docker.md

Install

apt-get install docker.io
systemctl start docker

Build an docker image

docker build -t <targetName> -f ./<dockerfile> .

Start docker container (interactive terminal, detached, rm = clean up after docker stop)

docker run -itd --rm --name <containerName> ubuntu

Start container, execute a command and stop container

docker run -itd --rm --name <containerNameOrId> ubuntu bash -c "<command>"

Interact with container

docker exec -it <containerNameOrId> bash

List containers

docker ps -a

Stop container

docker stop <containerNameOrId>

Delete container

docker rm <containerNameOrId>

Create docker network

docker network create --subnet=192.168.0.0/16 <networkName>

List networks

docker network ls

Delete network

docker network rm <networkName>

List docker images

docker images

Delete image

docker rmi <imageNameOrId>

Dockerfile; Debian container with VPN

FROM debian:latest
MAINTAINER r1cksec

RUN apt-get -y update && apt-get -y upgrade && apt-get -y install openvpn && echo "nameserver 8.8.8.8" > /etc/resolv.conf
ADD vpn-config.openvpn /root/vpn-config.openvpn
ADD startvpn.sh /startvpn.sh
RUN chmod +x /startvpn.sh

Start using:
docker run -itd --rm --cap-add=NET_ADMIN --device /dev/net/tun --net <nameserver> --ip <ipv4Address> --name <containerName> <imageName>

Dockerfile: Ubuntu container with GUI

FROM ubuntu:latest

ENV DEBIAN_FRONTEND noninteractive
RUN apt-get update && RUN apt-get -y install firefox libcanberra-gtk-module libcanberra-gtk3-module && apt-get clean

CMD ["firefox"]

Start using:
xhost +
docker run -it --rm -e DISPLAY=$DISPLAY -v /tmp/.X11-unix:/tmp/.X11-unix <imageName>
xhost -

Start service when container boots

CMD ["/usr/sbin/nginx", "-g", "daemon off;"]
CMD ["/usr/bin/tinyproxy", "-d"]