up spring boot 3 version

Author: OKaluzny

README.md

@@ -4,7 +4,7 @@
 
 ### Technology stack:
 
-* Spring Boot 2;
+* Spring Boot 3;
 * Spring Web;
 * Spring Data;
 * PostgreSQL database;
@@ -20,5 +20,3 @@ mvn spring-boot:run
 
 ### The view in the Postman: 
 [http://localhost:8080/api/books](http://localhost:8080/api/books)
-
-![alt tag]()

pom.xml

@@ -13,11 +13,11 @@
         <project.build.sourceEncoding>${project.encoding}</project.build.sourceEncoding>
         <project.reporting.outputEncoding>${project.encoding}</project.reporting.outputEncoding>
 
-        <java.version>1.8</java.version>
-        <spring.boot.version>2.2.1.RELEASE</spring.boot.version>
-        <lombok.version>1.18.10</lombok.version>
+        <java.version>17</java.version>
+        <spring.boot.version>3.1.1</spring.boot.version>
+        <lombok.version>1.18.28</lombok.version>
         <postgreSQL.version>42.2.8</postgreSQL.version>
-        <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
+
     </properties>
 
     <dependencies>
@@ -74,7 +74,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>${maven-compiler-plugin.version}</version>
+
                 <configuration>
                     <source>${java.version}</source>
                     <target>${java.version}</target>

src/main/java/com/kaluzny/domain/Book.java

@@ -1,8 +1,9 @@
 package com.kaluzny.domain;
 
+import jakarta.persistence.*;
 import lombok.*;
 
-import javax.persistence.*;
+
 import java.util.ArrayList;
 import java.util.List;
 

src/main/java/com/kaluzny/web/BookRestController.java

@@ -2,13 +2,14 @@
 
 import com.kaluzny.domain.Book;
 import com.kaluzny.domain.BookRepository;
+import jakarta.persistence.EntityNotFoundException;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.web.bind.annotation.*;
 
-import javax.persistence.EntityNotFoundException;
+
 import java.util.Collection;
 
 @RestController