diff --git a/.pryrc b/.pryrc
new file mode 100644
index 0000000..e69de29
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..cb7ea65
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,13 @@
+FROM ruby:2.4
+
+RUN mkdir /usr/src/app 
+ADD . /usr/src/app/ 
+WORKDIR /usr/src/app/ 
+
+RUN gem update --system
+RUN gem install bundler
+RUN gem install pry
+
+WORKDIR /usr/src/app
+
+CMD pry
\ No newline at end of file
diff --git a/cve.rb b/classes/cve.rb
similarity index 100%
rename from cve.rb
rename to classes/cve.rb
diff --git a/dump_csv.rb b/command_line/dump_csv.rb
similarity index 100%
rename from dump_csv.rb
rename to command_line/dump_csv.rb
diff --git a/generate_invite_code.rb b/command_line/generate_invite_code.rb
similarity index 100%
rename from generate_invite_code.rb
rename to command_line/generate_invite_code.rb
diff --git a/get_calibre_ips.rb b/command_line/get_calibre_ips.rb
similarity index 100%
rename from get_calibre_ips.rb
rename to command_line/get_calibre_ips.rb
diff --git a/owasp_search.rb b/command_line/owasp_search.rb
similarity index 100%
rename from owasp_search.rb
rename to command_line/owasp_search.rb
diff --git a/quake_player_count.rb b/command_line/quake_player_count.rb
similarity index 100%
rename from quake_player_count.rb
rename to command_line/quake_player_count.rb
diff --git a/translate.rb b/command_line/translate.rb
similarity index 100%
rename from translate.rb
rename to command_line/translate.rb
diff --git a/wikipedia_search.rb b/command_line/wikipedia_search.rb
similarity index 100%
rename from wikipedia_search.rb
rename to command_line/wikipedia_search.rb
diff --git a/effective_testing_with_rspec3_examples/type_me_in.rb b/effective_testing_with_rspec3_examples/type_me_in.rb
new file mode 100644
index 0000000..c3df822
--- /dev/null
+++ b/effective_testing_with_rspec3_examples/type_me_in.rb
@@ -0,0 +1,9 @@
+#---
+# Excerpted from "Effective Testing with RSpec 3",
+# published by The Pragmatic Bookshelf.
+# Copyrights apply to this code. It may not be used to create training material,
+# courses, books, articles, and the like. Contact us if you are in doubt.
+# We make no guarantees that this code is fit for any purpose.
+# Visit http://www.pragmaticprogrammer.com/titles/rspec3 for more book information.
+#---
+puts "You can type me in; it's okay!"