Caused by: java.net.ConnectException: Connection refused (Connection refused)

# JPA PROPS
spring.jpa.show-sql=true
spring.jpa.properties.hibernate.format_sql=true
spring.jpa.hibernate.ddl-auto=update
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL5Dialect
spring.jpa.hibernate.naming-strategy=org.hibernate.cfg.ImprovedNamingStrategy

spring.datasource.url=jdbc:mysql://db:3306/teste?useSSL=false&serverTimezone=UTC
spring.datasource.username=rafael
spring.datasource.password=password

spring.database.driverClassName =com.mysql.cj.jdbc.Driver

version: '3.5'
services:
  db:
    image: mysql:latest
    environment:
      - MYSQL_ROOT_PASSWORD=rootpass
      - MYSQL_DATABASE=teste
      - MYSQL_USER=rafael
      - MYSQL_PASSWORD=password
    ports:
      - 3306:3306
  web:
    image: spring-mysql
    depends_on:
      - db
    links:
      - db
    ports:
      - 8080:8080
    environment:
      - DATABASE_HOST=db
      - DATABASE_USER=rafael
      - DATABASE_NAME=teste
      - DATABASE_PORT=3306

FROM openjdk:8
ADD target/app.jar app.jar
EXPOSE 8080
ENTRYPOINT ["java", "-jar", "app.jar"]

command: ["./wait-for-it.sh", "db:3306", "--", "java", "-jar", "app.jar"]