Docker

Install

sudo apt-get remove docker docker-engine docker.io
sudo apt-get update
sudo apt-get install     apt-transport-https     ca-certificates     curl     software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo apt-key fingerprint 0EBFCD88
sudo add-apt-repository    "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) \
stable"
apt-get update
# At production usse specific version:
apt-cache madison docker-ce
apt-get install docker-ce=18.03.0~ce-0~ubuntu  
# Otherwise apt install docker-ce
sudo curl -L https://github.com/docker/compose/releases/download/1.20.1/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
chmod +x /usr/local/bin/docker-compose
sudo curl -L https://raw.githubusercontent.com/docker/compose/1.20.1/contrib/completion/bash/docker-compose -o /etc/bash_completion.d/docker-compose
### old: curl -sSL https://get.docker.com/ | sh

Examples

docker pull python:2.7
docker run -i -t python:2.7
docker docker run -i -t python:2.7 bash
docker ps -a
docker pull linuxkonsult/kali-metasploit
docker search kali

docker images
docker run -i -t linuxkonsult/kali-metasploit bash

# Remove all containers
docker rm $(docker ps -aq)  

# Remove one image
docker rmi ae024c7584a3
#  Remove incompletely built images:
docker images | grep -v IMAGE\ ID | awk '{print "docker rmi " $3;}'

Restart stopped container with diferent command

Find your stopped container id

docker ps -a

Commit the stopped container: This command saves modified container state into a new image user/test_image

docker commit $CONTAINER_ID user/test_image

Start/run with a different entry point:

docker run -ti --entrypoint=sh user/test_image

Restart exited container

docker start  `docker ps -q -l` # restart it in the background
docker attach `docker ps -q -l` # reattach the terminal & stdin

Create & Publish image

mkdir rpi_python
nano rpi_python/Dockerfile

Docekerfile

# Pull base image
FROM resin/rpi-raspbian:wheezy
MAINTAINER Dieter Reuter <dieter@hypriot.com>

# Install dependencies
RUN apt-get update && apt-get install -y \
    python \
    python-dev \
    python-pip \
    python-virtualenv \
    --no-install-recommends && \
    rm -rf /var/lib/apt/lists/*

# Define working directory
WORKDIR /data

# Define default command
CMD ["bash"]

docker build -t DOCKER_HUB_USERNAME/rpi_python:0.0.1 .
# Or with multiple tags
docker build -t DOCKER_HUB_USERNAME/rpi_python:0.0.1 -t DOCKER_HUB_USERNAME/rpi_python:latest .
# List images
docker images
# Test image
docker run -rm -it DOCKER_HUB_USERNAME/rpi_python:0.0.1
# Login
docker login
docker push DOCKER_HUB_USERNAME/rpi_python:0.0.1

Pull Modify Commit

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You need to commit the changes you make to the container and then run it. Try this:

sudo docker pull ubuntu

sudo docker run ubuntu apt-get install -y ping

Then get the container id using this command:

sudo docker ps -l

Commit changes to the container:

sudo docker commit <container_id> iman/ping 

Then run the container:

sudo docker run iman/ping ping www.google.com

Dockerfile reference

https://docs.docker.com/engine/reference/builder/