nginx fastcgi cache

nginx-cache

### SET THESE OUTSIDE `server` BLOCK ###
# set cache path, key and expiration time
fastcgi_cache_path /tmp/cache levels=1:2 keys_zone=MYAPP:512m inactive=60m;

# handle nginx crash, timeout, error responses and serve cached data
fastcgi_cache_use_stale error timeout invalid_header http_500;

# ignore cache headers
fastcgi_ignore_headers Cache-Control Expires Set-Cookie;

### SET THESE INSIDE `server` BLOCK ###
# set cache
set $no_cache 0;

# disable caching for requests other than GET
if ($request_method != GET) {
    set $no_cache 1; # disable caching
}

# set cache key
fastcgi_cache_key "$scheme$request_method$host$uri";

### SET THESE INSIDE `location ~ \.php$` BLOCK ###
fastcgi_cache MYAPP;
fastcgi_cache_bypass $no_cache;
fastcgi_no_cache $no_cache;
fastcgi_cache_valid 200 5m; # cache validation time
add_header X-Fastcgi-Cache $upstream_cache_status;