Docker环境下ASP.NET连接MongoDB遇System.TimeoutException求助

遇到的连接超时异常：

System.TimeoutException: 'A timeout occurred after 30000ms selecting a server using CompositeServerSelector{ Selectors = MongoDB.Driver.MongoClient+AreSessionsSupportedServerSelector, LatencyLimitingServerSelector{ AllowedLatencyRange = 00:00:00.0150000 }, OperationsCountServerSelector }. Client view of cluster state is { ClusterId : "1", Type : "Unknown", State : "Disconnected", Servers : [{ ServerId: "{ ClusterId : 1, EndPoint : "Unspecified/localhost:27017" }", EndPoint: "Unspecified/localhost:27017", ReasonChanged: "Heartbeat", State: "Disconnected", ServerVersion: , TopologyVersion: , Type: "Unknown", HeartbeatException: "MongoDB.Driver.MongoConnectionException: An exception occurred while opening a connection to the server.
---> System.Net.Internals.SocketExceptionFactory+ExtendedSocketException (99): Cannot assign requested address [::1]:27017
at System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)
at System.Net.Sockets.Socket.Connect(EndPoint remoteEP)
at MongoDB.Driver.Core.Connections.TcpStreamFactory.Connect(Socket socket, EndPoint endPoint, CancellationToken cancellationToken)
at MongoDB.Driver.Core.Connections.TcpStreamFactory.CreateStream(EndPoint endPoint, CancellationToken cancellationToken)
at MongoDB.Driver.Core.Connections.BinaryConnection.OpenHelper(CancellationToken cancellationToken)
--- End of inner exception stack trace ---
at MongoDB.Driver.Core.Connections.BinaryConnection.OpenHelper(CancellationToken cancellationToken)
at MongoDB.Driver.Core.Connections.BinaryConnection.Open(CancellationToken cancellationToken)
at MongoDB.Driver.Core.Servers.ServerMonitor.InitializeConnection(CancellationToken cancellationToken)
at MongoDB.Driver.Core.Servers.ServerMonitor.Heartbeat(CancellationToken cancellationToken)", LastHeartbeatTimestamp: "2022-10-07T14:01:55.8910217Z", LastUpdateTimestamp: "2022-10-07T14:01:55.8910224Z" }] }.'

相关配置文件 #

docker-compose.yml #

version: '3.4'

services:
  catalogdb:
    image: mongo

  catalog.api:
    image: ${DOCKER_REGISTRY-}catalogapi
    build:
      context: .
      dockerfile: Services\Catalog\Catalog.API\Dockerfile

volumes:
  mongo_data:

docker-compose.override.yml #

version: '3.4'

services:
  catalogdb:
    container_name: catalogdb
    restart: always
    ports:
        - "27017:27017"
    volumes:
        - mongo_data:/data/db

  catalog.api:
    container_name: catalog.api
    environment:
      - ASPNETCORE_ENVIRONMENT=Development
      - "DatabaseSettings:ConnectionString=mongodb://catalogdb:27017"
    depends_on:
      - catalogdb
    ports:
      - "8000:80"

appsettings.json #

{
  "DatabaseSettings": {
    "ConnectionString": "mongodb://localhost:27017",
    "DatabaseName": "ProductDb",
    "CollectionName": "Products"
  },
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft.AspNetCore": "Warning"
    }
  },
  "AllowedHosts": "*"
}

已尝试的解决方法（均无效） #

1. 为防火墙添加例外规则
2. 关闭杀毒软件
3. 确认容器运行在同一网络
4. 为catalogdb配置添加command: ["mongod", "--port", "27017"]参数
5. 将appsettings中的localhost替换为catalogdb，仍出现相同错误

内容的提问来源于stack exchange，提问作者ProgBlogger