feat: migrate to esm

backend/proxy/src/main.ts

@@ -16,7 +16,7 @@
 import {Logger} from '@openstapps/logger';
 import Dockerode from 'dockerode';
 import isCidr from 'is-cidr';
-import {render} from 'mustache';
+import mustache from 'mustache';
 import path from 'path';
 import * as semver from 'semver';
 import {
@@ -28,14 +28,13 @@ import {
   sslHardeningParameters,
   SupportedLogFormats,
   TemplateView,
-} from './common';
+} from './common.js';
+// @ts-expect-error missing type defs
+import nodePortScanner from 'node-port-scanner';
 
 /* eslint-disable unicorn/prefer-module */
 /* eslint-disable unicorn/no-await-expression-member */
 
-// eslint-disable-next-line @typescript-eslint/no-var-requires
-const nodePortScanner = require('node-port-scanner');
-
 /**
  * Checks if a ContainerInfo matches a name and version regex
  *
@@ -263,7 +262,7 @@ export async function generateMetricsServer(logFormat: string, enableMetrics?: b
 async function renderTemplate(path: string, view: unknown): Promise<string> {
   const content = await asyncReadFile(path, 'utf8');
 
-  return render(content, view);
+  return mustache.render(content, view);
 }
 
 /**