Update Dockerfile

Dockerfile

@@ -1,20 +1,18 @@
-# Use an official Python runtime as a parent image
-FROM python:3.9-slim
+# Use lightweight Python image
+FROM python:3.11-slim
 
-# Set the working directory in the container
+# Set working directory
 WORKDIR /app
 
-# Copy the current directory contents into the container
-COPY . /app
-
-# Install any needed packages specified in requirements.txt
+# Copy requirements and install
+COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Make port 8000 available to the world outside this container
-EXPOSE 8000
+# Copy app
+COPY main.py .
 
-# Define environment variable
-ENV PYTHONUNBUFFERED=1
+# Expose FastAPI port
+EXPOSE 8000
 
-# Run main.py when the container launches
-CMD ["python", "main.py"]
+# Run the app
+CMD ["uvicorn", "main.py:app", "--host", "0.0.0.0", "--port", "8000", "--workers", "1"]