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docktionary

Playground

Build it by hand

No account, nothing saved anywhere. Build a new Dockerfile or compose file from scratch, or paste in one you already have and check it for the mistakes that only show up later.

Dockerfile builder

Pick a base image, add instructions, and watch a real Dockerfile take shape.

Compose builder

Add services, wire up ports and volumes, and generate a docker-compose.yml.

GitHub Actions builder

Pick a registry, tags, and platforms, and generate a build-and-push workflow.

Helm chart builder

Set an image and a few options, and generate a basic chart -- Chart.yaml, values.yaml, and templates.

Dockerfile linter

Paste a Dockerfile you didn't write and check it for common anti-patterns.

Compose linter

Paste a docker-compose.yml and check it for missing limits, plaintext secrets, and more.

Kubernetes manifest linter

Paste a manifest and check it for missing limits, probes, and privileged containers.

GitHub Actions linter

Paste a workflow and check it for unpinned actions, script injection, and overbroad permissions.