#nacos dev env NACOS_SERVERS=172.16.238.10:8848 172.16.238.11:8848 172.16.238.12:8848 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