nginx.conf

events {
    worker_connections  1024;
}

http {
    include            ./mime.types;
    default_type       application/octet-stream;
    sendfile           on;
    keepalive_timeout  65;
    large_client_header_buffers 4 16k;

    gzip on; 
    gzip_vary on; 
    gzip_min_length 256; 
    gzip_proxied expired no-cache no-store private auth; 
    gzip_types application/atom+xml application/javascript application/x-javascript application/json application/rss+xml application/vnd.ms-fontobject application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/svg+xml image/x-icon text/css text/plain text/x-component;
    resolver 127.0.0.11 ipv6=off; # internal Docker DNS resolver
    server {
          gzip_static always;
          gzip_proxied expired no-cache no-store private auth;

        location /api/ws {
            proxy_pass http://api:8080/;
            proxy_set_header Upgrade $http_upgrade;
            proxy_set_header Connection "Upgrade";
            proxy_set_header Host $host;
            rewrite /api(.*) $1 break;
        }

        location /api/ {
            proxy_pass http://api:8080/;
            rewrite /api(.*) $1 break;
        }

        location ^~ / {
            alias /usr/share/nginx/html/;
            if (!-e $request_filename) { rewrite ^ /index.html last; }
            if ($request_uri ~* \.(js|css|gif|jpe?g|png)) {
                expires 1M;
                add_header Cache-Control "public, no-transform";
            }
        }

    }
}