[Docker] docker-compose 이용해 redis 띄우기

IntelliJ

build.gradle

dependencies {
  ...

	// Redis
	implementation 'org.springframework.boot:spring-boot-starter-data-redis'
	implementation 'redis.clients:jedis:3.3.0'
}

application.yml

spring:
  redis:
    host: redis
    port: 6379

docker-compose.yml

version: '3'

services:
  redis:
    image: redis:alpine
    command: redis-server --port 6379
    container_name: redis_db
#    hostname: redis_db
    labels:
      - "name=redis"
      - "mode=standalone"
    ports:
      - "6379:6379"

redisConfig.java

@Configuration
public class RedisConfig {

    @Value("${spring.redis.host}")
    private String host;

    @Value("${spring.redis.port}")
    private int port;

    @Bean
    public RedisConnectionFactory redisConnectionFactory() {
        RedisStandaloneConfiguration redisStandaloneConfiguration = new RedisStandaloneConfiguration();
        redisStandaloneConfiguration.setHostName(host);
        redisStandaloneConfiguration.setPort(port);
        return new LettuceConnectionFactory(redisStandaloneConfiguration);
    }

    @Bean
    public RedisTemplate<String, String> redisTemplate() {
        RedisTemplate<String, String> redisTemplate = new RedisTemplate<>();
        redisTemplate.setKeySerializer(new StringRedisSerializer());
        redisTemplate.setValueSerializer(new StringRedisSerializer());
        redisTemplate.setConnectionFactory(redisConnectionFactory());
        return redisTemplate;
    }
}

redisController.java

@RestController
@RequestMapping("/redis")
public class RedisController {

    private final RedisTemplate<String, String> redisTemplate;

    @Autowired
    public RedisController(RedisTemplate<String, String> redisTemplate) {
        this.redisTemplate = redisTemplate;
    }

    // set
    @PostMapping("")
    public String setRedisKey(@RequestBody Map<String, String> req){
        ValueOperations<String, String> vop = redisTemplate.opsForValue();
        try {
            // Redis Set Key-value
            vop.set(req.get("key").toString(), req.get("value").toString());
            return "set message success";
        } catch (Exception e) {
            return "set message fail";
        }
    }

    // get
    @GetMapping("/{key}")
    public String getRedisKey(@PathVariable String key) {
        ValueOperations<String, String> vop = redisTemplate.opsForValue();
        return vop.get(key);
    }

}

EC2 인스턴스 접속

# 빌드
$ docker-compose up --build

# 실행
$ docker-compose up -d

Ref

• https://velog.io/@armton/Docker-Springboot-Redis-%EC%97%B0%EB%8F%99
• https://basketdeveloper.tistory.com/85

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