message: use minor and not patch versions.
diff: @@ -192,10 +192,10 @@ build/athenapdf-service: images/athenapdf-service/Dockerfile
  #######
  ####### Python Images are alpine linux based Python images.
  -pythonimages := python__2.7.15 \
  - python__3.7.2 \
  - python__2.7.15-ckan \
  - python__2.7.15-ckandatapusher
  +pythonimages := python__2.7 \
  + python__3.7 \
  + python__2.7-ckan \
  + python__2.7-ckandatapusher
  build-pythonimages = $(foreach image,$(pythonimages),build/$(image))
  @@ -214,9 +214,9 @@ $(build-pythonimages): build/commons
  base-images += $(pythonimages)
  s3-images += python
  -build/python__2.7.15 build/python__3.7.2: images/commons
  -build/python__2.7.15-ckan: build/python__2.7.15
  -build/python__2.7.15-ckandatapusher: build/python__2.7.15
  +build/python__2.7 build/python__3.7: images/commons
  +build/python__2.7-ckan: build/python__2.7
  +build/python__2.7-ckandatapusher: build/python__2.7
  #######
  