io

lib/db.ts

@@ -4,10 +4,36 @@ const globalForPrisma = globalThis as unknown as {
   prisma: PrismaClient | undefined;
 };
 
+function getPrismaDatabaseUrl() {
+  const databaseUrl = process.env.DATABASE_URL;
+  if (!databaseUrl) {
+    return undefined;
+  }
+
+  const url = new URL(databaseUrl);
+
+  // In dev, Next can spin up multiple workers. Keep each Prisma pool small so
+  // the database is not exhausted by parallel hot-reload processes.
+  if (!url.searchParams.has("connection_limit")) {
+    url.searchParams.set("connection_limit", "5");
+  }
+
+  if (!url.searchParams.has("pool_timeout")) {
+    url.searchParams.set("pool_timeout", "20");
+  }
+
+  return url.toString();
+}
+
 export const db =
   globalForPrisma.prisma ??
   new PrismaClient({
-    log: process.env.NODE_ENV === "development" ? ["query", "error", "warn"] : ["error"],
+    log: ["error"],
+    datasources: {
+      db: {
+        url: getPrismaDatabaseUrl(),
+      },
+    },
   });
 
-if (process.env.NODE_ENV !== "production") globalForPrisma.prisma = db;
+globalForPrisma.prisma = db;