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Fix: Run container as non-root user to mitigate RCE vulnerability #19

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Fix: Run container as non-root user to mitigate RCE vulnerability #19

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3800092
Initial plan
Copilot Nov 7, 2025
4c121d0
Add non-root user to Dockerfile for security
Copilot Nov 7, 2025
114fd98
Improve Dockerfile security: create dedicated group and fix ownership…
Copilot Nov 7, 2025
c383e54
Fix contradictory adduser flags in Dockerfile
Copilot Nov 7, 2025
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10 changes: 10 additions & 0 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,6 +1,11 @@
FROM python:3.10
EXPOSE 8501
WORKDIR /app

# Create a non-root user with dedicated group
RUN addgroup --system appuser && \
adduser --system --no-create-home --ingroup appuser appuser

# COPY requirements.txt ./requirements.txt
# RUN pip3 install -r requirements.txt

Expand All @@ -13,5 +18,10 @@ RUN pip install poetry==1.5.0 && \

COPY . .

# Change ownership of application files to non-root user
RUN chown -R appuser:appuser /app

USER appuser

ENTRYPOINT ["streamlit"]
CMD ["run", "myapp.py"]