Working with Profiles in Maven
Maven allows you to customize a project’s build configuration for different environment or conditions. This can be done through profiles.
Profiles allow you to define a set of configuration options that are activated only under certain conditions, such as a specific environment or build context.
Profiles can be defined in a project's
pom.xml file, or in an external XML file. Here's an example of a profile defined in a
<project> ... <profiles> <profile> <id>dev</id> <activation> <activeByDefault>true</activeByDefault> </activation> <properties> <database.driver>com.mysql.jdbc.Driver</database.driver> <database.url>jdbc:mysql://localhost/devdb</database.url> <database.username>devuser</database.username> <database.password>devpass</database.password> </properties> </profile> <profile> <id>prod</id> <properties> <database.driver>com.mysql.jdbc.Driver</database.driver> <database.url>jdbc:mysql://localhost/proddb</database.url> <database.username>produser</database.username> <database.password>prodpass</database.password> </properties> </profile> </profiles> ... </project>
In this example, two profiles are defined:
dev profile is active by default, and sets the database configuration properties for a development environment. The
prod profile sets the database configuration properties for a production environment.
To activate a profile, you can use the
-P command line option when running Maven. For example, to activate the
prod profile, you can run the following command:
mvn clean install -Pprod
This will activate the
prod profile, and use the database configuration properties defined in that profile.
In addition to property settings, profiles can also define other configuration options such as plugin configurations, build profiles, and more.
By using profiles, you can create a flexible and customizable build configuration that can be tailored to different environments and situations.
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