export FLASK_APP=app export FLASK_ENV=development flask run flask shell

docker proxy `` location - /etc/systemd/system/docker.service.d

1. file - http-proxy.conf [Service] Environment="HTTP_PROXY=http://proxyserveraddress:proxyport"
2. file - https-proxy.conf [Service] Environment="HTTPS_PROXY=https://proxyserveraddress:proxyport"

sudo systemctl daemon-reload sudo systemctl restart docker ``

docker commands sudo docker login -u lazyxghost sudo docker image prune sudo docker ps -a sudo docker rmi image_name:image_version sudo docker images -a sudo docker push lazyxghost/biometric_attendance sudo docker tag biometric_attendance lazyxghost/biometric_attendance sudo docker rm testcontainer sudo docker run --name testcontainer bio_att:running