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Scenarios/Docker Best Practices

PracticalIntermediatePremium

15 min

No setup required

.dockerignore: Practice

Create an effective .dockerignore to keep your production image clean — no secrets, no devDependencies, no unnecessary files.

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Type

Practical (Terminal)

Difficulty

Intermediate

Duration

15 min

Interactive Learning Experience

Practice in a real Docker environment directly in your browser

Terminal

root@instance01:/# docker ps

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

root@instance01:/# docker swarm init

Swarm initialized: current node is now a manager.

root@instance01:/# docker node ls

ID HOSTNAME STATUS AVAILABILITY MANAGER STATUS

abc123 * instance01 Ready Active Leader

root@instance01:/# _

Real terminal with Docker pre-installed

Step-by-step guided instructions

Automatic validation of your progress

No installation or setup required

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