Update Dockerfile

Dockerfile

@@ -1,7 +1,12 @@
-FROM ubuntu:20.04
+# Use Python as the base image
+FROM python:3.9-slim
 
-# Install Python and system dependencies
-RUN apt-get update && apt-get install -y python3 python3-pip ffmpeg && apt-get clean
+# Set environment variables to avoid interactive prompts
+ENV DEBIAN_FRONTEND=noninteractive
+ENV TZ=Etc/UTC
+
+# Install system dependencies and ffmpeg
+RUN apt-get update && apt-get install -y ffmpeg tzdata && apt-get clean
 
 # Set working directory
 WORKDIR /app