Java（SpringBoot）+ Eclipceのはじめかた

package com.example.demo.controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloController {

    @GetMapping("/hello")
    public String hello() {
        return "Hello World";
    }
}

spring.jpa.hibernate.ddl-auto=update
spring.datasource.url=jdbc:mysql://localhost:3306/app_db
spring.datasource.username=app_db
spring.datasource.password=secret
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
#spring.jpa.show-sql: true

dependencies {
	implementation 'org.springframework.boot:spring-boot-starter-web'
	compileOnly 'org.projectlombok:lombok'
	developmentOnly 'org.springframework.boot:spring-boot-devtools'
	runtimeOnly 'com.mysql:mysql-connector-j'
	annotationProcessor 'org.projectlombok:lombok'
	providedRuntime 'org.springframework.boot:spring-boot-starter-tomcat'
	testImplementation 'org.springframework.boot:spring-boot-starter-test'
	implementation 'org.flywaydb:flyway-core' //追記
}

	<dependencies>
		<dependency>
			<groupId>org.flywaydb</groupId>
			<artifactId>flyway-core</artifactId>
		</dependency>
		<dependency>
			<groupId>org.flywaydb</groupId>
			<artifactId>flyway-mysql</artifactId>
		</dependency>
	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.flywaydb</groupId>
				<artifactId>flyway-maven-plugin</artifactId>
				<configuration>
					<url>jdbc:mysql://localhost:3306/app_db</url>
					<user>app_db</user>
					<password>secret</password>
					<schemas>
						<schema>app_db</schema>
					</schemas>
				</configuration>
			</plugin>
		</plugins>
	</build>

spring.datasource.url=jdbc:mysql://localhost:3306/app_db
spring.datasource.username=app_db
spring.datasource.password=secret
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.flyway.baseline-on-migrate=true
spring.flyway.enabled=true
spring.jpa.hibernate.ddl-auto=update

CREATE TABLE IF NOT EXISTS `books` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `user_id` INT NOT NULL,
  `begin_dt` DATETIME NOT NULL,
  `end_dt` DATETIME NOT NULL,
  PRIMARY KEY (`id`))
ENGINE = InnoDB;

CREATE TABLE IF NOT EXISTS `users` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `last_name` VARCHAR(45) NOT NULL,
  `first_name` VARCHAR(45) NOT NULL,
  `sex` ENUM('male', 'femail') NULL,
  `birth` DATE NULL,
  PRIMARY KEY (`id`))
ENGINE = InnoDB;

CREATE TABLE IF NOT EXISTS `menus` (
  `id` INT NOT NULL,
  `name` VARCHAR(45) NULL,
  `default_time_slot` INT NULL,
  PRIMARY KEY (`id`))
ENGINE = InnoDB;

CREATE TABLE IF NOT EXISTS `book_menus` (
  `id` INT NOT NULL AUTO_INCREMENT,
  `book_id` INT NOT NULL,
  `menu_id` INT NOT NULL,
  PRIMARY KEY (`id`))
ENGINE = InnoDB;

> ./mvnw clean flyway:migrate
[INFO] Scanning for projects...
[INFO] 
[INFO] ------------------------< com.example:jar-demo >------------------------
[INFO] Building jar-demo 0.0.1-SNAPSHOT
[INFO]   from pom.xml
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- clean:3.3.2:clean (default-clean) @ jar-demo ---
[INFO] Deleting /xxx/workspace/jar-demo/target
[INFO] 
[INFO] --- flyway:9.22.3:migrate (default-cli) @ jar-demo ---
[INFO] Flyway Community Edition 9.22.3 by Redgate
[INFO] See release notes here: https://rd.gt/416ObMi
[INFO] 
[INFO] Database: jdbc:mysql://localhost:3306/app_db (MySQL 8.0)
[INFO] Successfully validated 1 migration (execution time 00:00.033s)
[INFO] Current version of schema `app_db`: 1
[INFO] Schema `app_db` is up to date. No migration necessary.
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  1.087 s
[INFO] Finished at: 2023-12-31T21:22:06+09:00
[INFO] ------------------------------------------------------------------------

./gradlew flywayMigrate

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-data-jdbc</artifactId>
		</dependency>

runtime: java17
env: standard

instance_class: F1

automatic_scaling:
  min_instances: 0
  max_instances: 2
  min_idle_instances: 0
  max_idle_instances: 2

> gcloud auth login
> gcloud config set project <projectID>
> gcloud app deploy
...
You can stream logs from the command line by running:
  $ gcloud app logs tail -s default

To view your application in the web browser run:
  $ gcloud app browse

FROM openjdk:17

WORKDIR /app

COPY target/your-spring-boot-app.jar /app/app.jar

EXPOSE 8080

CMD ["java", "-jar", "app.jar"]

version: "3"

services:
  app:
    platform: linux/x86_64
    container_name: app
    image: maven:3.8.3-openjdk-17
    command: mvn spring-boot:run
    ports:
      - 8080:8080
    volumes:
      - ./src:/usr/src/spring-project
    working_dir: /usr/src/spring-project

spring.datasource.url=jdbc:mysql://localhost:3306/app_db //eclipce + mysqlコンテナ
spring.datasource.url=jdbc:mysql://mysql:3306/app_db //docker-compose