homebrew/nginx 1. Error: homebrew/nginx was deprecated. This tap is now empty as all its formulae were migrated. 1. $ brew tap denji/nginx 2. 安裝:$ brew install nginx-full --with-rtmp-module 1. Error: Your Xcode (10.1) is too outdated. Please update to Xcode 10.2.1 (or delete it). Xcode can be updated from the App Store.