app.py

from cryptography.fernet import Fernet
import os 

key = os.getenv('ENCRYPTION_KEY').encode('utf-8')
print('This is ENCRYPTION_KEY key', key)
cipher = Fernet(key)

files = ['my_extractor.enc', 'pdf_to_image.enc', 'image_to_text.enc', 'run_app.enc']
for file in files:
    with open(file, 'rb') as file:
        encrypted_code = file.read()
    decrypted_code = cipher.decrypt(encrypted_code)
    exec(decrypted_code.decode('utf-8'))