Updating nanoserver Dockerfile (#1092)

Author: TalZaccai

Dockerfile.nanoserver

@@ -1,4 +1,4 @@
-ARG TAG=ltsc2022
+ARG TAG=ltsc2025
 FROM mcr.microsoft.com/dotnet/sdk:9.0-nanoserver-$TAG AS build
 
 WORKDIR /source
@@ -7,11 +7,10 @@ WORKDIR /source
 COPY . .
 WORKDIR /source/main/GarnetServer
 
-RUN dotnet restore
-RUN dotnet build -c Release -p:EnableSourceLink=false -p:EnableSourceControlManagerQueries=false
-
-# Copy and publish app and libraries
-RUN dotnet publish -c Release -o /app -r win-x64 --self-contained false -f net8.0 -p:EnableSourceLink=false -p:EnableSourceControlManagerQueries=false
+# Restore, build, and publish
+RUN dotnet restore && \
+    dotnet build -c Release -p:EnableSourceLink=false -p:EnableSourceControlManagerQueries=false && \
+    dotnet publish -c Release -o /app -r win-x64 --self-contained false -f net8.0 -p:EnableSourceLink=false -p:EnableSourceControlManagerQueries=false
 
 # Final stage/image
 FROM mcr.microsoft.com/dotnet/runtime:8.0-nanoserver-$TAG AS runtime