chore: add postgres schema migrations

scripts/migrate.ts

@@ -0,0 +1,23 @@
+import "dotenv/config";
+
+import { fileURLToPath } from "node:url";
+import { migrate } from "drizzle-orm/node-postgres/migrator";
+
+import { createDbClient } from "../packages/db/src/client.js";
+
+const databaseUrl = process.env.DATABASE_URL;
+
+if (!databaseUrl) {
+  throw new Error("DATABASE_URL is required to run migrations");
+}
+
+const migrationsFolder = fileURLToPath(new URL("../packages/db/src/migrations", import.meta.url));
+
+const client = createDbClient(databaseUrl);
+
+try {
+  await migrate(client.db, { migrationsFolder });
+  console.log(`Migrations applied from ${migrationsFolder}`);
+} finally {
+  await client.close();
+}