nginx proxy cache

nginx-purge-cache.bash

#!/bin/bash

CACHE_PATH="/var/www/cache"

if (( $# < 1 ))
then
    sudo rm -rf "$CACHE_PATH"/*
else
    curl -H "X-Purge: 1" -g -s -v "$1" 
fi

nginx.conf

    proxy_cache_path /var/www/cache levels=2:2 keys_zone=default:3000m inactive=24h;
    proxy_temp_path /var/www/tmp;
    server {
        server_name example.com;
        proxy_set_header Referer $proxy_host;
        proxy_cache default;
        proxy_cache_valid 200 24h;
        location / {
            add_header X-Cache-Status $upstream_cache_status;
            proxy_pass http://app.server:4502/;
            proxy_cache_bypass $http_x_purge_header; # curl -H "X-Purge: 1" to re-cache.
            proxy_ignore_headers Set-Cookie;
            proxy_hide_header Set-Cookie;
        }
    }