docker run --rm -it --name=name -p : -v :

Options:

• —rm : delete when finished running
• -it : interactive and allocate tty (needed when running interactive commands like bash)
• -d : run in background
• -p : expose port inside container to host e.g. -p 3333:80 exposes port 80 inside the container as port 3333 in the host
• -v : mount a host directory inside the container e.g. -v $(pwd)/..:/opt/script:ro
  • ro stands for read-only; can also be rw for read-write
• --privileged=true : run as root

Notes:

• —rm and -it are often used to run ad-hoc commands
• -d is used for running long-lived containers (e.g. a database). those can be stopped with docker stop

docker start ${containerId} : start a container that exited/is stopped

docker stop ${containerId} : stops a container

docker exec -it /bin/bash

• -t : allocate tty (needed for interactive programs like bash)
• -i : interactive mode

docker images : list images

• -a : include intermediary containers

docker build : build an image from Dockerfile description

• -f : name of docker file (Dockerfile by default)
• -t : tag with ${repository}:${tag}, ${tag} is optional

docker ps : list containers

• -a : list exited containers

docker rm ${containerId} : remove a container

docker rmi ${image} : remove an image

docker inspect ${containerId} : list info about a container as json

• is built from description in Dockerfile, e.g.: docker build -t ${imageTag} -f Dockerfile .
• if specified by name and not present locally, will be downloaded from docker store e.g. docker run ubuntu:18:04 will download ubuntu image from https://store.docker.com/images/ubuntu
• list local images: docker images
• delete with docker rmi ${imageTag}
• delete untagged (likely stale) images: docker rmi $(docker images | grep none | awk '{print $3}')

• an image that is running