chore: add env parameter for enforce https (#1042)

* env parameter for enforce https

* Update app.js

fix format for multi-line condition

* Update app.js

fix code format

* Update app.js

.env.sample

@@ -11,6 +11,8 @@ REDIS_URL=redis://redis:6379
 
 URL=http://localhost:3000
 PORT=3000
+# enforce https in production mode (optional - default is true)
+# FORCE_HTTPS=true
 
 DEPLOYMENT=self
 ENABLE_UPDATES=true

server/app.js

@@ -75,12 +75,16 @@ if (process.env.NODE_ENV === 'development') {
 
   app.use(mount('/emails', emails));
 } else if (process.env.NODE_ENV === 'production') {
-  // Force HTTPS on all pages
+  // Force redirect to HTTPS protocol unless explicitly disabled
+  if (process.env.FORCE_HTTPS !== 'false') {
     app.use(
       enforceHttps({
         trustProtoHeader: true,
       })
     );
+  } else {
+    console.warn('Enforced https was disabled with FORCE_HTTPS env variable');
+  }
 
   // trust header fields set by our proxy. eg X-Forwarded-For
   app.proxy = true;