Dockerfile

#!/bin/bash
set -e

# Start Xvfb (virtual screen)
Xvfb :0 -screen 0 1024x600x16 &
export DISPLAY=:0

# Start Android emulator in background
$ANDROID_SDK_ROOT/emulator/emulator -avd cloudemu -noaudio -no-window -no-boot-anim -gpu off &
sleep 40  # wait for boot

# Start Flask app (web UI)
python3 /app/app.py