Fixed Docker configuration for app module import on Hugging Face Spaces

Dockerfile

@@ -1,8 +1,26 @@
-FROM python:3.11-slim
+# Use official Python 3.9 image
+FROM python:3.9
 
+# Set working directory to /app (root of the repository)
 WORKDIR /app
-COPY requirements.txt .
-RUN pip install -r requirements.txt
-COPY app/ .
 
-CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]
+# Copy requirements file
+COPY ./requirements.txt /app/requirements.txt
+
+# Install dependencies
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+# Copy the entire project
+COPY . /app
+
+# Run as non-root user (required by Hugging Face)
+RUN useradd -m -u 1000 user
+USER user
+ENV HOME=/home/user \
+    PATH=/home/user/.local/bin:$PATH
+
+# Expose port
+EXPOSE 7860
+
+# Command to run the app, adjusting for the app/ subdirectory
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860"]