# Spring Profiles
- 환경에 맞게 설정을 가져오기
- 여러가지 방식으로 설정
  - Bean @Profile
  - jvm properties
  - web.xml
  - Environment
  - `@ActiveProfiles`

## Sample

```java
@Component
@Profile("dev")
public class DevDatasourceConfig
```

```java
@Component
@Profile("!dev")
public class DevDatasourceConfig
```

```xml
<beans profile="dev">
  <bean id="devDatasourceConfig"
    class="com.okdevtv.profiles.DevDatasourceConfig" />
</beans>
```

- `WebApplicationInitializer`

```java
@Configuration
public class MyWebApplicationInitializer implements WebApplicationInitializer {

  @Override
  public void onStartup(ServletContext servletContext) throws ServletException {
    servletContext.setInitParameter("spring.profiles.active", "dev");
  }
}
```

- `ConfigurableEnvironment`

```java
@Autowired
private ConfigurableEnvironment env;
// ...
env.setActiveProfiles("someProfile");
```

- JVM System Parameter

```
-Dspring.profiles.active=dev
```

- linux

```
export spring_profiles_active=dev
```

- Test

```java
@ActiveProfiles("dev")
```

## related
- [환경변수](/mib/env)

## ref
- https://www.baeldung.com/spring-profiles