问题摘要我有两个在Synology Diskstation 918+上的Docker中运行的容器。一个容器托管一个Web应用程序，另一个容器托管一个数据库。 Web应用程序无法连接到数据库。
Container1：这是Web应用程序容器
名称：glidinglogbook
内部版本：C＃/。Net Core 2.1 / MongoDb.Driver 2.10.2 +前端的Angular 6 / Typescript / Bootstrap
外部端口：8003
Docker网络：glb-network
此容器的mongodb容器的别名是glbdb
Container2：这是MongoDB数据库服务器
名称：mongodb
要连接的数据库：glidinglogbook
外部端口：8005
Docker网络：glb-network
详细信息：glidinglogbook容器中的Web应用程序无法连接到MongoDB数据库。尝试连接30秒后，它通过以下堆栈跟踪超时：
al.ControllerActionInvoker.Rethrow(ActionExecutedContext context)
at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeInnerFilterAsync()
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter()
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context)
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync()
at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync()
at Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext)
at Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.Invoke(HttpContext context)
fail: Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware[1]
An unhandled exception has occurred while executing the request.
System.TimeoutException: A timeout occured after 30000ms selecting a server using CompositeServerSelector{ Selectors = MongoDB.Driver.MongoClient+AreSessionsSupportedServerSelector, LatencyLimitingServerS
elector{ AllowedLatencyRange = 00:00:00.0150000 } }. Client view of cluster state is { ClusterId : "1", ConnectionMode : "Automatic", Type : "Unknown", State : "Disconnected", Servers : [{ ServerId: "{ Cl
usterId : 1, EndPoint : "Unspecified/glbdb:8005" }", EndPoint: "Unspecified/glbdb:8005", State: "Disconnected", Type: "Unknown", HeartbeatException: "MongoDB.Driver.MongoConnectionException: An exception
occurred while opening a connection to the server. ---> System.Net.Internals.SocketExceptionFactory+ExtendedSocketException: Connection refused 172.17.0.2:8005
at System.Net.Sockets.Socket.EndConnect(IAsyncResult asyncResult)
at System.Net.Sockets.Socket.<>c.<ConnectAsync>b__271_0(IAsyncResult iar)
--- End of stack trace from previous location where exception was thrown ---
at MongoDB.Driver.Core.Connections.TcpStreamFactory.ConnectAsync(Socket socket, EndPoint endPoint, CancellationToken cancellationToken)
at MongoDB.Driver.Core.Connections.TcpStreamFactory.CreateStreamAsync(EndPoint endPoint, CancellationToken cancellationToken)
at MongoDB.Driver.Core.Connections.BinaryConnection.OpenHelperAsync(CancellationToken cancellationToken)
--- End of inner exception stack trace ---
at MongoDB.Driver.Core.Connections.BinaryConnection.OpenHelperAsync(CancellationToken cancellationToken)
at MongoDB.Driver.Core.Servers.ServerMonitor.HeartbeatAsync(CancellationToken cancellationToken)", LastUpdateTimestamp: "2020-03-03T10:35:02.6718512Z" }] }.
at MongoDB.Driver.Core.Clusters.Cluster.ThrowTimeoutException(IServerSelector selector, ClusterDescription description)
at MongoDB.Driver.Core.Clusters.Cluster.WaitForDescriptionChangedHelper.HandleCompletedTask(Task completedTask)
at MongoDB.Driver.Core.Clusters.Cluster.WaitForDescriptionChanged(IServerSelector selector, ClusterDescription description, Task descriptionChangedTask, TimeSpan timeout, CancellationToken cancellation
Token)
at MongoDB.Driver.Core.Clusters.Cluster.SelectServer(IServerSelector selector, CancellationToken cancellationToken)
at MongoDB.Driver.MongoClient.AreSessionsSupportedAfterServerSelection(CancellationToken cancellationToken)
