50 lines
1.3 KiB
Java
50 lines
1.3 KiB
Java
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<h2>Comments</h2>
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<pre><code># These are the comments for a dockerfile.
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# I want to make sure $(variables) don't break out,
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# and we shouldn't see keywords like ADD or ENTRYPOINT
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</code></pre>
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<h2>Full example</h2>
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<pre><code># Nginx
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#
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# VERSION 0.0.1
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FROM ubuntu
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MAINTAINER Victor Vieux <victor@docker.com>
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LABEL Description="This image is used to start the foobar executable" Vendor="ACME Products" Version="1.0"
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RUN apt-get update && apt-get install -y inotify-tools nginx apache2 openssh-server
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# Firefox over VNC
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#
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# VERSION 0.3
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FROM ubuntu
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# Install vnc, xvfb in order to create a 'fake' display and firefox
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RUN apt-get update && apt-get install -y x11vnc xvfb firefox
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RUN mkdir ~/.vnc
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# Setup a password
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RUN x11vnc -storepasswd 1234 ~/.vnc/passwd
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# Autostart firefox (might not be the best way, but it does the trick)
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RUN bash -c 'echo "firefox" >> /.bashrc'
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EXPOSE 5900
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CMD ["x11vnc", "-forever", "-usepw", "-create"]
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# Multiple images example
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#
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# VERSION 0.1
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FROM ubuntu
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RUN echo foo > bar
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# Will output something like ===> 907ad6c2736f
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FROM ubuntu
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RUN echo moo > oink
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# Will output something like ===> 695d7793cbe4
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# You᾿ll now have two images, 907ad6c2736f with /bar, and 695d7793cbe4 with
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# /oink.
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</code></pre>
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