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Document spring.profiles.default in the reference guide
Closes gh-26592
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@ -349,6 +349,22 @@ See "`<<spring-boot-features.adoc#boot-features-profiles>>`" in the "`Spring Boo
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[[howto-set-default-spring-profile-name]]
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=== Set the Default Profile Name
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The default profile is a profile that is enabled if no profile is active.
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By default, the name of the default profile is `default`, but it could be changed using a System property (configprop:spring.profiles.default[]) or an OS environment variable (configprop:spring.profiles.default[format=envvar]).
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In Spring Boot, you can also set the default profile name in `application.properties`, as shown in the following example:
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[source,properties,indent=0,subs="verbatim,quotes,attributes",configprops]
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----
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spring.profiles.default=dev
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----
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See "`<<spring-boot-features.adoc#boot-features-profiles>>`" in the "`Spring Boot features`" section for more information.
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[[howto-change-configuration-depending-on-the-environment]]
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=== Change Configuration Depending on the Environment
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A YAML file is actually a sequence of documents separated by `---` lines, and each document is parsed separately to a flattened map.
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@ -1667,6 +1667,14 @@ For example, you could include it in your `application.properties`, as shown in
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You could also specify it on the command line by using the following switch: `--spring.profiles.active=dev,hsqldb`.
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If no profile is active, a default profile is enabled.
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The name of the default profile is `default` and it can be tuned using the configprop:spring.profiles.default[] `Environment` property, as shown in the following example:
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[source,properties,indent=0,configprops]
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----
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spring.profiles.default=none
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----
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[[boot-features-adding-active-profiles]]
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