Update Dockerfile

Dockerfile

@@ -1,8 +1,13 @@
 # Base image using Python 3.9
 FROM python:3.9
 
-# Install system dependencies needed by OpenCV and other libraries
-RUN apt-get update && apt-get install -y libgl1-mesa-glx
+# Install system dependencies needed by OpenCV, network utilities, and certificates.
+RUN apt-get update && apt-get install -y \
+    libgl1-mesa-glx \
+    iputils-ping \
+    net-tools \
+    curl \
+    ca-certificates
 
 # Create a new user to run the app
 RUN useradd -m -u 1000 user
@@ -10,6 +15,7 @@ USER user
 
 # Set environment variables
 ENV PATH="/home/user/.local/bin:$PATH"
+ENV PYTHONUNBUFFERED=1
 
 # Set the working directory
 WORKDIR /app