at MongoDB.Driver.MongoClient.AreSessionsSupported(CancellationToken cancellationToken)
at MongoDB.Driver.OperationExecutor.StartImplicitSession(CancellationToken cancellationToken)
at MongoDB.Driver.MongoCollectionImpl`1.UsingImplicitSession[TResult](Func`2 func, CancellationToken cancellationToken)
at MongoDB.Driver.MongoCollectionImpl`1.FindSync[TProjection](FilterDefinition`1 filter, FindOptions`2 options, CancellationToken cancellationToken)
at MongoDB.Driver.FindFluent`2.ToCursor(CancellationToken cancellationToken)
at MongoDB.Driver.IAsyncCursorSourceExtensions.ToList[TDocument](IAsyncCursorSource`1 source, CancellationToken cancellationToken)
at GlidingLogbook.Repositories.FlightRepository.GetAll() in C:\Users\Dave\source\repos\GlidingLogbook\Repositories\FlightRepository.cs:line 22
at GlidingLogbook.Controllers.FlightsController.GetAll() in C:\Users\Dave\source\repos\GlidingLogbook\Controllers\FlightsController.cs:line 25
我的观察：
上面的堆栈跟踪包括：EndPoint : "Unspecified/glbdb:8005"，这表明我在某种程度上错误地标识了数据库主机。谁能告诉我这里的“未指定”是什么？
除了下面的主机名需要为MyServer：8005之外，使用下面来自我的appsettings.json的凭据，使用Robo3T连接到MongDB数据库没有问题。
当我在Visual Studio 2019调试器中运行Web应用程序时，只要我将数据库服务器主机名更改为MyServer：8005，它就会成功连接到数据库并以常规方式执行CRUD操作。
我可以浏览到http://MyServer:8003以显示UI，但是在docker上下文中，Web应用程序无法连接到数据库，因此不会显示任何数据。
这是我的appsettings.json：
{
"dbUsername": "[redacted]",
"dbPassword": "[redacted]",
"dbAuthMechanism": "SCRAM-SHA-1",
"dbHost": "glbdb",
"dbHostPort": 8005,
"dbName": "glidinglogbook",
"Logging": {
"LogLevel": {
"Default": "Warning"
}
},
"AllowedHosts": "*"
}
这是我用来获取对数据库的引用的C＃代码：
public class Database : IDatabase
{
private readonly Settings settings;
public Database(IOptionsMonitor<Settings> settings)
{
this.settings = settings.CurrentValue;
}
public IMongoDatabase Get()
{
var internalIdentity = new MongoInternalIdentity("admin", settings.DbUsername);
var passwordEvidence = new PasswordEvidence(settings.DbPassword);
var mongoCredential = new MongoCredential(settings.DbAuthMechanism, internalIdentity, passwordEvidence);
var mongoClientSettings = new MongoClientSettings
{
Credential = mongoCredential,
Server = new MongoServerAddress(settings.DbHost, settings.DbHostPort)
};
var client = new MongoClient(mongoClientSettings);
return client.GetDatabase(settings.DbName);
}
}
在调查过程中，我还提出了以下建议：
docker network inspect glb-network
[
{
"Name": "glb-network",
"Id": "beb299fbdbe1a230891427828a41e804040bd1e5403ecbb9bdff4abb86c47af5",
"Created": "2020-03-02T16:38:49.893845611Z",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "172.21.0.0/16",
"Gateway": "172.21.0.1"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {
"9621d3b4971a585a632fb066bcd5b213a8e20f474729e6df20ef1e7ad3304b38": {
"Name": "alpine1",
"EndpointID": "c779c757b4847cd21fcb612e15a23a6d15a03ae4729a12d26a59cece14004e88",
"MacAddress": "02:42:ac:15:00:04",
"IPv4Address": "172.21.0.4/16",
"IPv6Address": ""
},
"b491359c438df68fd247401ede1c9a999f74849f0fa78a4de898ea9c2a50b18a": {
"Name": "glidinglogbook",
"EndpointID": "e6a18ad3e811fddfab904f05a6f95bdd1f4323e727e71e5838d14a7a0e8eecc5",
"MacAddress": "02:42:ac:15:00:03",
"IPv4Address": "172.21.0.3/16",
"IPv6Address": ""
},
"d9e756043c562fd4f8f2e57f114e56a0dd0256ecb72b50b47cf89f3e343fa643": {
"Name": "mongodb",
"EndpointID": "309b739d4a53a95e28e1e1713be100778619d2b74f6f7c6c2abef66dbbc253f0",
"MacAddress": "02:42:ac:15:00:02",
"IPv4Address": "172.21.0.2/16",
"IPv6Address": ""
}
},
"Options": {},
"Labels": {}
}
]
和...
