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I have a script that generates a new CSV file (in my web directory) every half hour, it replaces the original one and puts a new one in its place with the same file name, the file is linked to on my website.
When I download the file from my website, instead of getting an updated version I get a file that is the same as the first time I downloaded it on this computer.
My first thought was to make sure that the script is still running properly and after testing, I can confirm that it is.
I then cleared the cache and download history in Chrome and tried to download it again, this time it worked as intended.
I am running this off of a rackspace cloud server running ubuntu and apache. I assume there is some setting that I need to reconfigure to fix this problem. Could someone please point me in the right direction.
Thanks in advance.
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When you're in Google Chrome, click on View, then select Developer, then Developer Tools. Alternatively, you can right click on a page in Chrome, then click Inspect. Click on the Network tab, then check the box to Disable cache.
On your custom origin web server application, add Cache-Control no-cache, no-store, or private directives to the objects that you don't want CloudFront to cache. Or, add Expires directives to the objects that you don't want CloudFront to cache.
A somewhat dirty solution is to append to the script that let you download the file a random number (or maybe the timestamp) as parameter to prevent the caching.
For example:
www.example.com/download.php?file=my.csv&rand=123456789
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