-
docker images- list of Docker images on the system -
docker run image- download image if not present and run image as container. -
docker run -t -i --privileged ubuntu bash--ioptoin tells docker to run command in interactive mode. -
docker run -p 80:8080/tcp ubuntu bash- 80 hostport, 8080 container port -
docker rmi ImageID- remove docker image with ImageId -
docker ps- list currently running containers on the machine -
docker ps -a- list all the containers on the machine -
docker history ImageId- see all the commands that were run with an image via a container -
docker top ContainerID- see the top processes within a container -
docker stop ContainerID- stop a running container -
docker rm ContainerID- delete a container -
docker stats ContainerID- statstics of a running container -
docker inspect Container/Image- return low-level information on the container or image -
docker logs containerID- to see the logs of the container -
docker attach ContainerID- attach a running container -
docker pause ContainerID- pause the processes in a running container -
docker unpause ContainerID- unpause the processes in a running container -
docker kill ContainerID- kill the processes in a running container
Dockerfile is used to create images which in turn can be used to create containers.
-
#- for comments -
FROM- tells docker, from which base image you want to base your image from -
RUN- run instructions against the image -
CMD command param1- execute a command at runtime when the container is executed -
ENV key value- set environment variables in the container -
WORKDIR dirname- set the working directory of the container -
docker build -t ImageName:TagName dir- Build image from dockerfile, -t for tagging, dir for location of Dockerfile
Docker Compose is used to run multiple containers as a single service without the need to start each one separately.
-
docker-compose.yml- filename for docker compose -
docker-compose version- details of the version of docker compose -
docker-compose up- take the docker-compose.yml file in the local directory and start building the containers -
docker-compose down- terminate all