Gedit and xed docker syntax highlightingΒΆ
https://github.com/mrorgues/gedit-xed-docker-syntax-highlighting
wget -q https://raw.githubusercontent.com/mrorgues/gedit-xed-docker-syntax-highlighting/master/docker.lang
sudo mv -i docker.lang /usr/share/gtksourceview-3.0/language-specs/docker.lang
sudo chmod 644 /usr/share/gtksourceview-3.0/language-specs/docker.lang