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This article mainly explains "the difference between bootstrap.yml and application.yml in spring boot configuration". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn the difference between bootstrap.yml and application.yml in spring boot configuration.

Format of the 1.spring boot configuration file

Properties format

Yaml format

There is a flaw in spring for configuration files in yaml format. The @ PropertySource annotation does not support reading yaml configuration files, only properties configuration files. However, this problem can be read from the yaml configuration item by using the @ Value annotation.

The difference between 2.bootstrap.yml and application.yml

The bootstrap configuration file is a new startup configuration file for spring cloud, and the spring-cloud-context dependency needs to be introduced before it is loaded.

Bootstrap is loaded by the parent ApplicationContext, so it takes precedence over application

Because bootstrap takes precedence over application loading, it will not be overwritten

When using the configuration center spring cloud config, you need to configure the address of the configuration center in the bootstarp, so that when the parent ApplicationContext loads, the corresponding configuration is pulled from the configuration center to the application.

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