lib/beaker/hypervisor/docker.rb in beaker-2.50.0 vs lib/beaker/hypervisor/docker.rb in beaker-2.51.0

@@ -190,9 +190,10 @@
         raise("Docker image undefined!") if (host['image']||= nil).to_s.empty?
 
         # specify base image
         dockerfile = <<-EOF
           FROM #{host['image']}
+          ENV container docker
         EOF
 
         # additional options to specify to the sshd
         # may vary by platform
         sshd_options = ''