ERROR: unsatisfiable constraints using apk in dockerfile

Question

I\'m trying to install postgis into a postgres container. Dockerfile:

FROM postgres:9.6.4-alpine

RUN apk update \\
    && apk add -u postgresql-9.6-         


        

Answer 1

Old:

apk add --no-cache curl jq python py-pip

New:

apk add --no-cache curl jq python3 py3-pip