使用一些来自互联网的指导，github的仓库，教程和诸如此类的东西，我试图使用react-spring-mysql堆栈运行一个应用程序。从我对mysql容器的理解来看，它拒绝了连接，但我不知道为什么。
这是我的application.properties：

spring.datasource.url=jdbc:mysql://${DB_HOSTNAME}:${DB_PORT}/${DB_DATABASE}?createDatabaseIfNotExist=true&autoReconnect=true&useSSL=false
spring.datasource.username=${DB_USERNAME}
spring.datasource.password=${DB_PASSWORD}
spring.jpa.hibernate.ddl-auto = create-drop
spring.datasource.max-wait=20000
spring.datasource.max-active=50
spring.datasource.max-idle=20
spring.datasource.min-idle=15
spring.datasource.max_allowed_packet=33554432
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL8Dialect
spring.jpa.hibernate.ddl-auto=update
spring.jpa.show-sql=true
spring.jpa.properties.hibernate.format_sql=true
spring.servlet.multipart.enabled=true
spring.servlet.multipart.max-request-size=50MB
spring.servlet.multipart.max-file-size=50MB

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这是spring项目根目录中的Dockerfile：

FROM maven:3.9-eclipse-temurin-17-alpine as build
WORKDIR /app
COPY pom.xml ./
COPY src src/
RUN mvn clean install -Dmaven.test.skip=true
# Run the app in a minimal java container
FROM eclipse-temurin:17-jre-alpine
VOLUME /tmp
EXPOSE 8080
ARG JAR_FILE=/app/target/*.jar
COPY --from=build ${JAR_FILE} app.jar
ENTRYPOINT ["java","-jar","/app.jar"]

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这是我的docker-compose：

services:
  airclone_mysql:
    image: mysql:8.2
    container_name: airclone_mysql
    restart: always
    ports:
      - 3307:3306
    environment:
      - MYSQL_ROOT_PASSWORD=airclone1
      - MYSQL_USER=airclone
      - MYSQL_PASSWORD=airclone1
      - MYSQL_DATABASE=airclone
    volumes:
      - type: volume
        source: mysql-data
        target: /var/lib/mysql
    networks:
      - localnet
  airclone_backend:
    depends_on:
      - airclone_mysql
    container_name: airclone_backend
    build:
      context: ./backend
      dockerfile: Dockerfile
    environment:
      - DB_HOSTNAME=airclone_mysql
      - DB_PORT=3307
      - DB_USERNAME=airclone
      - DB_PASSWORD=airclone1
      - DB_DATABASE=airclone
    ports:
      - "8080:8080"
    networks:
      - localnet
  airclone_frontend:
    depends_on:
      - airclone_backend
    container_name: airclone_frontend
    build:
      context: ./frontend
      dockerfile: Dockerfile
    ports:
      - "5173:5173"
    networks:
      - localnet
volumes:
  mysql-data:
networks:
  localnet:
    driver: bridge

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我错过了什么？
容器日志中错误的最后一部分说：

2023-12-12 16:50:55 Caused by: com.mysql.cj.exceptions.CJCommunicationsException: Communications link failure
2023-12-12 16:50:55 The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
2023-12-12 16:50:55     at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[na:na]
2023-12-12 16:50:55     at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[na:na]
2023-12-12 16:50:55     at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[na:na]
2023-12-12 16:50:55     at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Unknown Source) ~[na:na]
2023-12-12 16:50:55     at java.base/java.lang.reflect.Constructor.newInstance(Unknown Source) ~[na:na]
2023-12-12 16:50:55     at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62) ~[mysql-connector-j-8.1.0.jar!/:8.1.0]
2023-12-12 16:50:55     at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105) ~[mysql-connector-j-8.1.0.jar!/:8.1.0]
2023-12-12 16:50:55     at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:150) ~[mysql-connector-j-8.1.0.jar!/:8.1.0]
2023-12-12 16:50:55     at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:166) ~[mysql-connector-j-8.1.0.jar!/:8.1.0]
2023-12-12 16:50:55     at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:89) ~[mysql-connector-j-8.1.0.jar!/:8.1.0]
2023-12-12 16:50:55     at com.mysql.cj.NativeSession.connect(NativeSession.java:121) ~[mysql-connector-j-8.1.0.jar!/:8.1.0]
2023-12-12 16:50:55     at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:833) ~[mysql-connector-j-8.1.0.jar!/:8.1.0]
2023-12-12 16:50:55     ... 156 common frames omitted
2023-12-12 16:50:55 Caused by: java.net.ConnectException: Connection refused
2023-12-12 16:50:55     at java.base/sun.nio.ch.Net.pollConnect(Native Method) ~[na:na]
2023-12-12 16:50:55     at java.base/sun.nio.ch.Net.pollConnectNow(Unknown Source) ~[na:na]
2023-12-12 16:50:55     at java.base/sun.nio.ch.NioSocketImpl.timedFinishConnect(Unknown Source) ~[na:na]
2023-12-12 16:50:55     at java.base/sun.nio.ch.NioSocketImpl.connect(Unknown Source) ~[na:na]
2023-12-12 16:50:55     at java.base/java.net.SocksSocketImpl.connect(Unknown Source) ~[na:na]
2023-12-12 16:50:55     at java.base/java.net.Socket.connect(Unknown Source) ~[na:na]
2023-12-12 16:50:55     at com.mysql.cj.protocol.StandardSocketFactory.connect(StandardSocketFactory.java:153) ~[mysql-connector-j-8.1.0.jar!/:8.1.0]
2023-12-12 16:50:55     at com.mysql.cj.protocol.a.NativeSocketConnection.connect(NativeSocketConnection.java:63) ~[mysql-connector-j-8.1.0.jar!/:8.1.0]
2023-12-12 16:50:55     ... 158 common frames omitted

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