Fix: PostgreSQL setup on production droplet

- Revert schema to pgTable/serial (matches PostgreSQL)
- db.ts switched back to node-postgres driver
- PostgreSQL 16 installed and running on 142.93.245.235
- Database: gammanexus, User: gn_admin
- Same schema across local and production

server/db.ts

@@ -1,35 +1,32 @@
-import { drizzle } from "drizzle-orm/better-sqlite3";
+import { drizzle } from "drizzle-orm/node-postgres";
 import { eq } from "drizzle-orm";
 import { users, User, NewUser } from "../shared/schema";
-import Database from "better-sqlite3";
-import path from "node:path";
-import fs from "node:fs";
-import { fileURLToPath } from "node:url";
+import { Pool } from "pg";
 
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
+// PostgreSQL connection (local on production droplet)
+const pool = new Pool({
+  host: process.env.DB_HOST || "127.0.0.1",
+  port: parseInt(process.env.DB_PORT || "5432"),
+  user: process.env.DB_USER || "gn_admin",
+  password: process.env.DB_PASSWORD || "",
+  database: process.env.DB_NAME || "gammanexus",
+  ssl: (process.env.DB_SSL === "true" && process.env.NODE_ENV === "production") ? { rejectUnauthorized: false } : false,
+  max: 20,
+  idleTimeoutMillis: 30000,
+  connectionTimeoutMillis: 5000,
+});
 
-// Use SQLite for production (PostgreSQL migration later)
-const dbPath = path.resolve(__dirname, "..", "data.db");
-
-// Ensure data directory exists
-const dbDir = path.dirname(dbPath);
-if (!fs.existsSync(dbDir)) {
-  fs.mkdirSync(dbDir, { recursive: true });
-}
-
-const sqlite = new Database(dbPath);
-export const db = drizzle(sqlite);
+export const db = drizzle(pool);
 
 // Initialize users table if it doesn't exist (called at startup)
 export async function initDb(): Promise<void> {
-  sqlite.exec(`
+  await db.execute(`
     CREATE TABLE IF NOT EXISTS users (
-      id INTEGER PRIMARY KEY AUTOINCREMENT,
+      id SERIAL PRIMARY KEY,
       name TEXT NOT NULL,
       email TEXT NOT NULL UNIQUE,
       password_hash TEXT NOT NULL,
-      created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+      created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
     )
   `);
 }

shared/schema.ts

@@ -1,20 +1,20 @@
 // GammaDesk shared data model
 // ORATS-style options analytics types + Drizzle tables for auth.
-// Database: SQLite (PostgreSQL migration planned later)
+// Database: PostgreSQL
 
 import { z } from "zod";
-import { sqliteTable, text, integer } from "drizzle-orm/sqlite-core";
+import { pgTable, text, serial, timestamp } from "drizzle-orm/pg-core";
 
 // ---------------------------------------------------------------------------
-// Auth - Users table (Drizzle + SQLite)
+// Auth - Users table (Drizzle + PostgreSQL)
 // ---------------------------------------------------------------------------
 
-export const users = sqliteTable("users", {
-  id: integer("id").primaryKey({ autoIncrement: true }),
+export const users = pgTable("users", {
+  id: serial("id").primaryKey(),
   name: text("name").notNull(),
   email: text("email").notNull().unique(),
   passwordHash: text("password_hash").notNull(),
-  createdAt: text("created_at").default(new Date().toISOString()),
+  createdAt: timestamp("created_at", { mode: "date" }).defaultNow().notNull(),
 });
 
 export type User = typeof users.$inferSelect;