What this snippet does
Committing captures manual changes but produces an image nobody can rebuild from source.
Expected output
sha256:7f2a9c1e4b83d05a
Why practise typing this
Typing cli: containers code builds muscle memory for the symbols and indentation Docker uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.
More Docker practice
- One-off containerCLI: Containers · beginner
- Interactive shellCLI: Containers · beginner
- Listing containersCLI: Containers · beginner
- Shell into a running containerCLI: Containers · beginner
- Following logsCLI: Containers · beginner
- Extracting one fieldCLI: Containers · intermediate