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video-service/Dockerfile

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# Video Service - Bulletproof Production Dockerfile
# Security-hardened, multi-stage build
# =============================================================================
# Stage 1: Build dependencies
# =============================================================================
FROM python:3.13-slim-bookworm AS builder
WORKDIR /build
# Install build dependencies in separate layer for caching
COPY requirements.txt .
RUN pip install --no-cache-dir --user --no-warn-script-location -r requirements.txt
# =============================================================================
# Stage 2: Production image
# =============================================================================
FROM python:3.13-slim-bookworm
# OCI Labels (https://github.com/opencontainers/image-spec/blob/main/annotations.md)
LABEL org.opencontainers.image.title="Video Service"
LABEL org.opencontainers.image.description="Video transcoding service for Kurs-Booking"
LABEL org.opencontainers.image.vendor="webideas24"
LABEL org.opencontainers.image.version="1.0.0"
LABEL org.opencontainers.image.source="https://git.islandpferde-melanieworbs.de/webideas24/video-service"
# Security: Install tini for proper signal handling and zombie reaping
# Install runtime dependencies in single layer
RUN apt-get update && apt-get install -y --no-install-recommends \
tini \
ffmpeg \
curl \
ca-certificates \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
&& rm -rf /root/.cache
WORKDIR /app
# Copy Python packages from builder (before creating user to set ownership)
COPY --from=builder /root/.local /home/videouser/.local
# Security: Create non-root user with no shell, no home directory files
RUN groupadd -r -g 1000 videouser && \
useradd -r -u 1000 -g videouser -s /usr/sbin/nologin -d /home/videouser videouser && \
mkdir -p /app/storage/uploads /app/storage/converted && \
chown -R videouser:videouser /app /home/videouser
# Copy application with correct ownership
COPY --chown=videouser:videouser app/ ./app/
# Switch to non-root user
USER videouser
# Environment
ENV PATH=/home/videouser/.local/bin:$PATH \
PYTHONPATH=/app \
PYTHONUNBUFFERED=1 \
PYTHONDONTWRITEBYTECODE=1 \
PIP_NO_CACHE_DIR=1 \
PIP_DISABLE_PIP_VERSION_CHECK=1
# Security: Document exposed port
EXPOSE 8000
# Proper signal handling
STOPSIGNAL SIGTERM
# Health check with reasonable timeouts
HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
CMD curl -fsS http://localhost:8000/health || exit 1
# Use tini as init system, run uvicorn
ENTRYPOINT ["/usr/bin/tini", "--"]
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000", "--no-access-log"]