host-file

#nginx
127.0.0.1 		server.dev

nginx-docker.conf

server {
        listen        8000 default_server; 
        server_name       localhost;
        location / { 
            proxy_pass       http://192.168.99.100:8000;
        }   
}

server {
      listen      80;
      server_name server.dev;
      location / {
        proxy_pass       http://192.168.99.100:8000;
      }
}