Spring boot with Redis

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

spring.redis.database=10
spring.redis.host=localhost
spring.redis.port=6379
spring.redis.password=
spring.redis.pool.max-active=8
spring.redis.pool.max-wait=-1
spring.redis.pool.max-idle=8
spring.redis.pool.min-idle=0
spring.redis.timeout=0			

	@Autowired
	private StringRedisTemplate stringRedisTemplate;
	
	@RequestMapping("/test")
	@ResponseBody
	public String test() {
		String message = "";
		stringRedisTemplate.opsForValue().set("hello", "world");
		message = stringRedisTemplate.opsForValue().get("hello");
		return message;
	}