nginx.conf

server {
    listen 80 default_server;
    listen [::]:80 default_server;

    server_name _;

    root /var/www/html/;
    index index.html index.htm index.nginx-debian.html;
        
    location / {    
        try_files $uri /index.html;
        add_header Last-Modified $date_gmt;
        add_header Cache-Control 'no-store, no-cache';
        if_modified_since off;
        expires off;
        etag off;
    }

    location /public/ {
        proxy_pass http://localhost:9000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }

    location /api/ {
        proxy_pass http://localhost:9000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
    }
}