For Image Optimizer (https://github.com/spatie/image-optimizer#writing-a-custom-optimizers)

sudo apt-get install jpegoptim
sudo apt-get install optipng
sudo apt-get install pngquant
sudo npm install -g svgo@1.3.2
sudo apt-get install gifsicle
sudo apt-get install webp
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TesseractOCR (https://github.com/tesseract-ocr/tesseract)

sudo apt install tesseract-ocr
sudo apt install libtesseract-dev