docker container inspect glidinglogbook
[
{
"Id": "b491359c438df68fd247401ede1c9a999f74849f0fa78a4de898ea9c2a50b18a",
"Created": "2020-03-03T10:26:34.120702556Z",
"Path": "/bin/sh",
"Args": [
"-c",
"\"dotnet\" \"GlidingLogbook.dll\""
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 18767,
"ExitCode": 0,
"Error": "",
"StartedAt": "2020-03-03T10:32:24.412840804Z",
"FinishedAt": "2020-03-03T10:32:05.106756231Z",
"StartedTs": 1583231544,
"FinishedTs": 1583231525
},
"Image": "sha256:e6f43665ec3bc215de8913af816f88372aee8e8ee88ea16bd0765861f4fe6311",
"ResolvConfPath": "/volume1/@docker/containers/b491359c438df68fd247401ede1c9a999f74849f0fa78a4de898ea9c2a50b18a/resolv.conf",
"HostnamePath": "/volume1/@docker/containers/b491359c438df68fd247401ede1c9a999f74849f0fa78a4de898ea9c2a50b18a/hostname",
"HostsPath": "/volume1/@docker/containers/b491359c438df68fd247401ede1c9a999f74849f0fa78a4de898ea9c2a50b18a/hosts",
"LogPath": "/volume1/@docker/containers/b491359c438df68fd247401ede1c9a999f74849f0fa78a4de898ea9c2a50b18a/log.db",
"Name": "/glidinglogbook",
"RestartCount": 0,
"Driver": "btrfs",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "docker-default",
"ExecIDs": null,
"HostConfig": {
"Binds": [],
"ContainerIDFile": "",
"LogConfig": {
"Type": "db",
"Config": {}
},
"NetworkMode": "bridge",
"PortBindings": {
"64839/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "8003"
}
]
},
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"AutoRemove": false,
"VolumeDriver": "",
"VolumesFrom": null,
"CapAdd": null,
"CapDrop": null,
"Dns": null,
"DnsOptions": null,
"DnsSearch": null,
"ExtraHosts": null,
"GroupAdd": null,
"IpcMode": "shareable",
"Cgroup": "",
"Links": [
"/mongodb:/glidinglogbook/glbdb"
],
"OomScoreAdj": 0,
"PidMode": "",
"Privileged": false,
"PublishAllPorts": false,
"ReadonlyRootfs": false,
"SecurityOpt": null,
"UTSMode": "",
"UsernsMode": "",
"ShmSize": 67108864,
"Runtime": "runc",
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"DOTNET_SDK_VERSION=2.1.804",
"ASPNETCORE_URLS=http://*:64839",
"DOTNET_RUNNING_IN_CONTAINER=true",
"DOTNET_USE_POLLING_FILE_WATCHER=true",
"NUGET_XMLDOC_MODE=skip"
],
"ConsoleSize": [
0,
0
],
"Isolation": "",
"CpuShares": 50,
"Memory": 0,
"NanoCpus": 0,
"CgroupParent": "",
"BlkioWeight": 0,
"BlkioWeightDevice": null,
"BlkioDeviceReadBps": null,
"BlkioDeviceWriteBps": null,
"BlkioDeviceReadIOps": null,
"BlkioDeviceWriteIOps": null,
"CpuPeriod": 0,
"CpuQuota": 0,
"CpuRealtimePeriod": 0,
"CpuRealtimeRuntime": 0,
"CpusetCpus": "",
"CpusetMems": "",
"Devices": null,
"DeviceCgroupRules": null,
"DiskQuota": 0,
"KernelMemory": 0,
"MemoryReservation": 0,
"MemorySwap": 0,
"MemorySwappiness": null,
"OomKillDisable": false,
"PidsLimit": 0,
"Ulimits": null,
"CpuCount": 0,
"CpuPercent": 0,
"IOMaximumIOps": 0,
"IOMaximumBandwidth": 0,
"MaskedPaths": [
"/proc/asound",
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/proc/scsi",
"/sys/firmware"
],
"ReadonlyPaths": [
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger"
]
},
"GraphDriver": {
"Data": null,
"Name": "btrfs"
},
"Mounts": [],
"Config": {
"Hostname": "glidinglogbook",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"ExposedPorts": {
"64839/tcp": {}
},
"Tty": true,
"OpenStdin": true,
"StdinOnce": false,
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"DOTNET_SDK_VERSION=2.1.804",
"ASPNETCORE_URLS=http://*:64839",
"DOTNET_RUNNING_IN_CONTAINER=true",
"DOTNET_USE_POLLING_FILE_WATCHER=true",
"NUGET_XMLDOC_MODE=skip"
],
"Cmd": null,
"ArgsEscaped": true,
"Image": "glidinglogbook:latest",
"Volumes": null,
"WorkingDir": "/app",
"Entrypoint": [
"/bin/sh",
"-c",
"\"dotnet\" \"GlidingLogbook.dll\""
],
"OnBuild": null,
"Labels": {},
"DDSM": false
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "3bc8bdb7582c1994d052735054d64b170d90b9e9bf54de3ffbd9635cb828ff45",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": {
"64839/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "8003"
}
]
},
"SandboxKey": "/var/run/docker/netns/3bc8bdb7582c",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "9297dc46163c799987c4cb57d5ee3ea8c3855bca3476ca503ecbd760eb5eb8b1",
"Gateway": "172.17.0.1",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "172.17.0.3",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"MacAddress": "02:42:ac:11:00:03",
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "dad2d9a926d79fd266bcf1494a9ca5249666fd0280d799eb3b9589f9e7e7d750",
"EndpointID": "9297dc46163c799987c4cb57d5ee3ea8c3855bca3476ca503ecbd760eb5eb8b1",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.3",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:03",
"DriverOpts": null
},
"glb-network": {
"IPAMConfig": null,
"Links": null,
"Aliases": [
"b491359c438d"
],
"NetworkID": "beb299fbdbe1a230891427828a41e804040bd1e5403ecbb9bdff4abb86c47af5",
"EndpointID": "e6a18ad3e811fddfab904f05a6f95bdd1f4323e727e71e5838d14a7a0e8eecc5",
"Gateway": "172.21.0.1",
"IPAddress": "172.21.0.3",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:15:00:03",
"DriverOpts": null
}
}
}
}
]
...最后是...
