Refactor Dockerfile: Simplify requirements copying and installation process

Dockerfile

@@ -8,11 +8,13 @@ ENV PATH="/home/user/.local/bin:$PATH"
 
 WORKDIR /app
 
-# Copy requirements first to leverage Docker cache
-COPY --chown=user requirements.txt /app/
+# Copy requirements.txt file first
+COPY requirements.txt /app/
+
+# Install dependencies
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
 # Copy the rest of the application
-COPY --chown=user . /app
+COPY . /app
 
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]