diff --git a/.gitignore b/.gitignore
index e69de29..6a222e9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.py[oc]
+tests/generated.py
diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..75809f3
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,16 @@
+# A workflow with docker is still uncertain.
+# Keep watching below file and other module's situation.
+# https://github.com/container-images/container-image-template/blob/master/Dockerfile.template
+FROM registry.fedoraproject.org/f26-modular/boltron
+
+WORKDIR /build
+COPY . .
+
+ENV LC_CTYPE C.UTF-8
+
+RUN dnf -y update
+RUN dnf -y --nodocs install \
+  ruby \
+  && dnf -y clean all
+
+CMD /bin/bash
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..cd54e7a
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,14 @@
+DOCKER_IMAGE=ruby
+
+default: test
+
+build-docker:
+	docker build -t $(DOCKER_IMAGE) . 
+
+test-nspawn:
+	MODULE=nspawn $(MAKE) -C tests test
+
+test-docker: build-docker
+	MODULE=docker URL=docker=$(DOCKER_IMAGE) $(MAKE) -C tests test
+
+test: test-nspawn test-docker
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..ca416cb
--- /dev/null
+++ b/README.md
@@ -0,0 +1,9 @@
+# modules/ruby
+
+## Current status
+
+This module is not available yet.
+
+See this Bugzilla ticket to check the status.
+
+https://bugzilla.redhat.com/show_bug.cgi?id=1490285
diff --git a/ruby.yaml b/ruby.yaml
new file mode 100644
index 0000000..68b93cf
--- /dev/null
+++ b/ruby.yaml
@@ -0,0 +1,111 @@
+# Keep a generated ruby.yaml file URL here to follow latest configuration.
+# https://github.com/fedora-modularity/dependency-report/blob/master/modules/ruby/ruby.yaml
+document: modulemd
+version: 1
+data:
+    # From ruby.spec Summary
+    summary: An interpreter of object-oriented scripting language
+    # From ruby.spec description
+    description: >-
+        Ruby is the interpreted scripting language for quick and easy
+        object-oriented programming.  It has many features to process text
+        files and to do system management tasks (as in Perl).  It is simple,
+        straight-forward, and extensible.
+    license:
+        module:
+            - MIT
+    references:
+        community: http://ruby-lang.org/
+        documentation: https://www.ruby-lang.org/en/documentation/
+        tracker: https://bugs.ruby-lang.org/
+    dependencies:
+        buildrequires:
+            platform: el8
+        requires:
+            platform: el8
+    components:
+        # SRPMs
+        rpms:
+            ruby:
+                # From ruby.spec Summary
+                rationale: An interpreter of object-oriented scripting language
+                buildorder: 101
+                ref: private-jaruga-stream-ruby-2.5
+            rubygem-bundler:
+                # From rubygem-bundler.spec Summary
+                rationale: >-
+                    Library and utilities to manage a Ruby application's gem
+                    dependencies
+                buildorder: 102
+                ref: private-jaruga-stream-ruby-2.5
+            rubygem-mysql2:
+                # From rubygem-mysql2.spec Summary
+                rationale: >-
+                    A simple, fast Mysql library for Ruby, binding to libmysql
+                buildorder: 102
+                ref: private-jaruga-stream-ruby-2.5
+            rubygem-pg:
+                # From rubygem-pg.spec Summary
+                rationale: >-
+                    A Ruby interface to the PostgreSQL RDBMS
+                buildorder: 102
+                ref: private-jaruga-stream-ruby-2.5
+            rubygem-bson:
+                # From rubygem-bson.spec Summary
+                rationale: >-
+                    Ruby Implementation of the BSON specification
+                buildorder: 102
+                ref: private-jaruga-stream-ruby-2.5
+            rubygem-mongo:
+                # From rubygem-mongo.spec Summary
+                rationale: >-
+                    Ruby driver for MongoDB
+                buildorder: 103
+                ref: private-jaruga-stream-ruby-2.5
+    buildopts:
+        rpms:
+            macros: |
+                %_without_rubypick 1
+                %_without_systemtap 1
+                %_without_git 1
+                %_without_cmake 1
+    api:
+        # RPMs
+        # From *.spec %package
+        # *-doc are filtered.
+        rpms:
+            # From ruby.spec
+            - ruby
+            - ruby-devel
+            # - ruby-doc
+            - ruby-irb
+            - ruby-libs
+            - rubygems
+            - rubygems-devel
+            - rubygem-bigdecimal
+            - rubygem-did_you_mean
+            - rubygem-io-console
+            - rubygem-json
+            - rubygem-minitest
+            - rubygem-net-telnet
+            - rubygem-openssl
+            - rubygem-power_assert
+            - rubygem-psych
+            - rubygem-rake
+            - rubygem-rdoc
+            - rubygem-test-unit
+            - rubygem-xmlrpc
+            # From rubygem-bundler.spec
+            - rubygem-bundler
+            # - rubygem-bundler-doc
+    filter:
+        # RPMs
+        rpms:
+            - ruby-doc
+            - rubygem-bundler-doc
+    # Add profiles/default as a temporary workflow,
+    # because of a issue for omitted profiles element.
+    profiles:
+        default:
+            rpms:
+                - ruby
diff --git a/sources b/sources
new file mode 100644
index 0000000..e69de29
diff --git a/tests/Makefile b/tests/Makefile
new file mode 100644
index 0000000..6683583
--- /dev/null
+++ b/tests/Makefile
@@ -0,0 +1,6 @@
+# Installation
+# https://meta-test-family.readthedocs.io/en/latest/installation.html#installing-mtf
+test:
+	mtf-env-set
+	mtf-generator
+	mtf -l *.py
diff --git a/tests/config.yaml b/tests/config.yaml
new file mode 100644
index 0000000..491e3bf
--- /dev/null
+++ b/tests/config.yaml
@@ -0,0 +1,15 @@
+document: modularity-testing
+version: 1
+name: ruby
+modulemd-url: https://src.fedoraproject.org/cgit/modules/ruby.git/plain/ruby.yaml
+packages:
+    rpms:
+        - ruby
+module:
+    rpm:
+        url: http://ftp.fi.muni.cz/pub/linux/fedora/linux/releases/26/Everything/x86_64/os/
+    docker:
+        url: docker.io/centos/ruby-23-centos7
+test:
+    version:
+        - 'ruby -v'