Michael A. Smith 95fe3a1a93 Distinguish ENV from setting environment inline ... It's ambiguous to say that `ENV` is _functionally equivalent to prefixing the command with `<key>=<value>`_. `ENV` sets the environment for all future commands, but `RUN` can take chained commands like `RUN foo=bar bash -c 'echo $foo' && bash -c 'echo $foo $bar'`. Users with a solid understanding of `exec` may grok this without confusion, but less experienced users may need this distinction. Signed-off-by: Michael A. Smith <msmith3@ebay.com> Improve Environment Handling Descriptions - Link `ENV` and `Environment Replacement` - Improve side-effects of `ENV` text - Rearrange avoiding side effects text Signed-off-by: Michael A. Smith <msmith3@ebay.com>		2017-06-02 00:06:46 +00:00
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reference	Distinguish ENV from setting environment inline	2017-06-02 00:06:46 +00:00