Fix Render deploy: add gunicorn to services/ml_api requirements#11
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Render deploy failed with 'gunicorn: command not found' (exit 127) because render.yaml installs services/ml_api/requirements.txt, which lacked gunicorn. Add it, and pin scikit-learn==1.7.2 to match the version output/models was pickled with (avoids the InconsistentVersionWarning / invalid-results risk). Verified: gunicorn services.ml_api.main:app -k uvicorn.workers.UvicornWorker boots; /health ok and /analyze returns predictions. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Problem
Render deploy crashed on boot:
bash: line 1: gunicorn: command not found(exit 127).render.yaml's start command usesgunicorn, but the build installsservices/ml_api/requirements.txt, which didn't include it (the oldrequirements_api.txtthat had gunicorn was removed in #10).Fix
gunicorntoservices/ml_api/requirements.txt.scikit-learn==1.7.2to match the versionoutput/modelswas pickled with (removes theInconsistentVersionWarning).Verification (local, exact Render start command)
gunicorn services.ml_api.main:app -k uvicorn.workers.UvicornWorker --bind 0.0.0.0:$PORTboots cleanly;GET /health→{"status":"ok","models_loaded":true};POST /analyzereturns predictions. Model loads with no version warning under 1.7.2.🤖 Generated with Claude Code