run.sh

#!/bin/bash

# Navigate to the project directory
cd "$(dirname "$0")"

# Ensure logs directory exists
mkdir -p logs

# Graceful shutdown function
cleanup() {
    echo "Received stop signal, shutting down services..."
    # Kill all background processes spawned by this script
    # The 'jobs -p' command lists the PIDs of all background jobs.
    kill $(jobs -p) 2>/dev/null
    echo "All services stopped."
    exit 0
}

# Trap TERM and INT signals to run the cleanup function.
# This ensures that when Docker stops the container, we can clean up.
trap cleanup SIGTERM SIGINT

# Activate virtual environment
# Note: In Docker, dependencies are usually pre-installed in the image,
# but this makes the script runnable outside of Docker too.
if [ -d "venv" ]; then
    . venv/bin/activate
fi

# Start background services
echo "Starting listener service in the background..."
python3 run_listener.py &> logs/listener.log &

echo "Starting worker service in the background..."
python3 upload_worker.py &> logs/worker.log &

# Start the main Flask application in the FOREGROUND.
# This process will keep the container running.
# 'exec' replaces the shell process with the python process, which is a good practice.
echo "Starting Flask application in the foreground..."
exec python3 app.py