docker container inspect mongodb
[
{
"Id": "d9e756043c562fd4f8f2e57f114e56a0dd0256ecb72b50b47cf89f3e343fa643",
"Created": "2020-02-26T15:42:39.938818193Z",
"Path": "docker-entrypoint.sh",
"Args": [
"mongod"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 17093,
"ExitCode": 0,
"Error": "",
"StartedAt": "2020-03-03T10:30:42.368424228Z",
"FinishedAt": "2020-03-03T10:29:59.821302747Z",
"StartedTs": 1583231442,
"FinishedTs": 1583231399
},
"Image": "sha256:bcef5fd2979dbcbf76e46139680bf71c35925e344afa4703de43bdc44c6c526a",
"ResolvConfPath": "/volume1/@docker/containers/d9e756043c562fd4f8f2e57f114e56a0dd0256ecb72b50b47cf89f3e343fa643/resolv.conf",
"HostnamePath": "/volume1/@docker/containers/d9e756043c562fd4f8f2e57f114e56a0dd0256ecb72b50b47cf89f3e343fa643/hostname",
"HostsPath": "/volume1/@docker/containers/d9e756043c562fd4f8f2e57f114e56a0dd0256ecb72b50b47cf89f3e343fa643/hosts",
"LogPath": "/volume1/@docker/containers/d9e756043c562fd4f8f2e57f114e56a0dd0256ecb72b50b47cf89f3e343fa643/log.db",
"Name": "/mongodb",
"RestartCount": 0,
"Driver": "btrfs",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "docker-default",
"ExecIDs": null,
"HostConfig": {
"Binds": [
"/volume1/docker/mongodb:/data/db:rw"
],
"ContainerIDFile": "",
"LogConfig": {
"Type": "db",
"Config": {}
},
"NetworkMode": "bridge",
"PortBindings": {
"27017/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "8005"
}
]
},
"RestartPolicy": {
"Name": "always",
"MaximumRetryCount": 0
},
"AutoRemove": false,
"VolumeDriver": "",
"VolumesFrom": null,
"CapAdd": null,
"CapDrop": null,
"Dns": [],
"DnsOptions": [],
"DnsSearch": [],
"ExtraHosts": null,
"GroupAdd": null,
"IpcMode": "shareable",
"Cgroup": "",
"Links": null,
"OomScoreAdj": 0,
"PidMode": "",
"Privileged": false,
"PublishAllPorts": false,
"ReadonlyRootfs": false,
"SecurityOpt": null,
"UTSMode": "",
"UsernsMode": "",
"ShmSize": 67108864,
"Runtime": "runc",
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"GOSU_VERSION=1.11",
"JSYAML_VERSION=3.13.0",
"GPG_KEYS=E162F504A20CDF15827F718D4B7C549A058F8B6B",
"MONGO_PACKAGE=mongodb-org",
"MONGO_REPO=repo.mongodb.org",
"MONGO_MAJOR=4.2",
"MONGO_VERSION=4.2.3",
"MONGO_INITDB_ROOT_PASSWORD=p*FW~t",
"MONGO_INITDB_ROOT_USERNAME=mongodbuser"
],
"ConsoleSize": [
0,
0
],
"Isolation": "",
"CpuShares": 50,
"Memory": 0,
"NanoCpus": 0,
"CgroupParent": "",
"BlkioWeight": 0,
"BlkioWeightDevice": null,
"BlkioDeviceReadBps": null,
"BlkioDeviceWriteBps": null,
"BlkioDeviceReadIOps": null,
"BlkioDeviceWriteIOps": null,
"CpuPeriod": 0,
"CpuQuota": 0,
"CpuRealtimePeriod": 0,
"CpuRealtimeRuntime": 0,
"CpusetCpus": "",
"CpusetMems": "",
"Devices": null,
"DeviceCgroupRules": null,
"DiskQuota": 0,
"KernelMemory": 0,
"MemoryReservation": 0,
"MemorySwap": 0,
"MemorySwappiness": null,
"OomKillDisable": false,
"PidsLimit": 0,
"Ulimits": null,
"CpuCount": 0,
"CpuPercent": 0,
"IOMaximumIOps": 0,
"IOMaximumBandwidth": 0,
"MaskedPaths": [
"/proc/asound",
