instruction: Create a Dockerfile for Python with production best practices
output: ```dockerfile
  from a private repository using an explicit port numberFixed the output of docker-compose config when a port definition used
  0 as the value for the published port1.15.0(2017-07-26)New featuresCompose file version 2.2Added support for the network parameter in build configurations.Compose file version 2.1 and upThe pid option in a service's definition now supports a service:<name>
  value.Added support for the storage_opt parameter in service definitions.
  This option is not available for the v3 formatAll formatsAdded --quiet flag to docker-compose pull, suppressing progress outputSome improvements to CLI outputBug fixesVolumes specified through the --volume flag of docker-compose run now
  complement volumes declared in the service's definition instead of replacing
  themFixed a bug where using multiple Compose files would unset the scale value
  defined inside the Compose file.Fixed an issue where the credHelpers entries in the config.json file
  were not being honored by ComposeFixed a bug where using multiple Compose files with port declarations
  would cause failures in Python 3 environmentsFixed a bug where some proxy-related options present in the user's
  environment would prevent Compose
  ```