application_id:         svc-db-postgres
postgres_volume:        "{{ applications | get_app_conf(application_id, 'docker.volumes.data', True) }}"
postgres_name:          "{{ applications | get_app_conf(application_id, 'docker.services.postgres.name', True) }}"
postgres_image:         "{{ applications | get_app_conf(application_id, 'docker.services.postgres.image', True) }}"
postgres_subnet:        "{{ networks.local['svc-db-postgres'].subnet }}"
postgres_network_name:  "{{ applications | get_app_conf(application_id, 'network', True) }}"
postgres_version:       "{{ applications | get_app_conf(application_id, 'docker.services.postgres.version', True) }}"
postgres_password:      "{{ applications | get_app_conf(application_id, 'credentials.postgres_password', True) }}"
postgres_port:          "{{ database_port | default(ports.localhost.database[ application_id ]) }}"
postgres_init:          "{{ database_username is defined and database_password is defined and database_name is defined }}"