updated docker pipeline to include database migrations, added dummy table to verify the pipeline works

packages/db/src/migrate.ts

@@ -0,0 +1,25 @@
+import { config } from "dotenv";
+import { drizzle } from "drizzle-orm/node-postgres";
+import { migrate } from "drizzle-orm/node-postgres/migrator";
+import { Pool } from "pg";
+import { resolve, dirname } from "path";
+import { fileURLToPath } from "url";
+
+config({
+  path: resolve(dirname(fileURLToPath(import.meta.url)), "../../../.env"),
+});
+
+const pool = new Pool({ connectionString: process.env["DATABASE_URL"]! });
+const db = drizzle(pool);
+
+console.log("starting database migrations...");
+
+await migrate(db, {
+  migrationsFolder: resolve(
+    dirname(fileURLToPath(import.meta.url)),
+    "../drizzle",
+  ),
+});
+
+await pool.end();
+console.log("database migrations complete.");