Docker, API proxy, Drone CI, .env

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/build-with-env.js

@@ -0,0 +1,8 @@
+#!/usr/bin/env node
+/**
+ * Loads .env and runs ng build.
+ * Use for production build so process.env is populated for environment.prod.ts.
+ */
+require('dotenv').config();
+const { execSync } = require('child_process');
+execSync('ng build', { stdio: 'inherit' });