ws / wss proxy with nginx about clusterws HOT 7 OPEN

server {
   listen: 3000;
   server_name: localhost;

   location /ws/ {
        access_log on;
        proxy_pass http://127.0.0.1:3001/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
        proxy_set_header Proxy "";
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Host $host;
        proxy_set_header X-NginX-Proxy true;
        proxy_cache_bypass $http_upgrade;
    }
}

// JS client connects to 
let socket = new ClusterWS({
  url: `ws://127.0.0.1:3000/ws/`
})

// ClusterWS 4 server specifies WSPath as `/`

new ClusterWS({
     ....
     websocketOptions: {
           wsPath: "/",
     }
     ....
})

   location /ws/ {
        access_log on;
        proxy_pass http://127.0.0.1:3001;  <- Note just removed `/` and it is broken
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
        proxy_set_header Proxy "";
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Host $host;
        proxy_set_header X-NginX-Proxy true;
        proxy_cache_bypass $http_upgrade;
    }

// JS client connects to 
let socket = new ClusterWS({
  url: `ws://127.0.0.1:3000/ws/`
})

   location /ws/ {
        access_log on;
        proxy_pass http://127.0.0.1:3001/;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
        proxy_set_header Proxy "";
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header Host $host;
        proxy_set_header X-NginX-Proxy true;
        proxy_cache_bypass $http_upgrade;
    }

// JS client connects to 
let socket = new ClusterWS({
  url: `ws://127.0.0.1:3000/ws` <- Just remove `/` and it does not work any more
})