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Docker for Beginners: Run an App Without Fighting the Host
Check Yourself: Data and Networks
Five scenario questions on volumes, bind mounts, published ports and container names. If you miss more than one, reread the lessons in this section.
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Before You Run Anything
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What Docker Is and Why Containers Exist
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Install Docker Desktop on Windows With WSL2
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Your First Containers
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Run, Stop and Remove a Container
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Logs, Exec and Copying Files In and Out
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Images
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Pull an Image and See What Layers Are
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Build a Small Image With a Dockerfile
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Data and Networks
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Volumes: Keep Data When a Container Dies
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Networks: Let Two Containers Talk by Name
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More Than One Service
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Docker Compose: Two Services With One File
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Clean Up: Images, Containers and Disk Space
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When Something Won't Start
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- Final Check: Docker for Beginners
1.
You run a database in a container without a volume. You remove the container and start a new one. What happened to the data?
2.
You mistyped the volume name in a second run command, and your data appears to be missing. What most likely happened?
3.
You are editing a web page and want the container to show each change the moment you save. Which kind of mount fits?
4.
Two containers are on the default bridge network, and one tries to reach the other with http://web. The lookup fails. What is the likely cause?
5.
A database container needs to be reached by another container, but not from your computer. What is the right setup?
About
Five scenario questions on volumes, bind mounts, published ports and container names. If you miss more than one, reread the lessons in this section.
- Duration
- 5 min
- Last update
- 08/03/2026
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