ImageMagick is a library that allows you to do all kinds of image manipulations.
Rmagick is Ruby plugin for ImageMagick.
In this episode we will learn to read, resize, crop images; overlay images above images; overlay text above images.
Rmagick docs: https://github.com/rmagick/rmagick
Episode source code: https://github.com/corsego/90-rmagick-ruby
Blogpost: https://blog.corsego.com/rmagick-activestorage
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