assessment-model/src/app/db/migrate.ts

import { migrate } from "drizzle-orm/node-postgres/migrator";
import { drizzle } from "drizzle-orm/node-postgres";
import { Pool } from "pg";
import dotenv from "dotenv";

dotenv.config({ path: ".env.local" });

const pool = new Pool({
  host: process.env.DB_HOST,
  port: Number(process.env.DB_PORT),
  user: process.env.DB_USERNAME,
  password: process.env.DB_PASSWORD,
  database: process.env.DB_NAME,
});

const db = drizzle(pool);

// this will automatically run needed migrations on the database
migrate(db, { migrationsFolder: "./src/app/db/migrations" })
  .then(() => {
    console.log("Migrations complete!");
    process.exit(0);
  })
  .catch((err) => {
    console.error("Migrations failed!", err);
    process.exit(1);
  });