Nginx Proxy with Cache for Github

github-proxy-nginx.conf

events {
    worker_connections  1024;
}

# cahce all through github.com

http {
  # cache option inactive delete after 30days, total cache size 2G, cache index 1M (8,000)
	proxy_cache_path /var/cache/nginx/cache levels=1:2 keys_zone=cache_zone:1m inactive=30d max_size=2048m;
	proxy_temp_path /var/cache/nginx/temp/;

	sendfile on;

  server {
    listen 80;
    client_max_body_size 300M; 
                                
    location / {
      proxy_cache cache_zone;                                                           
      proxy_pass https://github.com;                                       
      proxy_cache_key $scheme$proxy_host$uri;
      proxy_cache_valid 200 206 300h;
      proxy_cache_use_stale  error timeout invalid_header updating
        http_500 http_502 http_503 http_504;                                                       
      proxy_intercept_errors on;
      # handle redirect page in error_page
      error_page 301 302 307 = @handle_redirects;      
                                                                                                    
      proxy_ignore_headers Set-Cookie;
      proxy_ignore_headers Cache-Control;
      proxy_ignore_headers Expires;
      proxy_hide_header Set-Cookie;      
      proxy_hide_header Cache-Control;     
      proxy_hide_header Expires;      
    }   

    # for redicrect page cache
    location @handle_redirects {
      set $original_uri $uri;
      set $orig_loc $upstream_http_location;
      proxy_pass $orig_loc;
      proxy_cache       cache_zone;

      # But we store the result with the cache key of the original request URI
      # so that future clients don't need to follow the redirect too
      proxy_cache_key $original_uri;
      proxy_cache_valid 200 206 300h;
      proxy_cache_use_stale  error timeout invalid_header updating
        http_500 http_502 http_503 http_504;                 

      resolver 8.8.8.8; # Seems to be needed for redirects.

      proxy_ignore_headers Set-Cookie;
      proxy_ignore_headers Cache-Control;
      proxy_ignore_headers Expires;
      proxy_hide_header Set-Cookie;
      proxy_hide_header Cache-Control;
      proxy_hide_header Expires;
    }
  }
}