sudo: required dist: xenial language: bash cache: apt: true git: quiet: true before_script: - sudo apt-get -qq autoremove --purge addons: apt: update: true script: - sudo apt-get install jpegoptim optipng cwebp -y - sudo cp optimize.sh /usr/local/bin/img-optimize - sudo chmod 755 /usr/local/bin/img-optimize - /usr/local/bin/img-optimize --all