learn docker notes

learn-docker.md

docker container run --publish 80:80 nginx

1. Downloaded latest image nginx from Docker Hub
2. Started a new container from that image
3. Opened port 80 on the host IP (1st 80)
4. Routes that traffic to the container IP, port 80 (2nd 80)

docker container run --publish 80:80 --detach nginx

• --detach tells docker to run it in the background and we get back(it returns) unique container id of our container

docker container ls

• list all containers running

Stopping container

docker container stop

• stops the container

docker container rm -f 675 697 360

• removes container
• -f removes even running container

intersesting fact: docker container names when not specified will randomly

generatre an adjective and a famouse scientist, e.g. practical_brown

docker container run --publish 80:80 --detach --name webhost nginx

Viewing Logs

docker container logs webhost -f

• webhost is the container name
• -f - tailing

Check processes running in the container

docker container top webhost

Interesting fact: nginx has a master process and it spins up worker

process based on configuration

View help

docker container --help