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Docker and Kubernetes for Java Developers by Jaroslaw Krochmalski

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Application entry point

Our application entry point will be named BookStoreApplication and will be BookstoreApplication.java:

package pl.finsys.example; 
 
import org.springframework.boot.SpringApplication; 
import org.springframework.boot.autoconfigure.SpringBootApplication; 
 
@SpringBootApplication 
public class BookstoreApplication { 
 
    public static void main(final String[] args) { 
        SpringApplication.run(BookstoreApplication.class, args); 
    } 
} 

That's it. The whole nine lines of code, not counting blank lines. It could not be more concise. The @SpringBootApplication is a kind of shortcut annotation, which is very convenient. It replaces all of the following annotations:

  • @Configuration: A class marked with this annotation becomes a source of bean ...

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