Appendix A — Docker Cheatsheet

A.1 General Docker Commands

Command	Purpose	Example
docker run	Run an image as a container	docker run me/my-image
docker ps	List all containers	docker ps
docker kill	Kill a container	docker kill my-container
docker exec	Run a command inside a running container	docker exec -it /bin/bash
docker build	Build a Dockerfile	docker built -t me/my-image .
docker logs	Get logs from a container	docker logs my-container
docker pull	Pull a container from a registry	docker pull me/my-image
docker push	Push a container to a registry	docker push me/my-image

A.2 docker run command flags

Flag	Purpose	Example
-d	Run in “detached” mode that doesn’t block your terminal	docker run -d ...
--rm	Remove the container on stop Reminder: don’t use in prod	docker run --rm …
-p	Publish ports from container to host	docker run -p 8000:8000 …
-v	Mount a volume into the container	docker run -v $(pwd):/data
--name	Give container a human-friendly name	docker run --name my-container

Reminder - -p and -v order is <host>:<container>

A.3 Dockerfile Commands

These are the commands that go in a Dockerfile when you’re building it.

Command	Purpose	Example
FROM	Indicate base container	FROM rocker/r-ver:4.1.0
RUN	Run a command when building	RUN apt-get update
COPY	Copy from the working directory into the container	COPY . /app/
CMD	Specify the command to run when the container starts	CMD quarto render .