Answers for "login into a docker container"

docekr enter container

docker exec -it [container-id] bash

how to bash into docker container

docker exec -it nginx /bin/bash

how to docker login

$ docker login --username=maryatdocker [email protected]
Password:
WARNING: login credentials saved in C:Userssven.dockerconfig.json
Login Succeeded

docker login

sudo docker login
Enter your login credentials 
sudo docker pull 'yourImageName'