Nginx configuration for Nexus Sonatype that apache maven built artifacts

nginx.conf

listen   *:80;
       server_name  maven.kasunbg.org;

       access_log /var/log/nginx/maven.kasunbg.org/access.log;
       error_log /var/log/nginx/maven.kasunbg.org/error.log;

       # allow large uploads of files - refer to nginx documentation
       client_max_body_size 3072m;

       # optimize downloading files larger than 1G - refer to nginx doc before adjusting
       proxy_max_temp_file_size 6144m;

       # Protect against MIME sniffing vulnerabilities
       add_header X-Content-Type-Options nosniff;

       # Prevent Clickjacking Attack
       add_header X-Frame-Options "SAMEORIGIN";

       # X-XSS Protection
       add_header X-XSS-Protection "1; mode=block";

       ## Nexus proxy tuneup
       proxy_send_timeout 120;
       proxy_read_timeout 300;
#        proxy_connect_timeout 300;
       proxy_buffering    off;
#       proxy_buffer_size 4k;

       # Disable unwanted HTTP methods
       if ($request_method !~ ^(GET|HEAD|POST|PUT|DELETE|CONNECT)$ )
       {
          return 444;
       }

       # Return all UI requests to HTTPS
       if ($request_uri !~ "^/nexus/content*") {
          return     301 https://$server_name$request_uri;
       }

       location /nexus {
           proxy_pass http://localhost:8081/nexus;
           proxy_set_header X-Forwarded-Proto $scheme;
           proxy_set_header Host $host;
           proxy_set_header X-Real-IP $remote_addr;
           proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

       }