i'm trying basic fastcgi caching work, running trouble after following this tutorial.
on fresh installation of ubuntu 16.04, ran following commands:
apt-get update apt-get install -y nginx apt-get install -y php-fpm i changed /etc/nginx/sites-available/default to:
fastcgi_cache_path /etc/nginx/cache levels=1:2 keys_zone=myapp:100m inactive=60m; fastcgi_cache_key "$scheme$request_method$host$request_uri"; server { listen 80 default_server; listen [::]:80 default_server; root /var/www/html; index index.php index.html; location / { try_files $uri $uri/ =404; } location ~ \.php$ { fastcgi_pass unix:/run/php/php7.0-fpm.sock; include snippets/fastcgi-php.conf; # fastcgi_cache myapp; # fastcgi_cache_valid 200 60m; } } after adding file called time.php in server document root (/var/www/html) following contents:
<?php echo time();
and navigating ip/time.php, file executes , displays timestamp. on reloads, fresh timestamps displayed.
if uncomment above lines, blank screen <html><body></body></html> loads.
why adding:
fastcgi_cache myapp; fastcgi_cache_valid 200 60m; result in blank html page? how can fixed cache time.php , serve cached version future requests?
note: did see /etc/nginx/cache created , contain data. changed directory 777 permissions eliminate permission issues.
$ sudo mkdir -p /var/cache/nginxfastcgi $ chown www-data: /var/cache/nginxfastcgi then in config
fastcgi_cache_path /var/cache/nginxfastcgi levels=1:2 keys_zone=fastcgicache:10m inactive=10m max_size=64m; fastcgi_cache_key $scheme$request_method$host$request_uri; fastcgi_cache_lock on; fastcgi_cache_use_stale error timeout invalid_header updating http_500; fastcgi_cache_valid 5m; fastcgi_ignore_headers cache-control expires set-cookie; server { listen 80; root **************; index index.php index.html index.htm; server_name *************; location / { try_files $uri $uri/ /index.php?$query_string; } location ~ \.php$ { try_files $uri /index.php =404; fastcgi_split_path_info ^(.+\.php)(/.+)$; fastcgi_pass unix:/var/run/php/php7.0-fpm.sock; fastcgi_index index.php; fastcgi_param script_filename $document_root$fastcgi_script_name; include fastcgi_params; add_header x-cache $upstream_cache_status; fastcgi_cache fastcgicache; } } 
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