feat: link migrations to payload config for production bundling and simplify dockerfile

src/payload/payload.config.ts

@@ -13,6 +13,8 @@ import { Media } from "./collections/Media";
 import { FormSubmissions } from "./collections/FormSubmissions";
 import { Pages } from "./collections/Pages";
 
+import { migrations } from "../../migrations/index";
+
 const filename = fileURLToPath(import.meta.url);
 const dirname = path.dirname(filename);
 
@@ -46,6 +48,7 @@ export default buildConfig({
         process.env.POSTGRES_URI ||
         `postgresql://${process.env.DIRECTUS_DB_USER || "directus"}:${process.env.DIRECTUS_DB_PASSWORD || "directus"}@127.0.0.1:5432/${process.env.DIRECTUS_DB_NAME || "directus"}`,
     },
+    prodMigrations: migrations,
   }),
   ...(process.env.SMTP_HOST
     ? {