22.08.2018 - I am not able, by any means to configure RocketChat to be available in subdirectory. I either get a blank page or 404 not found (Rocket chats message). to db rocketchat > db.rocketchat_settings.find({ "_id" : "Site_Url"}).pretty() { "_id" Environment=MONGO_URL=mongodb://localhost:27017/rocketchat .