Update dockerfiles

Author: JamesNK

examples/Container/Backend/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/nightly/sdk:9.0-preview AS build-env
+FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build-env
 WORKDIR /app
 
 # Copy everything
@@ -8,7 +8,7 @@ RUN dotnet restore examples/Container/Backend
 RUN dotnet publish examples/Container/Backend -c Release -o out
 
 # Build runtime image
-FROM mcr.microsoft.com/dotnet/nightly/aspnet:9.0-preview
+FROM mcr.microsoft.com/dotnet/aspnet:9.0
 WORKDIR /app
 COPY --from=build-env /app/out .
 ENTRYPOINT ["dotnet", "Backend.dll"]

examples/Container/Frontend/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/nightly/sdk:9.0-preview AS build-env
+FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build-env
 WORKDIR /app
 
 # Copy everything
@@ -8,7 +8,7 @@ RUN dotnet restore examples/Container/Frontend
 RUN dotnet publish examples/Container/Frontend -c Release -o out
 
 # Build runtime image
-FROM mcr.microsoft.com/dotnet/nightly/aspnet:9.0-preview
+FROM mcr.microsoft.com/dotnet/aspnet:9.0
 WORKDIR /app
 COPY --from=build-env /app/out .
 ENTRYPOINT ["dotnet", "Frontend.dll"]

testassets/InteropTestsGrpcWebWebsite/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/nightly/sdk:9.0-preview AS build-env
+FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build-env
 WORKDIR /app
 
 # Copy everything
@@ -8,7 +8,7 @@ RUN dotnet restore testassets/InteropTestsGrpcWebWebsite
 RUN dotnet publish testassets/InteropTestsGrpcWebWebsite -c Release -o out
 
 # Build runtime image
-FROM mcr.microsoft.com/dotnet/nightly/aspnet:9.0-preview
+FROM mcr.microsoft.com/dotnet/aspnet:9.0
 WORKDIR /app
 COPY --from=build-env /app/out .
 ENTRYPOINT ["dotnet", "InteropTestsGrpcWebWebsite.dll", "--urls", "http://+:80"]

testassets/InteropTestsWebsite/Dockerfile

@@ -1,4 +1,4 @@
-FROM mcr.microsoft.com/dotnet/nightly/sdk:9.0-preview AS build-env
+FROM mcr.microsoft.com/dotnet/sdk:9.0 AS build-env
 WORKDIR /app
 
 # Copy everything
@@ -8,7 +8,7 @@ RUN dotnet restore testassets/InteropTestsWebsite
 RUN dotnet publish testassets/InteropTestsWebsite --framework net9.0 -c Release -o out -p:LatestFramework=true
 
 # Build runtime image
-FROM mcr.microsoft.com/dotnet/nightly/aspnet:9.0-preview
+FROM mcr.microsoft.com/dotnet/aspnet:9.0
 WORKDIR /app
 COPY --from=build-env /app/out .
 ENTRYPOINT ["dotnet", "InteropTestsWebsite.dll", "--port_http1", "80"]