Spring-Boot Notes

spring-boot_notes.md

Spring-Boot Notes

Properties

• Option 01 - Using @Value

@Value( "${jdbc.url:aDefaultUrl}" )
private String jdbcUrl;

Note how the default value is provided

• Option 02 - Using Environment class

@Autowired
private Environment env;

env.getProperty("jdbc.url");

• List of Spring-boot common properties https://docs.spring.io/spring-boot/docs/current/reference/html/common-application-properties.html

Reference

• http://www.baeldung.com/properties-with-spring

Profiles

• mvn spring-boot:run -Drun.profiles=dev
• java -jar -Dspring.profiles.active=dev XXX.jar