nginx error "conflicting server name" ignored

server { #listen 80; ## listen for ipv4; this line is default and implied #listen [::]:80 default ipv6only=on; ## listen for ipv6 #root /usr/share/nginx/www; root /home/ubuntu/node-login; # Make site accessible from server_name ec2-xx-xx-xxx-xxx.us-west-1.compute.amazonaws.com; location /{ proxy_pass http://127.0.0.1:8000/; proxy_redirect off; } } this results in nignx error [warn] conflicting server name "ec2..." on 0.0.0.0:80 ignored I dont understand, any explanation appreciated. Thanks.