzle-orm/postgres-js";
import postgres from "postgres";
import { dbUrl } from "./constants";
import * as schema from "./schema";
import { sanitizeDbUrl } from "./utils";

declare global {
var db: PostgresJsDatabase<typeof schema> | undefined;
var db: PostgresJsDatabase<typeof schema> | undefined;
}

export let db: PostgresJsDatabase<typeof schema>;
if (process.env.NODE_ENV === "production") {
db = drizzle(postgres(dbUrl), {
schema,
});
} else {
if (!global.db)
global.db = drizzle(postgres(dbUrl), {
schema,
});

db = global.db;
function getDbInstance(): PostgresJsDatabase<typeof schema> {
if (process.env.NODE_ENV === "production") {
// Log database connection for debugging in non-production or when DEBUG is set
if (process.env.DEBUG) {
console.log(`[DB] Connecting to database: ${sanitizeDbUrl(dbUrl)}`);
}
return drizzle(postgres(dbUrl), { schema });
}
if (!global.db) {
if (process.env.DEBUG || process.env.NODE_ENV !== "production") {
console.log(`[RUNTIME] Connecting to database: ${sanitizeDbUrl(dbUrl)}`);
}
global.db = drizzle(postgres(dbUrl), { schema });
}
return global.db;
}

export const db: PostgresJsDatabase<typeof schema> = getDbInstance();
export { dbUrl };