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Added copyright markers to documentation sources.
author Ruslan Ermilov <ru@nginx.com>
date Tue, 10 Jul 2012 12:59:42 +0000
parents ec4626d04879
children 764fbac1b8b4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 <!--
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2 Copyright (C) Nginx, Inc.
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3 -->
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4
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5 <!DOCTYPE article SYSTEM "../../../../dtd/article.dtd">
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7 <article name="Is there a proper way to use nginx variables to
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8 make sections of the configuration shorter,
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9 using them as macros for making
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10 parts of configuration work as templates?"
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11 link="/en/docs/faq/variables_in_config.html"
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12 lang="en">
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13
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14 <section>
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15
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16 <para>
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17 <initial>Q:</initial>
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18 Is there a proper way to use nginx variables to make sections of
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19 the configuration shorter, using them as macros for making
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20 parts of configuration work as templates?
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21 </para>
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22
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23 <para>
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24 &nbsp;
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25 </para>
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27 <para>
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28 <initial>A:</initial>
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29 Variables should not be used as template macros. Variables are
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30 evaluated in the run-time during the processing of each
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31 request, so they are rather costly compared to plain static
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32 configuration. Using variables to store static strings is also
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33 a bad idea. Instead, a macro expansion and "include" directives
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34 should be used to generate configs more easily and it can be
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35 done with the external tools, e.g. sed + make or any other
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36 common template mechanism.
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37 </para>
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39 </section>
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40
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41 </article>