nginx conf for nginx-vod-module on Ubuntu 16.04 with nginx secure_link_module

nginx.conf

#user  nobody;
worker_processes  1;

error_log  logs/error.log;
error_log  logs/error.log  notice;
error_log  logs/error.log  info;
error_log  logs/debug.log  debug;


events {
    worker_connections  1024;
}

http {
	keepalive_timeout  65;

	server {
                index index.php index.html
        
		# vod settings
		vod_mode local;
		vod_last_modified 'Sun, 19 Nov 2000 08:52:00 GMT';
		vod_last_modified_types *;
                

		# vod caches
		vod_metadata_cache metadata_cache 32m;
		vod_response_cache response_cache 128m;
		
		# gzip manifests
		gzip on;
		gzip_types application/vnd.apple.mpegurl;

		# file handle caching / aio
		open_file_cache          max=1000 inactive=5m;
		open_file_cache_valid    2m;
		open_file_cache_min_uses 1;
		open_file_cache_errors   on;
		aio on;
		
		location /dash/ {		
			#secure_link $arg_md5,$arg_expires;
                        #secure_link_md5 "$secure_link_expires 12345";
                        
                        #if ($secure_link = "") {
                        #        return 403;
                        #}
                        #if ($secure_link = 0) {
                        #        return 410;
                        #}
                        
                        vod dash;
                        alias /usr/local/nginx/html/;

                        vod_segment_duration 4000;
                        vod_align_segments_to_key_frames on;
                        vod_manifest_duration_policy min;
                        vod_dash_manifest_format segmenttemplate;
                        vod_dash_profiles urn:mpeg:dash:profile:isoff-live:2011;

			add_header Access-Control-Allow-Headers '*';
			add_header Access-Control-Expose-Headers 'Server,range,Content-Length,Content-Range';
			add_header Access-Control-Allow-Methods 'GET, HEAD, OPTIONS';
			add_header Access-Control-Allow-Origin '*';
			expires 100d;
		}
                
                location /hls/  {
                        #secure_link $arg_md5,$arg_expires;
                        #secure_link_md5 "$secure_link_expires 12345";
                        
                        #if ($secure_link = "") {
                        #        return 403;
                        #}
                        #if ($secure_link = 0) {
                        #        return 410;
                        #}
                        
			vod hls;
                        alias /usr/local/nginx/html/;
                        
                        vod_secret_key "mukkaukk$vod_filepath";
			vod_hls_encryption_method aes-128;
			
			add_header Access-Control-Allow-Headers '*';
			add_header Access-Control-Expose-Headers 'Server,range,Content-Length,Content-Range';
			add_header Access-Control-Allow-Methods 'GET, HEAD, OPTIONS';
			add_header Access-Control-Allow-Origin '*';
			expires 100d;
		}
                
                location /mp4/ {
                        secure_link $arg_md5,$arg_expires;
                        secure_link_md5 "$secure_link_expires 12345";
        
                        if ($secure_link = "") {
                                return 403;
                        }
                        if ($secure_link = 0) {
                                return 410;
                        }
        
                        vod none;
                        alias /usr/local/nginx/html/;
                }
                
                # vod status page
		location /vod_status {
			vod_status;
			access_log off;
		}
                
	}
}