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security: add non-root appuser to services/ml/Dockerfile

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Create system user appuser with useradd, set ownership of /app,
and switch to non-root user before CMD to reduce container attack surface.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Marko Djordjevic 2026-02-18 11:34:26 +01:00
parent 34e543ea96
commit 1438e474e8
2 changed files with 8 additions and 1 deletions
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2
openspec/changes/code-review-fix/tasks.md
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@ -53,7 +53,7 @@
## 6. Infrastructure & Docker
- [x] 6.1 `[sonnet]` Add `headers()` function to `next.config.js` with X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, Content-Security-Policy
- [ ] 6.2 `[sonnet]` Add `USER appuser` to `services/ml/Dockerfile`: create user with `useradd`, set ownership, add USER directive before CMD
- [x] 6.2 `[sonnet]` Add `USER appuser` to `services/ml/Dockerfile`: create user with `useradd`, set ownership, add USER directive before CMD
- [ ] 6.3 `[haiku]` Create `.dockerignore` with `.git`, `.env`, `.env*`, `node_modules`, `.next`, `data/`, `*.md`, `__pycache__/`, `mlruns/`, `models/`
- [ ] 6.4 `[haiku]` Change TA-Lib download URL to HTTPS in `services/ml/Dockerfile:10`
- [ ] 6.5 `[sonnet]` Add SHA256 checksum verification for TA-Lib download in `services/ml/Dockerfile`

7
services/ml/Dockerfile
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@ -32,5 +32,12 @@ COPY . .
# Expose port for FastAPI
EXPOSE 8001
# Create non-root user and set ownership
RUN useradd -r -s /bin/false appuser
RUN chown -R appuser:appuser /app
# Switch to non-root user
USER appuser
# Run the inference server by default
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8001"]