Run Chrome as 'chrome' user (#239)
Run Chrome as 'chrome' user (#239)

* Run Chrome as 'chrome' user

* Use seccom instead of --privileged

ricardorsierra/dockerfiles,michael-k/dockerfiles-jfrazelle,koep/dockerfiles,jessfraz/dockerfiles,michael-k/dockerfiles-jfrazelle,alanbrent/dockerfiles,michael-k/dockerfiles-jfrazelle,jessfraz/dockerfiles,konstruktoid/dockerfiles,ricardorsierra/dockerfiles,rothgar/dockerfiles,johnsandiford/dockerfiles,jfrazelle/dockerfiles,rothgar/dockerfiles,koep/dockerfiles,jfrazelle/dockerfiles,koep/dockerfiles,johnsandiford/dockerfiles,koep/dockerfiles,koep/dockerfiles,johnsandiford/dockerfiles,konstruktoid/dockerfiles,alanbrent/dockerfiles,michael-k/dockerfiles-jfrazelle,konstruktoid/dockerfiles,jessfraz/dockerfiles,rothgar/dockerfiles,johnsandiford/dockerfiles,michael-k/dockerfiles-jfrazelle,johnsandiford/dockerfiles,jessfraz/dockerfiles,ricardorsierra/dockerfiles,ricardorsierra/dockerfiles,jessfraz/dockerfiles,konstruktoid/dockerfiles,alanbrent/dockerfiles,ricardorsierra/dockerfiles