alpine package py-pip missing

Question

Im trying to install python pip in my alpine using Docker compose file but get the following error.

ERROR: unsatisfiable constraints:
  py-pip (missing):
    required by: world[py-pip]
ERROR: Service 'web' failed to build: The command '/bin/sh -c apk add py-pip' returned a non-zero code: 1

Answer 1

Do update first:

apk add --update py-pip

Or:

apk update
apk add py-pip

Answer 2

For python3 on alpine edge:

apk add py3-setuptools

Answer 3

For me --no-cache option worked.

apk add --no-cache py-pip