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Merge pull request #2236 from SvenDowideit/2209-comments-doc
#2209 - add the example @tianon gave to elaborate on the Comment docume...
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1 changed files with 8 additions and 2 deletions
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@ -54,8 +54,14 @@ Docker evaluates the instructions in a Dockerfile in order. **The
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first instruction must be `FROM`** in order to specify the
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:ref:`base_image_def` from which you are building.
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Docker will ignore **comment lines** *beginning* with ``#``. A comment
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marker anywhere in the rest of the line will be treated as an argument.
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Docker will treat lines that *begin* with ``#`` as a comment. A ``#``
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marker anywhere else in the line will be treated as an argument. This
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allows statements like:
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::
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# Comment
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RUN echo 'we are running some # of cool things'
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3. Instructions
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===============
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