docker nginx reverse proxy

#Get IP for docker container from hosts file
upstream {{upstreamName}} {
        #container name / corresponding to hosts file
        server {{containerName}};
}

server {
        listen 80;
        server_name example.com;
        location / {
                proxy_pass http://{{upstreamName}};
                proxy_http_version 1.1;
                proxy_set_header Upgrade $http_upgrade;
                proxy_set_header Connection 'upgrade';
                proxy_set_header Host $host;
                proxy_cache_bypass $http_upgrade;
                
                #Add Auth if needed
                #auth_basic "Restricted";
                #auth_basic_user_file /etc/nginx/.htpasswd;
        }
}