An example of #markdown #HTML conversion from standard input / output using #ruker gem's redcarpet / reverse_markdown with #docker

Dockerfile

 FROM ruby RUN gem install reverse_markdown redcarpet 

EXE

 docker build . -t ruby-gems 

 $ echo '<h1>hey</h1>' | docker run -i ruby-gems reverse_markdown # hey $ echo "abc" | docker run -i ruby-gems redcarpet <p>abc</p> 

# Maybe badcase

 $ docker run ruby-gems /bin/bash -c "echo '<h1>head</h1>' | reverse_markdown" # head $ docker run ruby-gems /bin/bash -c "echo '# h1' | redcarpet" <h1>h1</h1> 

ref

| Docker Documentation

Original by Github issue

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