### BBB
upstream semaphore {
    server semaphore-app:3000;
  }

server {
    listen 80;

    server_name semaphore.tips-of-mine.local;
    server_tokens off;
    
    if ($host = semaphore.example.com) {
      return 301 https://$host$request_uri;
    }

    return 404;
}

server {
    listen 443 ssl;

    server_name  semaphore.tips-of-mine.local; 
    client_max_body_size 0;
    chunked_transfer_encoding on;
    server_tokens off;

    ssl_certificate /etc/nginx/ssl/semaphore_ssl.cert;
    ssl_certificate_key /etc/nginx/ssl/semaphore_ssl.key;

    location / {
      proxy_pass http://semaphore/;
      
      proxy_set_header Host $http_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_connect_timeout 30;
      proxy_send_timeout 30;

      proxy_buffering off;
      proxy_request_buffering off;
    }

    location /api/ws {
      proxy_pass http://semaphore/api/ws;

      proxy_http_version 1.1;

      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Connection "upgrade";
      proxy_set_header Origin "";
    }

    error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
}