#nacos dev env PREFER_HOST_MODE=hostname NACOS_SERVERS=nacos1:8848 nacos2:8849 nacos3:8850 SPRING_DATASOURCE_PLATFORM=mysql MYSQL_SERVICE_HOST=mysql MYSQL_SERVICE_DB_NAME=nacos_devtest MYSQL_SERVICE_PORT=3306 MYSQL_SERVICE_USER=nacos MYSQL_SERVICE_PASSWORD=nacos MYSQL_SERVICE_DB_PARAM=characterEncoding=utf8&connectTimeout=1000&socketTimeout=3000&autoReconnect=true&useSSL=false&allowPublicKeyRetrieval=true