Update Dockerfile

Dockerfile

@@ -14,26 +14,34 @@ RUN apt-get update && apt-get install -y \
     && apt-get install -y python3-pip \
     && rm -rf /var/lib/apt/lists/*
 
-# Create uploads directory and set permissions
-RUN mkdir -p /app/uploads && chmod -R 777 /app/uploads
+# Create a writable directory for .NET
+RUN mkdir -p /home/appuser/.dotnet && chmod -R 777 /home/appuser/.dotnet
 
-# Ensure the working directory is writable
+# Create uploads directory
+RUN mkdir -p /app/uploads
+
+# Create a non-root user and switch to it
+RUN useradd -ms /bin/bash appuser
+USER appuser
+
+# Set permissions for the working directory
 RUN chmod -R 777 /app
 
+# Set the DOTNET_HOME environment variable
+ENV DOTNET_HOME="/home/appuser/.dotnet"
+ENV PATH="${PATH}:${DOTNET_HOME}"
+
 # Copy the requirements file
-COPY ./requirements.txt /app/requirements.txt
+COPY --chown=appuser:appuser ./requirements.txt /app/requirements.txt
 
 # Install Python dependencies
 RUN pip3 install --no-cache-dir --upgrade -r /app/requirements.txt
 
 # Copy the Flask app files
-COPY . .
+COPY --chown=appuser:appuser . .
 
 # Expose the port the app runs on
 EXPOSE 7860
 
-# Set the PATH for the .NET tools
-ENV PATH="${PATH}:/usr/bin/dotnet"
-
 # Command to run the Flask app
 CMD ["python3", "main.py"]