Paste a Dockerfile and get rule-based findings across three categories: security (secrets baked into ENV/ARG, root user, unverified curl-pipe-to-shell), performance (missing apt/pip cache cleanup, unpinned recommends), and best-practice (unpinned base image tags, ADD vs COPY, shell-form CMD, missing HEALTHCHECK). Fixed rules, not an LLM — deterministic and free, like every other tool on this site. Runs entirely in your browser.
curl -sS -X POST https://devops.majbase.com/dockerfile-analyzer/api -H "Content-Type: application/json" --data-binary @- <<'EOF'
{"dockerfile": "FROM ubuntu\nRUN apt-get install -y curl\nCMD python3 app.py"}
EOFReturns {"findings": [{"line", "severity", "rule", "message"}, ...], "counts": {...}, "total": N}, or {"error": "..."}.