Update Dockerfile

Dockerfile

@@ -1,22 +1,40 @@
-# Use Python 3.9
-FROM python:3.9
+# Use the slim version of Python 3.9 (Debian Bullseye)
+# This is often more stable for networking in restricted environments
+FROM python:3.9-slim-bullseye
+
+# Set environment variables to prevent Python from writing .pyc files
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
 
 # Set working directory
 WORKDIR /code
 
-# Copy requirements and install
+# Install system dependencies (needed for some networking libraries)
+# We install ca-certificates explicitly to ensure HTTPS works
+RUN apt-get update \
+    && apt-get install -y --no-install-recommends \
+       ca-certificates \
+       netbase \
+    && rm -rf /var/lib/apt/lists/*
+
+# Create a non-root user (required by HF Spaces)
+RUN useradd -m -u 1000 user
+
+# Copy requirements first (for caching)
 COPY ./requirements.txt /code/requirements.txt
 RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
 
-# Copy the app
-COPY . .
+# Copy the app files AND change ownership to the 'user'
+# This is critical: standard COPY makes files owned by root, which can cause permission errors
+COPY --chown=user . /code
 
-# Create a non-root user (required by HF Spaces)
-RUN useradd -m -u 1000 user
+# Switch to the non-root user
 USER user
+
+# Set home environment
 ENV HOME=/home/user \
     PATH=/home/user/.local/bin:$PATH
 
 # Run the app
-# CHANGED: "main:app" matches the filename main.py
+# Using 0.0.0.0 is required for Docker networking
 CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "7860"]