6:35:35 PM: ────────────────────────────────────────────────────────────────
6:35:35 PM:   Netlify Build                                                 
6:35:35 PM: ────────────────────────────────────────────────────────────────
6:35:35 PM: ​
6:35:35 PM: ❯ Version
6:35:35 PM:   @netlify/build 9.4.0
6:35:35 PM: ​
6:35:35 PM: ❯ Flags
6:35:35 PM:   deployId: 603a2e58379495ca18798b63
6:35:35 PM:   mode: buildbot
6:35:35 PM: ​
6:35:35 PM: ❯ Current directory
6:35:35 PM:   /opt/build/repo/client
6:35:35 PM: ​
6:35:35 PM: ❯ Config file
6:35:35 PM:   No config file was defined: using default values.
6:35:35 PM: ​
6:35:35 PM: ❯ Context
6:35:35 PM:   production
6:35:35 PM: ​
6:35:35 PM: ────────────────────────────────────────────────────────────────
6:35:35 PM:   1. Build command from Netlify app                             
6:35:35 PM: ────────────────────────────────────────────────────────────────
6:35:35 PM: ​
6:35:35 PM: $ npm run build
6:35:36 PM: > [email protected] build /opt/build/repo/client
6:35:36 PM: > react-scripts build
6:35:37 PM: Creating an optimized production build...
6:35:41 PM: Failed to compile.
6:35:41 PM: 
6:35:41 PM: ./src/components/Chat/Chat.js
6:35:41 PM: Cannot find file './Chat.css' in './src/components/Chat'.
6:35:41 PM: npm ERR! code ELIFECYCLE
6:35:41 PM: npm ERR! errno 1
6:35:41 PM: npm ERR! [email protected] build: `react-scripts build`
6:35:41 PM: npm ERR! Exit status 1
6:35:41 PM: npm ERR!
6:35:41 PM: npm ERR! Failed at the [email protected] build script.
6:35:41 PM: npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
6:35:41 PM: npm ERR! A complete log of this run can be found in:
6:35:41 PM: npm ERR!     /opt/buildhome/.npm/_logs/2021-02-27T11_35_41_200Z-debug.log
6:35:41 PM: ​
6:35:41 PM: ────────────────────────────────────────────────────────────────
6:35:41 PM:   "build.command" failed                                        
6:35:41 PM: ────────────────────────────────────────────────────────────────
6:35:41 PM: ​
6:35:41 PM:   Error message
6:35:41 PM:   Command failed with exit code 1: npm run build
6:35:41 PM: ​
6:35:41 PM:   Error location
6:35:41 PM:   In Build command from Netlify app:
6:35:41 PM:   npm run build
6:35:41 PM: ​
6:35:41 PM:   Resolved config
6:35:41 PM:   build:
6:35:41 PM:     base: /opt/build/repo/client
6:35:41 PM:     command: npm run build
6:35:41 PM:     commandOrigin: ui
6:35:41 PM:     publish: /opt/build/repo/client/build

const io = socketio(server, {
    cors: {
        origin: "http://localhost:3s000",
        methods: ["GET", "POST"],
        allowedHeaders: [""],
        credentials: true
    }
});