Update Dockerfile

Dockerfile

@@ -4,15 +4,16 @@ FROM python:3.10-slim
 # Set the working directory
 WORKDIR /app
 
-# Install dependencies: Mono, wget, and Python pip
+# Install dependencies: .NET SDK (Roslyn included), wget, and Python pip
 RUN apt-get update && apt-get install -y \
     wget \
     apt-transport-https \
-    && apt-get install -y gnupg2 \
-    && echo "deb https://download.mono-project.com/repo/debian stable main" >> /etc/apt/sources.list.d/mono-official-stable.list \
-    && wget -qO - https://download.mono-project.com/repo/xamarin.gpg | apt-key add - \
-    && apt-get update && apt-get install -y mono-complete \
-    && apt-get install -y python3-pip \
+    gnupg2 \
+    && wget https://packages.microsoft.com/config/debian/$(lsb_release -rs)/packages-microsoft-prod.deb -O packages-microsoft-prod.deb \
+    && dpkg -i packages-microsoft-prod.deb \
+    && apt-get update && apt-get install -y \
+    dotnet-sdk-7.0 \
+    python3-pip \
     && rm -rf /var/lib/apt/lists/*
 
 # Create a non-root user and set it as the user for the rest of the image
@@ -25,16 +26,7 @@ RUN chown -R appuser:appuser /app
 USER appuser
 
 # Create necessary directories and set permissions
-RUN mkdir -p /app/uploads /home/appuser/.mono && \
-    chmod -R 777 /app/uploads /home/appuser/.mono
-
-# Set the MONO_HOME environment variable
-ENV MONO_HOME="/home/appuser/.mono"
-# Add the Mono tools directory to PATH
-ENV PATH="${PATH}:${MONO_HOME}/bin:/usr/bin"
-
-# Ensure mcs is in the PATH
-RUN echo $PATH && which mcs
+RUN mkdir -p /app/uploads && chmod -R 777 /app/uploads
 
 # Copy the requirements file with the correct owner
 COPY --chown=appuser:appuser ./requirements.txt /app/requirements.txt