docker

Docker

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Reference Docker Install Docker Compose Installation

sample file Dockerfile

sample file Docker Compose

CLI

Search docker containers on dockerhub

docker search

Tag docker image for AWS

docker tag hello-world:latest aws_account_id.dkr.ecr.us-east-1.amazonaws.com/hello-world:latest

Upload Docker image to AWS ECR

docker push aws_account_id.dkr.ecr.us-east-1.amazonaws.com/hello-world:latest

Get login details for AWS ECR

aws ecr get-login-password --region region | docker login --username AWS --password-stdin aws_account_id.dkr.ecr.region.amazonaws.com

Pull image from dockerhub

docker pull ubuntu

• Pull the ubuntu image from dockerhub

List images

docker images ls

List containers

docker container ls -a

• a - List all containers, without the flag it only shows active containers

Remove image

docker rmi image_name or ID number

Remove all containers

docker container prune

Start a container

docker container start container_id

Build container from local Dockerfile

docker build -t image_name .

• t - name you wish to give the container

Run container after building it

docker run -d --name container_name -p 80:80 image_name

• d -
• name - give container name or a default one will be created
• p - assign port mapping first is host second is container port
• it - interactive terminal
• --network - specify network for container to run on
• v - map directory from host to container

Bash into running container

docker exec -it container_id bash