docker in /delta_backend, /filenameprocessor, /lambdas/ack_backend, /mesh_processor, /recordprocessor for lambda/python, lambda/python, lambda/python, lambda/python, lambda/python - Update #1131539476

docker in /delta_backend, /filenameprocessor, /lambdas/ack_backend, /mesh_processor, /recordprocessor for lambda/python, lambda/python, lambda/python, lambda/python, lambda/python - Update #1131539476 #1357