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Add clarification about plural env vars (#252)

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Nelson Menezes 2019-08-27 18:15:33 +02:00 committed by Dan Bond
parent 6683e35008
commit 82a3d5afdc
1 changed files with 6 additions and 4 deletions
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10
docs/configuration/configuration.md
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@ -126,12 +126,14 @@ Multiple upstreams can either be configured by supplying a comma separated list
Every command line argument can be specified as an environment variable by
prefixing it with `OAUTH2_PROXY_`, capitalising it, and replacing hypens (`-`)
with underscores (`_`). This is particularly useful for storing secrets outside
of a configuration file or the command line.
with underscores (`_`). If the argument can be specified multiple times, the
environment variable should be plural (trailing `S`).
For example, the `--cookie-secret` flag becomes `OAUTH2_PROXY_COOKIE_SECRET` and
the `--set-authorization-header` flag becomes `OAUTH2_PROXY_SET_AUTHORIZATION_HEADER`.
This is particularly useful for storing secrets outside of a configuration file
or the command line.
For example, the `--cookie-secret` flag becomes `OAUTH2_PROXY_COOKIE_SECRET`,
and the `--email-domain` flag becomes `OAUTH2_PROXY_EMAIL_DOMAINS`.
## Logging Configuration