nginx.conf

server {
    server_name portainer.shangxian.app;

    include                         inc/ssl.conf;
    ssl_certificate                 ca/shangxian.app/fullchain.cer;
    ssl_certificate_key             ca/shangxian.app/shangxian.app.key;

    include inc/robots.disallow.conf;

    location / {
        sendfile off;
        proxy_pass         http://portainer:9000;
        proxy_redirect     default;
        proxy_http_version 1.1;

        proxy_set_header   Host              $host;
        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        X-NginX-Proxy true;
        proxy_max_temp_file_size 0;

        client_max_body_size       10m;
        client_body_buffer_size    128k;

        proxy_connect_timeout      90;
        proxy_send_timeout         90;
        proxy_read_timeout         90;
        proxy_buffering            off;
        proxy_request_buffering    off;
        proxy_set_header Connection "";
    }

    location /api/websocket/ {
        sendfile off;
        proxy_pass         http://portainer:9000;
        proxy_redirect     default;
        proxy_http_version 1.1;

        proxy_set_header   Host              $host;
        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        X-NginX-Proxy true;
        proxy_max_temp_file_size 0;

        client_max_body_size       10m;
        client_body_buffer_size    128k;

        proxy_connect_timeout      90;
        proxy_send_timeout         90;
        proxy_read_timeout         90;
        proxy_buffering            off;
        proxy_request_buffering    off;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "upgrade";
    }
}