Add force SSL config flag

src/service/Routing.ts

@@ -168,10 +168,15 @@ export class Routing extends Unit {
     }
 
     public getAppUrl(): UniversalPath {
+        const forceSsl = Boolean(this.config.get('server.forceSsl', false))
+
         if ( this.request.has() ) {
             // If we have a request context, use that URL, as it is the most reliable
             const request = this.request.get()
             const url = new URL(request.fullUrl)
+            if ( forceSsl ) {
+                url.protocol = 'https:'
+            }
             return universalPath(url.origin)
         }