02-DockerRun

## Running a lightest linux distribution called alpine. Pass echo hello world as argument ##
docker run alpine echo hello world

## Pull an image of the Ubuntu OS, "-it" flag interactive terminal inside the spawned container and map the port with "-p" flag to run a webserver ##
docker run -it -p 8080:80 ubuntu

## Inside the spawned container - Update the container & install apache webserver ##
## Expect a long process :-) ##
apt-get update &&  apt-get install -y apache2

## Running apache webserver with -DFOREGROUND option. This option is running in the foreground, so you see any error messages here. ##
apach2ctl -DFOREGROUND

## Open in Webserver ##
http://localhost:8080

## Interrupt the process ##
Press Ctrl+c

## Exit the container ##
exit

## Shows all containers (default shows just running) ##
docker ps -a

## Querying only the container ID ##
docker ps -aq

## Removing the containers ##
docker rm $(docker ps -aq)

## Shows all containers (default shows just running) ##
docker ps -a