🐳 Docker Compose - MySQL, Spring Boot, Redis λ™μ‹œ μ‹€ν–‰

JeongHoHyunΒ·2025λ…„ 5μ›” 3일
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🐳 Docker Compose 2κ°œμ΄μƒ μ»¨ν…Œμ΄λ„ˆ 관리

Spring Boot, MySQL, Redis λ™μ‹œ μ‹€ν–‰

1. Spring Boot ν”„λ‘œμ νŠΈ μ„ΈνŒ…

  • Java 17버전
  • DependenciesλŠ” Spring Boot DevTools, Spring Web, Spring Data JPA, MySQL Driver 선택

2. κ°„λ‹¨ν•œ μ½”λ“œ μž‘μ„±

RedisConfig

package com.example.demo;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@Configuration
public class RedisConfig {
    @Bean
    public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
        RedisTemplate<String, Object> template = new RedisTemplate<>();
        template.setConnectionFactory(redisConnectionFactory);
        template.setKeySerializer(new StringRedisSerializer());
        template.setValueSerializer(new GenericJackson2JsonRedisSerializer());
        return template;
    }
}

AppController

package com.example.demo;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class AppController {
    @Autowired
    private RedisTemplate<String, Object> redisTemplate;

    @GetMapping("/")
    public String home() {
        redisTemplate.opsForValue().set("abc", "def");
        return "Hello World!";
    }
}

3. Dockerfile μž‘μ„±

Dockerfile

FROM openjdk:17-jdk

COPY build/libs/*SNAPSHOT.jar /app.jar

ENTRYPOINT ["java", "-jar", "/app.jar"]

⭐️ 4. compose.yml μž‘μ„±

compose.yml

services:
  my-sever:
    build: .
    ports:
      - 8080:8080
    depends_on:
      my-db:
        condition: service_healthy
      my-cache-server:
        condition: service_healthy

  my-db:
    image: mysql
    environment:
      MYSQL_ROOT_PASSWORD: pwd1234
      MYSQL_DATABASE: mydb
    volumes:
      - ./mysql_data:/var/lib/mysql
    ports:
      - 3306:3306
    healthcheck:
      test: ["CMD", "mysqladmin", "ping"]
      interval: 5s
      retries: 10

  my-cache-server:
    image: redis
    ports:
      - 6379:6379
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      retries: 10
  • μ—¬κΈ°μ„œ Spring Bootμ„œλ²„κ°€ κ°€μž₯ 늦게 λ– μ•Ό μ •μƒμ—°κ²°λ˜λ―€λ‘œ depends_on을 μž‘μ„±ν•΄μ€€λ‹€.
  • 각각 MySQLμ„œλ²„μ™€ Redisμ„œλ²„μ˜ healthcheckλ₯Ό μ§„ν–‰ν•˜κ³ , μ •μƒμ μœΌλ‘œ μ˜¬λΌκ°„ 뒀에 Spring Bootμ„œλ²„κ°€ μ˜¬λΌκ°€κ²Œ λœλ‹€.

⭐️ 5. application.yml μž‘μ„±

spring:
  datasource:
    url: jdbc:mysql://my-db:3306/mydb
    username: root
    password: pwd1234
    driver-class-name: com.mysql.cj.jdbc.Driver
  data:
    redis:
      host: my-cache-server
      port: 6379
  • μ—¬κΈ°μ„œ datasource의 urlκ³Ό redis의hostλ₯Ό localhost둜 μ„€μ •ν•˜λ©΄ 각각 μ»¨ν…Œμ΄λ„ˆ μž…μž₯μ—μ„œμ˜ ν•΄λ‹Ή 포트λ₯Ό 가리킀기 λ•Œλ¬Έμ— 연결이 λ˜μ§€ μ•ŠλŠ”λ‹€.
  • λ”°λΌμ„œ compose.ymlνŒŒμΌμ—μ„œ μž‘μ„±ν•œ 이름을 적어주어야 ν•œλ‹€.

6. Spring Boot ν”„λ‘œμ νŠΈ λΉŒλ“œ

./gradlew clean build

7. compose 파일 μ‹€ν–‰

docker compose up -d --build

8. compose 파일 μ‹€ν–‰ ν˜„ν™© 보기

docker compose ps
docker ps
docker logs [Container ID]

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Java Back-End 2022.11.01 πŸ’»~ing

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