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Docker Basics on Linux

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Docker runs apps in containers. docker run -d -p 80:8080 myapp starts one. docker ps lists running containers. docker exec -it id bash opens a shell inside one. docker logs id shows the output.

Docker on Linux

sudo apt install docker.io
sudo systemctl enable --now docker
sudo usermod -aG docker $USER  # no sudo needed after re-login

docker pull nginx
docker run -d -p 80:80 --name web nginx
docker ps
docker logs web
docker exec -it web bash
docker stop web
docker rm web

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Docker Basics on Linux

Docker on Linux