Google App Engine Dockerfile error: Unable to locate package python3.8
I am using this Dockerfile to deploy to App Engine Flexible environment. FROM gcr.io/google-appengine/python RUN apt-get -y update && apt-get -y upgrade && apt-get install -y software-properties-common && add-apt-repository -y ppa:ubuntugis/ppa && add-apt-repository -y ppa:deadsnakes/ppa && apt-get -y update &&…