GitHub and animated gifs…

For our n0r1skcom/echo DockerHub image we wanted to add a gif (see above) with console output to the corresponding GitHub project README.

But that wasn’t that easy as we thought because GitHub caches images with atmos/camo and that brings in some problems with bigger gif’s…

So we had to disable image caching via the http headers of our source image but these images are located in our WordPress media library and we didn’t want to disable image caching in general.

The solution for us was to configure the serving webserver (in our case Apache) to set some caching/expiry headers via LocationMatch directive and a fancy regex.
Our regex includes all pictures with the filename prefix “nocache_” – so every other image uploaded isn’t touched in any way.

Apache configuration sample

Bernhard Rausch on GithubBernhard Rausch on Twitter
Bernhard Rausch
Bernhard Rausch
devops/sys-admin; love to get things ordered the right way: "A tidy house, a tidy mind."; configuration management fetishist; loving backups; impressed by docker;
Always up to get in contact with interesting people - don't hesitate to write a comment or to contact me! - Bernhard
Mario Kleinsasser on GithubMario Kleinsasser on LinkedinMario Kleinsasser on Twitter
Mario Kleinsasser
Mario Kleinsasser
Doing Linux since 2000 and containers since 2009. Like to hack new and interesting stuff. Containers, Python, DevOps, automation and so on. Interested in science and I like to read (if I found the time). Einstein said "Imagination is more important than knowledge. For knowledge is limited." - I say "The distance between faith and knowledge is infinite. (c) by me". Interesting contacts are always welcome - nice to meet you out there - if you like, don't hesitate and contact me! - M

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Bernhard Rausch

devops/sys-admin; love to get things ordered the right way: "A tidy house, a tidy mind."; configuration management fetishist; loving backups; impressed by docker; Always up to get in contact with interesting people - don't hesitate to write a comment or to contact me! - Bernhard

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