Added new file location as per the log

Author: nitishhsinghhh

backend/Dockerfile

@@ -8,61 +8,35 @@
 # The build stage also includes a step to clean any old CMake cache to ensure a fresh build of the C++ library
 # The build stage compiles the C++ shared library using CMake and then publishes the .NET API to a specified output directory
 
-# ==========================================
-# STAGE 1: Compilation Environment
-# ==========================================
 FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
 
-# Install C++ build tools
-RUN apt-get update && apt-get install -y \
-    build-essential \
-    cmake \
-    && rm -rf /var/lib/apt/lists/*
+# Install build tools
+RUN apt-get update && apt-get install -y build-essential cmake
 
 WORKDIR /src
 
-# Copy the entire monorepo context
-# This is necessary because your C++ tests might reference folders 
-# outside the immediate CppLib directory.
+# Context is 'backend', so this copies 'CaseConversionAPI' into '/src'
 COPY . .
 
-# DEBUG STEP: This will print the file structure in your GitHub logs 
-# so you can verify exactly where the files are if it fails again.
-RUN ls -R /src/backend/CaseConversionAPI
+# 1. Clean build directory
+RUN rm -rf CaseConversionAPI/CppLib/build
 
-# 1. Clean old CMake cache
-# Using the full path from the root context (.)
-RUN rm -rf backend/CaseConversionAPI/CppLib/build
-
-# 2. Build C++ shared library
-# Ensure the case matches your GitHub folders (e.g., CppLib vs cpplib)
-RUN cmake -S backend/CaseConversionAPI/CppLib \
-          -B backend/CaseConversionAPI/CppLib/build \
-          -DCMAKE_BUILD_TYPE=Release
-
-RUN cmake --build backend/CaseConversionAPI/CppLib/build --parallel
+# 2. Configure and Build C++
+# Notice 'backend/' is removed from the paths
+RUN cmake -S CaseConversionAPI/CppLib -B CaseConversionAPI/CppLib/build -DCMAKE_BUILD_TYPE=Release
+RUN cmake --build CaseConversionAPI/CppLib/build --parallel
 
 # 3. Publish .NET API
-# This assumes your .csproj is inside the DotNetAPI folder
-RUN dotnet publish backend/CaseConversionAPI/DotNetAPI -c Release -o /app/publish
+RUN dotnet publish CaseConversionAPI/DotNetAPI -c Release -o /app/publish
 
-# 4. Copy shared library to the publish folder
-# On Linux, CMake produces a .so file. 
-# We copy it so the .NET runtime can find it via P/Invoke.
-RUN cp backend/CaseConversionAPI/CppLib/build/libProcessStringDLL.so /app/publish/
+# 4. Copy the .so file
+RUN cp CaseConversionAPI/CppLib/build/libProcessStringDLL.so /app/publish/
 
-# ==========================================
-# STAGE 2: Optimized Runtime Image
-# ==========================================
+# ---------- Runtime ----------
 FROM mcr.microsoft.com/dotnet/aspnet:8.0
 WORKDIR /app
-
-# Copy only the compiled artifacts from the build stage
 COPY --from=build /app/publish .
 
-# Expose the default ASP.NET port
 EXPOSE 8080
 
-# Start the API
-# Ensure "DotNetAPI.dll" matches your actual assembly name
 ENTRYPOINT ["dotnet", "DotNetAPI.dll"]