verbose: false
skip_missing_workers: true
allow_lossy: true
threads: 1
advpng: false
gifsicle:
  interlace: false
  level: 3
  careful: true
jhead: false
jpegoptim:
  strip: all
  max_quality: 100
jpegrecompress: false
jpegtran: false
optipng: false
pngcrush: false
pngout: false
pngquant:
  quality: !ruby/range 80..99
  speed: 3
svgo: false