Simple webserver in Bash for Raspberry Pi using Docker

Dockerfile

FROM sdhibit/rpi-raspbian
RUN apt-get update && apt-get install -y netcat-openbsd
RUN echo 'HTTP/1.1 200 OK'              >> www
RUN echo 'Content-Type: text/html'      >> www
RUN echo                                >> www
RUN echo '<h1>Hello <i>world!</i></h1>' >> www
EXPOSE 9999
CMD ["/bin/bash", "-c", "while true ; do nc -l 9999 < www > /dev/null ; done"]