backend: add MEET_COOKIE_SECURE env var for cookie security settings

backend/src/environment.ts

@@ -25,6 +25,7 @@ export const {
 	MEET_API_KEY = '',
 	MEET_ADMIN_USER = 'admin',
 	MEET_ADMIN_SECRET = 'admin',
+	MEET_COOKIE_SECURE = 'false',
 
 	// Token expiration times
 	MEET_ACCESS_TOKEN_EXPIRATION = '2h',

backend/src/utils/cookie-utils.ts

@@ -1,10 +1,11 @@
 import { CookieOptions } from 'express';
 import ms, { StringValue } from 'ms';
+import { MEET_COOKIE_SECURE } from '../environment.js';
 
 export const getCookieOptions = (path: string, expiration: string): CookieOptions => {
 	return {
 		httpOnly: true,
-		secure: process.env.NODE_ENV === 'production',
+		secure: MEET_COOKIE_SECURE === 'true',
 		sameSite: 'strict',
 		maxAge: ms(expiration as StringValue),
 		path