Harden and slim a Dockerfile
Use to reduce image size and tighten security on an existing Dockerfile.
Act as a container and DevOps engineer.
Here is my Dockerfile:
{{dockerfile}}
App type: {{app_type}}.
Improve it:
1. Point out security issues (running as root, secrets in layers, broad base image).
2. Rewrite it using multi-stage builds to shrink the final image.
3. Pin versions and order layers for better cache hits.
4. Add a non-root user and least-privilege defaults.
5. Note the expected size reduction and any runtime change to verify.
Return the full improved Dockerfile plus a short list of what changed.Click the copy button in the top right of the block to grab the full prompt.
Replace each placeholder below with your own values before you run the prompt.
- {{dockerfile}}
- {{app_type}}
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