[JAVA] Create Restapi with Spring Boot ((1) Until Run of App)

■ Create an app using Spring Initializer

SpringInitiallizer

■ Add lombok

build.gradle

dependencies {
    implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
    implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
    implementation 'org.springframework.boot:spring-boot-starter-web'
    developmentOnly 'org.springframework.boot:spring-boot-devtools'
    runtimeOnly 'mysql:mysql-connector-java'
    testImplementation('org.springframework.boot:spring-boot-starter-test') {
        exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
    }
    //Describe the lombok settings below
    compileOnly 'org.projectlombok:lombok:1.18.10'
    annotationProcessor 'org.projectlombok:lombok:1.18.10'
}

Reload gradle

Open Gradle from Tool,

Press the update button

Check if lombok is installed

entity/Product.java

package com.example.reviewapiapp.entity;

import lombok.Data;

@Data
public class Product {}

If you can install it, you can use @Data. If you haven't installed it, you can't use @Data.

mysql

mysql> SELECT user, host FROM mysql.user;
+---------------+-----------+
| user          | host      |
+---------------+-----------+
| hogehogehoge  | %         |
| hogehoge      | %         |
| mysql.session | localhost |
| mysql.sys     | localhost |
| root          | localhost |
+---------------+-----------+
5 rows in set (0.01 sec)

mysql> grant all on review_api_db.* to 'root'@'localhost';
Query OK, 0 rows affected (0.01 sec)

application.yml

spring:
  datasource:
    initialization-mode: always
    sql-script-encoding: UTF-8
    driver-class-name: com.mysql.cj.jdbc.Driver
  jpa:
    database: MYSQL
    hibernate:
      ddl-auto: none
  profiles:
    active: local

application-local.yml

spring:
  profiles:
    active: local
  datasource:
    url: jdbc:mysql://localhost:3306/review_api_db
    username: root
    driver-class-name: com.mysql.cj.jdbc.Driver
    schema: classpath:schema.sql

sql file

schema.sql

create table if not exists products
(
    id          bigint unsigned not null auto_increment primary key comment 'Product ID',
    title       varchar(100)    not null unique comment 'Product title',
    description varchar(500)    not null comment 'Product description',
    price       int unsigned    not null comment 'Product price',
    image_path  text comment 'Product image path',
    create_time datetime        not null default current_timestamp comment 'Creation date and time',
    update_time datetime        not null default current_timestamp on update current_timestamp comment 'Update date and time'
) comment 'Product table' engine = innodb
                   charset = utf8mb4;

You can run.