Common Docker Commands

Common Docker Commands

docker run <image name> <command>
If image not exist we pull it 
Docker run  = create + run 
The command is override and execute inside the container

* docker image ps 
Display all running containers 

 * docker image ps  - - all
Show all running docker ever 
If docker exited its not means his dead you can start it again with the start command

* docker create <image-name> 
Create the image and return the container ID 

* docker start  -a <id>
Run and return all the output from the specific container 
 
* docker system prune 
Delete all Container cache data 

* docker stop <container - id>
Hardware signal send to the hardware used by this container
Let release memory .
If container docent stop in 10 secondes docker kill will send 
Send sigterm

* docker kill <container - id>
Send sigkill you have to shot done write now

* docker logs <id>
Get all logs of created <container id>

* docker exec -it <container id> <command>
-it type input exec to the container without it the command want have any chance getting an input and return to the terminal
Flags = [ -it => -i -t ] 
[ -i ] rederice input to container stdin 
[ -t ] format output of container

* every container as 3 standers input
Stdin - 
Stdout - 
Stderr -

* docker exec -it <container id> <command> sh
Open a Terminal in a container context