I am very new to docker and am trying to import my AWS EC2 AMI into a docker image. The image is a m2 linux image.
I have also setup a private docker hub(artifactory) to which I intend to push the image and make it available for consumption. What are the steps for importing AMI into docker image without starting from a base image and updating.
Pointers to any explanation would work too.
Turning an AMI into a Docker ImageOpen your AWS Console and search for the AMI you'd like to image. The Block Device Mapping for /dev/sda1 shows the EBS Snapshot containing the root filesystem for the AMI. Find that snapshot in the AWS Console, right-click and select “Create Volume”.
In this section, you create a Docker image of a simple web application, and test it on your local system or Amazon EC2 instance, and then push the image to the Amazon ECR container registry so you can use it in an Amazon ECS task definition. Create a file called Dockerfile .
A Docker image is a template that contains instructions for creating, deploying, and provisioning Docker containers. AMIs are images containing instructions for launching an instance.
Here is how I did it.
/dev/sda1=snap-eb79b0b1
:15:true:gp2
Launch instance with public Ubuntu 14.04 AMI
Create volume from snapshot snap-eb79b0b1 (in the same region that the instance runs).
Attach volume to the instance as /dev/sdf
mount volume to /mnt
mount /dev/xvdf /mnt
(or)
mount /dev/xvdf1 /mnt
https://docs.docker.com/engine/installation/ubuntulinux/
tar -c -C /mnt/ . | docker import - appcimage-master-1454216413
docker run -t -i 6d6614111fcb03d5ca79541b8a23955202dfda74995d968b5ffb5d45c7e68da9 /bin/bash
Docker can create an image from a tar file using the docker import
command. From the documentation:
Usage: docker import URL|- [REPOSITORY[:TAG]] Create an empty filesystem image and import the contents of the tarball (.tar, .tar.gz, .tgz, .bzip, .tar.xz, .txz) into it, then optionally tag it.
So you should be able to create a tar archive from your AMI image and then feed that to docker.
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