fix(prisma): redirect SQLite file target to writeable /tmp path in serverless contexts

src/lib/prisma.ts

@@ -1,7 +1,42 @@
 import { PrismaClient } from '@prisma/client'
+import fs from 'fs'
+import path from 'path'
 
-const globalForPrisma = globalThis as unknown as { prisma: PrismaClient }
+let prisma: PrismaClient
 
-export const prisma = globalForPrisma.prisma ?? new PrismaClient()
+if (process.env.LAMBDA_TASK_ROOT || process.env.NETLIFY) {
+  const targetDbPath = '/tmp/dev.db'
+  
+  if (!fs.existsSync(targetDbPath)) {
+    let sourceDbPath = path.join(process.cwd(), 'prisma', 'dev.db')
+    if (!fs.existsSync(sourceDbPath)) {
+      sourceDbPath = path.join(process.cwd(), 'dev.db')
+    }
+    
+    try {
+      if (fs.existsSync(sourceDbPath)) {
+        fs.copyFileSync(sourceDbPath, targetDbPath)
+        fs.chmodSync(targetDbPath, 0o666)
+        console.log(`Copied database to writeable path: ${targetDbPath}`)
+      } else {
+        console.error(`Database template not found at: ${sourceDbPath}`)
+      }
+    } catch (e) {
+      console.error('Error copying SQLite database to /tmp:', e)
+    }
+  }
 
-if (process.env.NODE_ENV !== 'production') globalForPrisma.prisma = prisma
+  prisma = new PrismaClient({
+    datasources: {
+      db: {
+        url: `file:${targetDbPath}`
+      }
+    }
+  })
+} else {
+  const globalForPrisma = globalThis as unknown as { prisma: PrismaClient }
+  prisma = globalForPrisma.prisma ?? new PrismaClient()
+  if (process.env.NODE_ENV !== 'production') globalForPrisma.prisma = prisma
+}
+
+export { prisma }