pg:
  version: 9.4
  image: postgres
  password: "{{ postgres_container_password }}"
  data_container: "postgres-data"
  service_name: "postgres"

pg:
  version: 9.4
  image: postgres
  password: "{{ postgres_container_password }}"
  data_container: "postgres-data"
  service_name: "postgres"

postgres_container_image: "{{ pg.image }}:{{ pg.version }}"

Add variable for postgres image
Add variable for postgres image

Signed-off-by: Jan Losinski <577c4104c61edf9f052c616c0c23e67bef4a9955@wh2.tu-dresden.de>
