Update Dockerfile

Dockerfile

@@ -1,6 +1,11 @@
 # Use an official Python runtime as a parent image
 FROM python:3.9-slim
 
+# Install system dependencies for OpenCV (including libGL.so.1)
+RUN apt-get update && apt-get install -y \
+    libgl1-mesa-glx \
+    && rm -rf /var/lib/apt/lists/*
+
 # Set the working directory in the container
 WORKDIR /app
 
@@ -10,12 +15,11 @@ COPY . /app
 # Install any needed packages specified in requirements.txt
 RUN pip install --no-cache-dir -r requirements.txt
 
+# Install Gunicorn
+RUN pip install gunicorn
+
 # Expose the port the app runs on
 EXPOSE 5000
 
-# Define environment variable
-ENV FLASK_APP=app.py
-ENV FLASK_RUN_HOST=0.0.0.0
-
-# Run the Flask app when the container launches
-CMD ["flask", "run"]
+# Run the Gunicorn server when the container launches
+CMD ["gunicorn", "--bind", "0.0.0.0:5000", "app:app"]