fix dockerfile

Dockerfile

@@ -1,5 +1,6 @@
 FROM python:3.12-slim
 
+RUN apt-get clean && rm -rf /var/lib/apt/lists/*
 
 # Set up a new user named "user" with user ID 1000
 RUN useradd -m -u 1000 user
@@ -14,6 +15,8 @@ ENV HOME=/home/user \
     PYTHONUNBUFFERED=1 \
     PYTHONDONTWRITEBYTECODE=1
 
+ENV PYTHONPATH="$HOME/.local/lib/python3.12/site-packages:$PYTHONPATH"
+
 # Set the working directory to the user's home directory
 WORKDIR $HOME/app
 
@@ -24,7 +27,7 @@ RUN pip install --no-cache-dir --upgrade pip
 COPY --chown=user requirements.txt $HOME/app/
 
 # Install Python dependencies in user space
-RUN pip install --no-cache-dir --user -r requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
 
 # Copy source code with proper ownership
 COPY --chown=user src/ $HOME/app/src/