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/proc/scsi",
"/sys/firmware"
],
"ReadonlyPaths": [
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger"
]
},
"GraphDriver": {
"Data": null,
"Name": "btrfs"
},
"Mounts": [
{
"Type": "volume",
"Name": "e4a576d00714481bcb576441551dc24c569f9e6b6ed6b9b48d2742c4e2baddb5",
"Source": "/volume1/@docker/volumes/e4a576d00714481bcb576441551dc24c569f9e6b6ed6b9b48d2742c4e2baddb5/_data",
"Destination": "/data/configdb",
"Driver": "local",
"Mode": "",
"RW": true,
"Propagation": ""
},
{
"Type": "bind",
"Source": "/volume1/docker/mongodb",
"Destination": "/data/db",
"Mode": "rw",
"RW": true,
"Propagation": "rprivate"
}
],
"Config": {
"Hostname": "mongodb",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"ExposedPorts": {
"27017/tcp": {}
},
"Tty": true,
"OpenStdin": true,
"StdinOnce": false,
"Env": [
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"GOSU_VERSION=1.11",
"JSYAML_VERSION=3.13.0",
"GPG_KEYS=E162F504A20CDF15827F718D4B7C549A058F8B6B",
"MONGO_PACKAGE=mongodb-org",
"MONGO_REPO=repo.mongodb.org",
"MONGO_MAJOR=4.2",
"MONGO_VERSION=4.2.3",
"MONGO_INITDB_ROOT_PASSWORD=p*FW~t",
"MONGO_INITDB_ROOT_USERNAME=mongodbuser"
],
"Cmd": [
"mongod"
],
"ArgsEscaped": true,
"Image": "mongo:latest",
"Volumes": {
"/data/configdb": {},
"/data/db": {}
},
"WorkingDir": "",
"Entrypoint": [
"docker-entrypoint.sh"
],
"OnBuild": null,
"Labels": {},
"DDSM": false
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "ca8ed91e9dabe029ef61412f4e0d385ddbfe5ca010fb7d4a933b441b5dcba5df",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": {
"27017/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "8005"
}
]
},
"SandboxKey": "/var/run/docker/netns/ca8ed91e9dab",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "2d4ae043a660b10324570e621c3fdf13043d334c5a511c77252411a360b99539",
"Gateway": "172.17.0.1",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"MacAddress": "02:42:ac:11:00:02",
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "dad2d9a926d79fd266bcf1494a9ca5249666fd0280d799eb3b9589f9e7e7d750",
"EndpointID": "2d4ae043a660b10324570e621c3fdf13043d334c5a511c77252411a360b99539",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:02",
"DriverOpts": null
},
"glb-network": {
"IPAMConfig": null,
"Links": null,
"Aliases": [
"d9e756043c56"
],
"NetworkID": "beb299fbdbe1a230891427828a41e804040bd1e5403ecbb9bdff4abb86c47af5",
"EndpointID": "309b739d4a53a95e28e1e1713be100778619d2b74f6f7c6c2abef66dbbc253f0",
"Gateway": "172.21.0.1",
"IPAddress": "172.21.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:15:00:02",
"DriverOpts": null
}
}
}
}
]
作为Docker的新手，我对于为什么在容器中运行的Web应用程序无法连接到在另一个容器中运行的数据库的想法几乎一无所有。我上面关于堆栈跟踪的观察结果可能是一个线索，但是尽管我尝试了各种不同的选项，包括通过IP地址引用数据库，但仍然没有找到有效的配置。
任何解决此问题的帮助将不胜感激！
您可以使用mongodb容器IP：172.20.1.2。如果希望使用名称而不是IP来访问容器，则可以使用Docker Compose配置容器。
您是否检查过Web应用程序是否连接到数据库服务器所在的同一网络？https://docs.docker.com/engine/reference/commandline/network_connect/->这可能有帮助！