example: dockerfile flask redis docker-compose.the way of how to play is show as below;
1.run
docker-compose -f docker-compose.yml up -d
2.dockerfile
docker build -t python-app .
modified：
1.base images
2./etc/apk/repositories,use mirror image in order to accelerate
3.pip,use mirror image in order to accelerate
4.apk add "--no-cache"