markdown Docker Simple CheatSheets

Posted 2021-05-05

# Installation

## Linux

```
curl -sSL https://get.docker.com/ | sh

```

## Mac

Use this link to download the dmg.

```
https://download.docker.com/mac/stable/Docker.dmg

```

## Windows

Use the msi installer:

```
https://download.docker.com/win/stable/InstallDocker.msi

```

# Docker Registries & Repositories

## Login to a Registry

```
docker login

```

```
docker login localhost:8080

```

## Logout from a Registry.

```
docker logout

```

```
docker logout localhost:8080

```

## Searching an Image

```
docker search nginx

```

```
docker search nginx --stars=3 --no-trunc busybox

```

## Pulling an Image

```
docker pull nginx

```

```
docker pull eon01/nginx localhost:5000/myadmin/nginx

```

## Pushing an Image

```
docker push eon01/nginx

```

```
docker push eon01/nginx localhost:5000/myadmin/nginx

```

# Running Containers

## Creating a Container

```
docker create -t -i eon01/infinite --name infinite

```

## Running a Container

```
docker run -it --name infinite -d eon01/infinite

```

## Renaming a Container

```
docker rename infinite infinity

```

## Removing a Container

```
docker rm infinite

```

## Updating a Container

```
docker update --cpu-shares 512 -m 300M infinite

```

# Starting & Stopping Containers

## Starting

```
docker start nginx

```

## Stopping

```
docker stop nginx

```

## Restarting

```
docker restart nginx

```

## Pausing

```
docker pause nginx

```

## Unpausing

```
docker unpause nginx

```

## Blocking a Container

```
docker wait nginx

```

## Sending a SIGKILL

```
docker kill nginx

```

## Connecting to an Existing Container

```
docker attach nginx

```

# Getting Information about Containers

## Running Containers

```
docker ps

```

```
docker ps -a

```

## Container Logs

```
docker logs infinite

```

## Inspecting Containers

```
docker inspect infinite

```

```
docker inspect --format '{{ .NetworkSettings.IPAddress }}' $(docker ps -q)

```

## Containers Events

```
docker events infinite

```

## Public Ports

```
docker port infinite

```

## Running Processes

```
docker top infinite

```

## Container Resource Usage

```
docker stats infinite

```

## Inspecting changes to files or directories on a container’s filesystem

```
docker diff infinite

```

# Manipulating Images

## Listing Images

```
docker images

```

## Building Images

```
docker build .

```

```
docker build github.com/creack/docker-firefox

```

```
docker build - < Dockerfile

```

```
docker build - < context.tar.gz

```

```
docker build -t eon/infinite .

```

```
docker build -f myOtherDockerfile .

```

```
curl example.com/remote/Dockerfile | docker build -f - .

```

## Removing an Image

```
docker rmi nginx

```

## Loading a Tarred Repository from a File or the Standard Input Stream

```
docker load < ubuntu.tar.gz

```

```
docker load --input ubuntu.tar

```

## Save an Image to a Tar Archive

```
docker save busybox > ubuntu.tar

```

## Showing the History of an Image

```
docker history

```

## Creating an Image From a Container

```
docker commit nginx

```

## Tagging an Image

```
docker tag nginx eon01/nginx

```

## Pushing an Image

```
docker push eon01/nginx

```

# Networking

## Creating Networks

```
docker network create -d overlay MyOverlayNetwork

```

```
docker network create -d bridge MyBridgeNetwork

```

```
docker network create -d overlay \
  --subnet=192.168.0.0/16 \
  --subnet=192.170.0.0/16 \
  --gateway=192.168.0.100 \
  --gateway=192.170.0.100 \
  --ip-range=192.168.1.0/24 \
  --aux-address="my-router=192.168.1.5" --aux-address="my-switch=192.168.1.6" \
  --aux-address="my-printer=192.170.1.5" --aux-address="my-nas=192.170.1.6" \
  MyOverlayNetwork

```

## Removing a Network

```
docker network rm MyOverlayNetwork

```

## Listing Networks

```
docker network ls

```

## Getting Information About a Network

```
docker network inspect MyOverlayNetwork

```

## Connecting a Running Container to a Network

```
docker network connect MyOverlayNetwork nginx

```

## Connecting a Container to a Network When it Starts

```
docker run -it -d --network=MyOverlayNetwork nginx

```

## Disconnecting a Container from a Network

```
docker network disconnect MyOverlayNetwork nginx

```

# Cleaning Docker

## Removing a Running Container

```
docker rm nginx

```

## Removing a Container and its Volume

```
docker rm -v nginx

```

## Removing all Exited Containers

```
docker rm $(docker ps -a -f status=exited -q)

```

## Removing All Stopped Containers

```
docker rm `docker ps -a -q`

```

## Removing a Docker Image

```
docker rmi nginx

```

## Removing Dangling Images

```
docker rmi $(docker images -f dangling=true -q)

```

## Removing all Images

```
docker rmi $(docker images -a -q)

```

## Removing all untagged images

```
docker rmi -f $(docker images | grep "^<none>" | awk "{print $3}")

```

## Stopping & Removing all Containers

```
docker stop $(docker ps -a -q) && docker rm $(docker ps -a -q)

```

## Removing Dangling Volumes

```
docker volume rm $(docker volume ls -f dangling=true -q)

```

# Docker Swarm

## Installing Docker Swarm

```
curl -ssl https://get.docker.com | bash

```

## Initializing the Swarm

```
docker swarm init --advertise-addr 192.168.10.1

```

## Getting a Worker to Join the Swarm

```
docker swarm join-token worker

```

## Getting a Manager to Join the Swarm

```
docker swarm join-token manager

```

## Listing Services

```
docker service ls

```

## Listing nodes

```
docker node ls

```

## Creating a Service

```
docker service create --name vote -p 8080:80 instavote/vote

```

## Listing Swarm Tasks

```
docker service ps

```

## Scaling a Service

```
docker service scale vote=3

```

## Updating a Service

```
docker service update --image instavote/vote:movies vote

```

```
docker service update --force --update-parallelism 1 --update-delay 30s nginx

```

```
docker service update --update-parallelism 5--update-delay 2s --image instavote/vote:indent vote

```

```
docker service update --limit-cpu 2 nginx

```

```
docker service update --replicas=5 nginx

```