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Switch runtime image from Alpine to Debian slim #20

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Merged
Kaiohz merged 1 commit into from
May 6, 2026
Merged

Switch runtime image from Alpine to Debian slim #20

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10 changes: 5 additions & 5 deletions Dockerfile
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Original file line number Diff line number Diff line change
Expand Up @@ -10,13 +10,13 @@ COPY pyproject.toml uv.lock ./
# Install dependencies using uv
RUN uv sync --frozen --no-dev

# Stage 2: Runtime image (Alpine for smaller attack surface and fewer CVEs)
FROM python:3.11-alpine
# Stage 2: Runtime image (Debian slim to match builder libc and support compiled wheels)
FROM python:3.11-slim-bookworm

WORKDIR /app

# Upgrade system packages to fix CVEs
RUN apk update && apk upgrade && rm -rf /var/cache/apk/*
RUN apt-get update && apt-get upgrade -y && rm -rf /var/lib/apt/lists/*

# Copy virtual environment from builder
COPY --from=builder /app/.venv /app/.venv
Expand All @@ -29,8 +29,8 @@ ENV PYTHONPATH=/app
ENV PATH="/app/.venv/bin:$PATH"
ENV PYTHONUNBUFFERED=1

# Create non-root user for security (Alpine syntax)
RUN adduser -D -u 1000 appuser && chown -R appuser:appuser /app
# Create non-root user for security (Debian syntax)
RUN useradd -m -u 1000 appuser && chown -R appuser:appuser /app
USER appuser

EXPOSE 8000
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