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The Codex »
Factor 3: Config
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<h1 id="factor-3-config">Factor 3: Config</h1>
<p><a href="http://www.12factor.net/config">This section</a> advises using environment
variables for everything.</p>
<blockquote>
<p><a href="https://twitter.com/derspiny">Owen J</a>: I think I disagree with
12factor's conclusions on config even though I agree with the premises
and rationale in general</p>
<p><a href="https://twitter.com/derspiny">Owen J</a>: environment variables
are neither exceptionally portable, exceptionally standard, nor
exceptionally easy to manage</p>
<p><a href="https://twitter.com/derspiny">Owen J</a>: and therefore should not be
the exceptional configuration mechanism :)</p>
<p><a href="https://twitter.com/wlonk">Kit L</a>: that's exactly the critique i have</p>
</blockquote>
<p>Frustratingly, the config section doesn't provide any guidance on sensible
ways to <em>manage</em> environment variables. In any real-world deployment, they're
going to have to be stored somewhere; where's appropriate? <code>.bash_profile</code>?
<code>httpd.con</code> as <code>SetEnv</code> directives? Per-release <code>rc</code> files? <code>/etc/init.d</code>?</p>
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