# Create database management engine
data_engine = DataManager(
cache_engine,
logger,
app.config['MGMT_DATABASE_CONNECTION'],
app.config['MGMT_DATABASE_POOL_SIZE']
)
app.data_engine = data_engine
# Create background task processing client
task_engine = TaskManager(
data_engine,
logger
)
task_engine.init_housekeeping_tasks()
app.task_engine = task_engine
# Create a user permissions engine
permissions_engine = PermissionsManager(
data_engine,
cache_engine,
task_engine,
app.config,
logger
)
app.permissions_engine = permissions_engine
# Create the main imaging engine
image_engine = ImageManager(
data_engine,
