chore: Centralize environment detection

server/services/web.ts

@@ -22,8 +22,6 @@ import routes from "../routes";
 import api from "../routes/api";
 import auth from "../routes/auth";
 
-const isProduction = env.ENVIRONMENT === "production";
-
 // Construct scripts CSP based on services in use by this installation
 const defaultSrc = ["'self'"];
 const scriptSrc = ["'self'", "gist.github.com", "www.googletagmanager.com"];
@@ -36,7 +34,7 @@ if (env.isCloudHosted) {
 }
 
 // Allow to load assets from Vite
-if (!isProduction) {
+if (!env.isProduction) {
   scriptSrc.push(env.URL.replace(`:${env.PORT}`, ":3001"));
   scriptSrc.push("localhost:3001");
 }
@@ -54,7 +52,7 @@ if (env.CDN_URL) {
 export default function init(app: Koa = new Koa(), server?: Server) {
   void initI18n();
 
-  if (isProduction) {
+  if (env.isProduction) {
     // Force redirect to HTTPS protocol unless explicitly disabled
     if (env.FORCE_HTTPS) {
       app.use(