Developer
Tools will load when you run.Dockerfile Validator✓
Check Dockerfile instruction structure and download a JSON report. Images are not built and shell commands are not executed.
Your result.
How to use Dockerfile Validator
- Choose your DOCKERFILE, plain text or paste text into the editor.
- Choose your Dockerfile source or paste it into the editor and review the supported parser or engine.
- Run validation and review the Dockerfile JSON report.
Process multiple files
Use a workflow to apply the same settings to each file.
Formats and requirements
- Input formats
- DOCKERFILE, plain text
- Output
- JSON
- Availability
- Free in your browser and through the CLI
- Files per operation
- 1
- Browser file limit
- 1 MiB per file, 16 MiB total
What to expect
Dockerfile instruction structure only; no builds, base-image checks or shell linting. up to 1 MiB per input file.
Do my files leave my device?
No. Thanks to advanced file-processing technology, your files are processed directly on your device, inside your browser. OneKit does not receive your input files or results. Required public processing libraries may download when you first use the tool.
File privacy and local processing →