diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..d931155
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,8 @@
+FROM dannyben/alpine-ruby
+
+ENV PS1 "\n\n>> completely \W \$ "
+WORKDIR /app
+
+RUN gem install completely --version 0.4.3
+
+ENTRYPOINT ["completely"]
\ No newline at end of file
diff --git a/README.md b/README.md
index c46afcc..16412bb 100644
--- a/README.md
+++ b/README.md
@@ -32,7 +32,13 @@ or with homebrew:
 ```bash
 $ brew install brew-gem
 $ brew gem install completely
-````
+```
+
+or with Docker:
+
+```bash
+alias completely='docker run --rm -it --user $(id -u):$(id -g) --volume "$PWD:/app" dannyben/completely'
+```
 
 ## Using the `completely` command line
 
diff --git a/Runfile b/Runfile
index 160d168..40ea393 100644
--- a/Runfile
+++ b/Runfile
@@ -9,6 +9,7 @@ version Completely::VERSION
 
 RunfileTasks::RubyGems.all 'completely'
 RunfileTasks::Testing.rspec
+RunfileTasks::Docker.all 'dannyben/completely', Completely::VERSION
 
 help   "Run interactive console"
 action :console, :c do