Update Dockerfile

Dockerfile

@@ -3,14 +3,44 @@
 
 FROM python:3.11
 
+# Set DEBIAN_FRONTEND to noninteractive to avoid prompts during apt-get install
+ENV DEBIAN_FRONTEND=noninteractive
+
+# --- System Package Installation (as root) ---
+# Copy the packages list first
+COPY ./packages.txt /app/packages.txt
+
+# Update apt lists, install packages from packages.txt, and clean up in one layer
+# Ensure packages.txt exists and has content, otherwise apt-get might fail.
+# Handle potential errors if packages.txt is empty or doesn't exist.
+RUN apt-get update && \
+    # Check if packages.txt exists and is not empty before trying to install
+    if [ -s /app/packages.txt ]; then \
+        apt-get install -y --no-install-recommends $(cat /app/packages.txt | grep -v '^#' | grep -v '^\s*$'); \
+    else \
+        echo "packages.txt not found or is empty, skipping system package installation."; \
+    fi && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# --- User Setup ---
+# Create a non-root user and switch to it
 RUN useradd -m -u 1000 user
 USER user
 ENV PATH="/home/user/.local/bin:$PATH"
-
 WORKDIR /app
 
+# --- Python Package Installation (as user) ---
+# Copy only requirements.txt first to leverage Docker cache
 COPY --chown=user ./requirements.txt requirements.txt
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
+# --- Application Code ---
+# Copy the rest of the application code
 COPY --chown=user . /app
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]
+
+# --- Run Command ---
+# Expose the port the app runs on (optional but good practice)
+EXPOSE 7860
+# Start the application
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]