docker stop $(docker ps -aq); docker rm $(docker ps -aq)

docker stop $(docker ps -a -q)

docker rm -f $(docker ps -a -q) 

docker stop $(docker ps -qa)
docker rm $(docker ps -qa)

docker run -v c:\ContainerData:c:\data:RO for read-only access
docker run -v c:\ContainerData:c:\data:RW for read-write access
docker run -v c:\ContainerData:c:\data for read-write access (default)


docker run -itd -p 8030:80 -m 1GB --name nginx1 -v c:/html:/usr/share/nginx/html nginx

docker run -itd -p 8040:80 -m 1GB --name nginx2 -v c:/html:/usr/share/nginx/html:ro nginx:v2

--privileged
	$ docker run -t -i --rm ubuntu bash
	root@bc338942ef20:/# mount -t tmpfs none /mnt
							mount: permission denied
	
	$ docker run -t -i --privileged ubuntu bash
	root@50e3f57e16e6:/# mount -t tmpfs none /mnt
	root@50e3f57e16e6:/# df -h
						 Filesystem      Size  Used Avail Use% Mounted on
						 none            1.9G     0  1.9G   0% /mnt


-w
	$ docker  run -w /path/to/dir/ -i -t  ubuntu pwd
	The -w lets the command being executed inside directory given, here /path/to/dir/. 
	Note  :  If the path does not exist it is created inside the container.
	
	docker run -itd -p 8050:80 -m 1GB --name nginx3 -w //usr//share//nginx//html -v c:/html:/usr/share/nginx/html nginx

	
	
-e, --env, --env-file
	$ docker run -e MYVAR1 --env MYVAR2=foo --env-file ./env.list ubuntu bash
	
	$ docker run --env VAR1=value1 --env VAR2=value2 ubuntu env | grep VAR
		VAR1=value1
		VAR2=value2


Limiting Memory
	$ docker run -d -p 8081:80 --memory=20m --memory-swap=20m nginx
	$ docker container run -d --memory-reservation=250m --name mymem1 alpine:3.8 sleep 3600


Limiting CPU
	--cpus
		Docker 1.13 and higher:
			$ docker run -it --cpus=".5" ubuntu /bin/bash
		
		Docker 1.12 and lower:
			$ docker run -it --cpu-period=100000 --cpu-quota=50000 ubuntu /bin/bash
			$ docker run -it --cpus-shares="512" ubuntu /bin/bash

$ docker stop $(docker ps -aq); docker rm $(docker ps -aq)
$ docker run -itd -p 8030:80 --name nginx7 -v c:/html:/usr/share/nginx/html:ro nginx:v2
$ docker stats
	CONTAINER ID        NAME         CPU %      MEM USAGE / LIMIT       MEM %               NET I/O             BLOCK I/O           PIDS
	779eb8148aa7        nginx7       0.00%      1.914MiB / 8.75GiB      0.02%               906B / 0B           0B / 4.1kB          2

$ docker start -a -i 6d8af538ec5
	bash-4.2#

Copy a file from host to container:
	 docker cp Dockerfile 779eb8148aa7:/tmp/Dockerfile
	 docker exec -it 779eb8148aa7 //bin/bash
	 docker cp Dockerfile 779eb8148aa7:/tmp/Dockerfile123
	 docker exec -it 779eb8148aa7 //bin/bash
 
Copy a file from Docker container to host:
	docker cp 779eb8148aa7:/tmp/Dockerfile123 Dockerfile_Delete


Copy a Folder from host to container:
	docker cp /home/captain/my_dir ubu_container:/home
	docker cp ubu_container:/home/my_dir  /home/captain