Failed to map both directory and file

[ktpktr0]

I used docker compose to deploy Kafka, started SASL, and failed to map the JAAS file into the container.

docker-compose:

version: '3.5'

services:
  zookeeper:
    image: wurstmeister/zookeeper:3.4.6   ## 镜像
    container_name: zookeeper
    ports:
      - "2181:2181"                 ## 对外暴露的端口号
    volumes:
      #- type: bind
      #  source: ./zookeeper/conf/zk_server_jaas.conf
      #  target: /opt/zookeeper-3.4.6/conf/zk_server_jaas.conf
      - ./zookeeper/conf/zk_server_jaas.conf:/opt/zookeeper-3.4.6/conf/zk_server_jaas.conf
      - ./zookeeper/data:/opt/zookeeper-3.4.6/data
      - ./zookeeper/datalog:/opt/zookeeper-3.4.6/datalog
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
      ZOOKEEPER_MAXCLIENTCNXNS: 0
      ZOOKEEPER_AUTHPROVIDER.1: org.apache.zookeeper.server.auth.SASLAuthenticationProvider
      ZOOKEEPER_REQUIRECLIENTAUTHSCHEME: sasl
      ZOOKEEPER_JAASLOGINRENEW: 3600000
      ZOOKEEPER_SERVER_JVMFLAGS: -Djava.security.auth.login.config=/opt/zookeeper-3.4.6/conf/zk_server_jaas.conf
    restart: always
  
  kafka:
    image: wurstmeister/kafka:2.12-2.5.0   ## 镜像
    container_name: kafka
    volumes: 
      - type: bind
        source: ./kafka/sasl
        target: /opt/kafka_2.12-2.5.0/sasl
      - /etc/localtime:/etc/localtime ## 挂载位置（kafka镜像和宿主机器之间时间保持一直）
    ports:
      - "9092:9092"
    volumes:
      - ./kafka/data:/kafka
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ADVERTISED_HOST_NAME: 192.168.6.169   ## 修改为宿主机IP
      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181    ## 卡夫卡运行是基于zookeeper的
      KAFKA_LISTENERS: SASL_PLAINTEXT://192.168.6.169:9092
      KAFKA_ADVERTISED_LISTENERS: SASL_PLAINTEXT://192.168.6.169:9092
      KAFKA_SECURITY_INTER_BROKER_PROTOCOL: SASL_PLAINTEXT
      KAFKA_SASL_MECHANISM_INTER_BROKER_PROTOCOL: PLAIN
      KAFKA_SASL_ENABLED_MECHANISMS: PLAIN
      KAFKA_AUTHORIZER_CLASS_NAME: kafka.security.auth.SimpleAclAuthorizer
      KAFKA_OPTS: -Djava.security.auth.login.config=/opt/kafka_2.12-2.5.0/config/kafka_server_jaas.conf
      KAFKA_SUPER_USERS: User:admin
      KAFKA_ADVERTISED_PORT: 9092
      KAFKA_LOG_RETENTION_HOURS: 120
      KAFKA_MESSAGE_MAX_BYTES: 10000000
      KAFKA_REPLICA_FETCH_MAX_BYTES: 10000000
      KAFKA_GROUP_MAX_SESSION_TIMEOUT_MS: 60000
      KAFKA_NUM_PARTITIONS: 1
      KAFKA_DELETE_RETENTION_MS: 1000
      KAFKA_SOCKET_REQUEST_MAX_BYTES: 1048576000
    depends_on: 
      - zookeeper
    #privileged: true