Update Dockerfile

Dockerfile

@@ -1,15 +1,28 @@
-FROM python:3.13
+# ==============================================================================
+# Dockerfile for the Python/FastAPI Backend (Corrected)
+# ==============================================================================
+# Use an official Python runtime as a parent image
+FROM python:3.10-slim
 
+# Set the working directory in the container
 WORKDIR /app
 
-ENV PYTHONDONTWRITEBYTECODE=1 \
-    PYTHONUNBUFFERED=1
+# --- Environment Variables ---
+ENV PYTHONDONTWRITEBYTECODE 1
+ENV PYTHONUNBUFFERED 1
 
+# --- Install Dependencies ---
 COPY requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir --upgrade pip && \
+    pip install --no-cache-dir -r requirements.txt
 
+# --- Copy Application Code and Model ---
 COPY . .
 
+# --- Expose Port and Run Application ---
 EXPOSE 8000
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
+
+# Command to run the application using python's module flag (-m)
+# This is a more robust way to run uvicorn inside a container.
+CMD ["python", "-m", "uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]