[Bug]: Docker image fails for read-only volumes

[otto-ifak]

Contact Details

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Describe the bug

When starting the docker container with a read-only volume, the following error occurs:

aasx-server-1  | Serving the AASXs from: ./aasxs
aasx-server-1  | Security 1 Startup - Server
aasx-server-1  | Security 1.1 Load X509 Root Certificates into X509 Store Root
aasx-server-1  | Unhandled exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation.
aasx-server-1  |  ---> System.AggregateException: One or more errors occurred. (Read-only file system : '/AasxServerBlazor/aasxs/xml')
aasx-server-1  |  ---> System.IO.IOException: Read-only file system : '/AasxServerBlazor/aasxs/xml'
aasx-server-1  |    at System.IO.FileSystem.CreateDirectory(String fullPath, UnixFileMode unixCreateMode)
aasx-server-1  |    at System.IO.Directory.CreateDirectory(String path)
aasx-server-1  |    at AasxServer.Program.Run(CommandLineArguments a) in /repo/src/AasxServerStandardBib/Program.cs:line 767
aasx-server-1  |    --- End of inner exception stack trace ---
aasx-server-1  |    at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
aasx-server-1  |    at System.Threading.Tasks.Task.Wait(Int32 millisecondsTimeout, CancellationToken cancellationToken)
aasx-server-1  |    at System.Threading.Tasks.Task.Wait()
aasx-server-1  |    at AasxServer.Program.<>c.<Main>b__65_0(CommandLineArguments a) in /repo/src/AasxServerStandardBib/Program.cs:line 1226
aasx-server-1  |    at System.RuntimeMethodHandle.InvokeMethod(Object target, Void** arguments, Signature sig, Boolean isConstructor)
aasx-server-1  |    at System.Reflection.MethodBaseInvoker.InvokeDirectByRefWithFewArgs(Object obj, Span`1 copyOfArgs, BindingFlags invokeAttr)
aasx-server-1  |    --- End of inner exception stack trace ---
aasx-server-1  |    at System.Reflection.MethodBaseInvoker.InvokeDirectByRefWithFewArgs(Object obj, Span`1 copyOfArgs, BindingFlags invokeAttr)
aasx-server-1  |    at System.Reflection.MethodBaseInvoker.InvokeWithOneArg(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
aasx-server-1  |    at System.Delegate.DynamicInvokeImpl(Object[] args)
aasx-server-1  |    at System.CommandLine.Invocation.ModelBindingCommandHandler.InvokeAsync(InvocationContext context)
aasx-server-1  |    at System.CommandLine.Invocation.InvocationPipeline.<>c__DisplayClass4_0.<<BuildInvocationChain>b__0>d.MoveNext()
aasx-server-1  | --- End of stack trace from previous location ---
aasx-server-1  |    at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<<UseParseErrorReporting>b__21_0>d.MoveNext()
aasx-server-1  | --- End of stack trace from previous location ---
aasx-server-1  |    at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass16_0.<<UseHelp>b__0>d.MoveNext()
aasx-server-1  | --- End of stack trace from previous location ---
aasx-server-1  |    at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass25_0.<<UseVersionOption>b__0>d.MoveNext()
aasx-server-1  | --- End of stack trace from previous location ---
aasx-server-1  |    at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass23_0.<<UseTypoCorrections>b__0>d.MoveNext()
aasx-server-1  | --- End of stack trace from previous location ---
aasx-server-1  |    at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<<UseSuggestDirective>b__22_0>d.MoveNext()
aasx-server-1  | --- End of stack trace from previous location ---
aasx-server-1  |    at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<<UseParseDirective>b__20_0>d.MoveNext()
aasx-server-1  | --- End of stack trace from previous location ---
aasx-server-1  |    at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<<UseDebugDirective>b__11_0>d.MoveNext()
aasx-server-1  | --- End of stack trace from previous location ---
aasx-server-1  |    at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c.<<RegisterWithDotnetSuggest>b__10_0>d.MoveNext()
aasx-server-1  | --- End of stack trace from previous location ---
aasx-server-1  |    at System.CommandLine.Builder.CommandLineBuilderExtensions.<>c__DisplayClass14_0.<<UseExceptionHandler>b__0>d.MoveNext()

I guess this is because the server tries to create the files and xml directories.

To reproduce

Mount volume read-only (or use any other read-only filesystem)

-v ./aasx:/AasxServerBlazor/aasxs:ro

Screenshots

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Expected Behaviour

Version

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Operating System

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Relevant log output

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