Update ss-install.txt

ss-install.txt

@@ -236,6 +236,11 @@ rm -R -f /tmp/nginx-conf.txt /tmp/nginx-conf /tmp/nginx.conf
 cd /tmp/
 wget --no-cache http://mirrors.slickstack.io/nginx/nginx-conf.txt
 
+## replace placeholders with slickstack variables ##
+sed -i "s/@CACHEMEMORY/${cachememory}/g" /tmp/nginx-conf.txt
+sed -i "s/@CACHEINACTIVE/${cacheinactive}/g" /tmp/nginx-conf.txt
+sed -i "s/@CACHEMAXSIZE/${cachemaxsize}/g" /tmp/nginx-conf.txt
+
 ## rename files ##
 mv nginx-conf.txt nginx.conf
 
@@ -270,6 +275,7 @@ fi
 
 ## replace @DOMAIN placeholder with slickstack variable ##
 sed -i "s/@DOMAIN/${domain}/g" /tmp/default.txt
+sed -i "s/@CACHEVALID/${cachevalid}/g" /tmp/default.txt
 
 ## enable or disable fastcgi cache ##
 ## set skip_cache default to 0 only if fastcgi cache enabled in ss-config ##