First

lib/mrsk/commands/registry.rb

@@ -0,0 +1,10 @@
+class Mrsk::Commands::Registry
+  def login
+    if (user = ENV["DOCKER_USER"]).present? && (password = ENV["DOCKER_PASSWORD"]).present?
+      # FIXME: Find a way to hide PW so it's not shown on terminal
+      "docker login -u #{user} -p #{password}"
+    else
+      raise ArgumentError, "Missing DOCKER_USER or DOCKER_PASSWORD in ENV"
+    end
+  end
+end