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Spring Boot で Rest API 構築 その4 - MySQL への接続設定

Last updated at Posted at 2019-10-06

Outline

  • Spring Boot のアプリケーションから MySQL への接続設定を行う

元々の問題

Spring Initializr で構築したアプリケーションを起動するとエラーが発生していた
https://qiita.com/sawa-@github/items/292a665fecf212ccc38a#とりあえず起動してみる

設定

MySQL への接続情報を設定ファイルに追加する

src/main/resources/application.yml
spring:
  datasource:
    url: jdbc:mysql://localhost:3306/rest_api?useSSL=false
    username: root
    password: root
    driverClassName: com.mysql.cj.jdbc.Driver

アプリケーションの起動

docker-compose で MySQL コンテナを起動

$ docker-compose up -d
Starting rest-api-mysql ... done

アプリケーション起動

Run ボタンを押す

190817-0005.png


  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::        (v2.1.7.RELEASE)

(省略)

2019-10-06 22:25:18.208  INFO 43050 --- [  restartedMain] c.e.s.SpringBootRestApiApplication       : Started SpringBootRestApiApplication in 4.536 seconds (JVM running for 5.495)

起動するだけの空っぽなアプリケーションだけど起動まで出来るようになりました

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