fix Dockerfile
fix Dockerfile

nanobox-io/nanobox-engine-php,nanobox-io/nanobox-engine-wordpress,nanobox-io/nanobox-engine-wordpress,pagodabox/nanobox-engine-php,nanobox-io/nanobox-engine-wordpress,pagodabox/nanobox-engine-php,nanobox-io/nanobox-engine-php,nanobox-io/nanobox-engine-wordpress,pagodabox/nanobox-engine-php,nanobox-io/nanobox-engine-php