Create image from existing container.txt

1. Create Ec2 instance with 
	
	- Ubuntu
	- t2.micro
	- SSH, HTTP in SG
	- Key Pair

2. Run Docker installation commands in ec2 instance

 # sudo apt-get update
 # sudo apt-get install \
     ca-certificates \
     curl \
     gnupg \
     lsb-release 
 # sudo mkdir -p /etc/apt/keyrings
 # curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
 # echo \
   "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
 # sudo apt-get update
 # sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin
 # docker --version
 # service docker start
 # service docker status

######################################### Practicle ################################################################

 # docker run --name jarvis_container_1 -it ubuntu /bin/bash
 # cat /etc/os-release
 # ls
 # touch /tmp/jarvis_file
 # exit
 # docker ps -a
 # docker diff jarvis_container_1 -- it give information about changes happed in that Container
 
	################### D=Deletion, C= Change, A = Append+Addition ######################		

	C /root
	A /root/.bash_history
	C /tmp	
	A /tmp/jarvis_file

 :: Now, Create a Image of Updated Container 

 # docker commit jarvis_container_1 updated_jarvis_image
 # docker images

 ::Note:- Now, we can share this image to anyone for that upload image into "Dockerhub" & Another user will pull it into his Docker Engine --> Run it
 
 In our case we run it on our same docker engine.

 # docker run -it --name jarvis_container_2 updated_jarvis_image /bin/bash
 # ls /tmp
 # exit
 # docker images
 # docker ps -a