Docker - Cheat Sheet¶
As we have successfully setup Docker on our VM, let us go through some of the important commands related to docker.
Here are the steps involved in setting up Database Services such as Postgres using Docker:
Pull postgres image
Create container for postgres
Start the container
Review the logs to ensure that container is created with out any issues
Here are important commands to manage images and containers:
Managing images -
docker image
Command |
Description |
|---|---|
docker image pull |
Pull image |
docker image rm |
Remove image |
docker image build |
Build image |
Managing containers -
docker container
Command |
Description |
|---|---|
docker container create |
Create container |
docker container start |
Start container |
docker container stop |
Stop container |
docker container restart |
Restart container |
docker container rm |
Remove container |
docker container run |
Build, Create and Start container |
docker container logs |
Check logs of docker container |
docker container rm |
Remove stopped container |
docker container rm -f |
Stop and Remove running container |
docker container ls |
List containers |
Note
For most of these commonly used commands we have alternative with out image or container as keyword in the command - for example we can say docker rm to remove the container and docker rmi to remove the image.
docker pull postgres
docker container create \
--name itv_pg \
-p 5432:5432 \
-h itv_pg \
-e POSTGRES_PASSWORD=itversity \
postgres
docker container start itv_pg
docker container logs itv_pg
docker container logs -f itv_pg