When i type: sudo docker images , it shows me 3 images.
And when i type: sudo docker ps -a , it shows me 4 containers
And when i type: sudo docker info , i get a long output, but look here
First question: Can i delete the images and containers without no harm?
Second question: Containers is 4, and when i typed ‘sudo docker images’ i get 3 but ‘sudo docker info’ tells me what is 8 images ? Why is that?
Third question: How to use docker without typing ‘sudo’ all the time ?