WebP output - killer feature

[slav123]

I wrote similar service a while ago. Idea almost exactly as yours - for me killer feature was option to serve webp images as an output. It was based on browser detection (Chrome & Opera). Maybe there is a change at least ad ,webp output in yours ?

[willnorris]

See comments in #76 and #88. The only thing holding me back from adding webp encoding is just a library that supports it. As far as I know, no such Go library exists.

[slav123]

It's just a matter of using vips to handle scaling. Sory for my spaghetti code it was long learning curve for me:

https://github.com/slav123/go-resizer

but basically this library solves your problem:

https://github.com/h2non/bimg/tree/v1.0.14

[willnorris]

The problem with bimg (and vips) is that it's a cgo library, not pure go. I'm not willing to take on C dependencies, since it adds complexity that I don't really want to deal with and doesn't really solve any problems that I have. Others are of course free to use cgo libraries in their own forks, but I don't have plans to accept them in this copy of imageproxy.

[ramiel]

What about https://github.com/nickalie/go-webpbin?

[willnorris]

What about nickalie/go-webpbin?

that's simply a wrapper around a command line tool, not an actual go library.

[ramiel]

And https://github.com/chai2010/webp instead?
Sorry, I'm not a GO developer

[willnorris]

chai2010/webp is using cgo, which makes things more complicated and less portable (read more at https://dave.cheney.net/2016/01/18/cgo-is-not-go).

As people have added more caching storage backends, and the imageproxy binary size has grown pretty substantially, I've been thinking about how to rearchitect it to have some sort of plugin system. If and when that were to happen, I'd be fine with added an optional plugin that used cgo or called out to separate process. But as things are now, my plan is to limit it to pure go.

[ramiel]

Well, good to discover new things.

[tuananh]

@willnorris has anything change regarding webp support in go?

[willnorris]

Not that I'm aware of

[muety]

@slav123 Does the code of your service still exist somewhere? I'm basically looking for exactly what you seem to have build – an image proxy that conditionally converts PNG or JPG to webp if the requesting browser supports it.

EDIT: Never mind, just found in in your comment above.

[ramiel]

https://caravaggio.ramielcreations.com/