fix build

GDSwithREST.Domain/Services/GdsService.cs

@@ -38,7 +38,7 @@ public async Task StartServer(CancellationToken stoppingToken)
                     ConfigSectionName = "Opc.Ua.GlobalDiscoveryServer"
                 };
                 // load the application configuration.
-                await _applicationInstance.LoadApplicationConfiguration("GdsConfig\\Opc.Ua.GlobalDiscoveryServer.Config.xml", false);
+                await _applicationInstance.LoadApplicationConfiguration("/OPC Foundation/GDS/config/Opc.Ua.GlobalDiscoveryServer.Config.xml", false);
                 // check the application certificate.
                 await _applicationInstance.CheckApplicationInstanceCertificate(false, 0);
 

GDSwithREST/Dockerfile

@@ -1,17 +1,19 @@
 #See https://aka.ms/customizecontainer to learn how to customize your debug container and how Visual Studio uses this Dockerfile to build your images for faster debugging.
 
-FROM mcr.microsoft.com/dotnet/aspnet:7.0 AS base
+FROM mcr.microsoft.com/dotnet/aspnet:8.0 AS base
 WORKDIR /app
 COPY ["GDSwithREST/GdsConfig", "/OPC Foundation/GDS/config"]
 COPY ["GDSwithREST/HTTPSCert", "/OPC Foundation/HTTPSCert"]
 EXPOSE 8080
 EXPOSE 8081
 EXPOSE 58810
-RUN apt-get update 
-RUN apt-get --yes install curl
+USER root
+RUN apt-get update && apt-get install -y curl --fix-missing
+# Switch back to the desired user (e.g., jovyan)
+USER $NB_UID
 HEALTHCHECK --interval=5s --timeout=10s --retries=3 CMD curl --silent --fail https://localhost:8081/hc -k || exit 1
 
-FROM mcr.microsoft.com/dotnet/sdk:7.0 AS build
+FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
 WORKDIR /src
 COPY ["GDSwithREST/GDSwithREST.csproj", "GDSwithREST/"]
 RUN dotnet restore "GDSwithREST/GDSwithREST.csproj"