kerf-engine/docker/Dockerfile.engine
jlightner 2d8efb15dd feat: Created multi-stage Dockerfile.engine with healthcheck endpoint;…
- "docker/Dockerfile.engine"
- "engine/api/routes.py"
- ".dockerignore"

GSD-Task: S03/T02
2026-03-26 04:49:38 +00:00

61 lines
1.8 KiB
Text

# ── Kerf Engine — multi-stage Docker build ──
# Standalone raster-to-vector conversion API (no App dependencies)
# ── Stage 1: Build dependencies ──
FROM python:3.11-slim AS builder
RUN apt-get update && apt-get install -y --no-install-recommends \
build-essential \
pkg-config \
libagg-dev \
libpotrace-dev \
libpotrace0 \
&& rm -rf /var/lib/apt/lists/*
WORKDIR /build
# Install Python deps into a virtual-env we can copy later
RUN python -m venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"
COPY engine/pyproject.toml .
RUN pip install --no-cache-dir . 2>/dev/null || true
# The above may fail because package source isn't present yet — install deps directly
RUN pip install --no-cache-dir \
"fastapi>=0.110" \
"uvicorn[standard]>=0.29" \
"opencv-python-headless>=4.9" \
"pypotrace>=0.3" \
"vtracer>=0.6" \
"python-multipart>=0.0.9" \
"Pillow>=10.2" \
"ezdxf>=1.0"
# ── Stage 2: Runtime image ──
FROM python:3.11-slim AS runtime
# Runtime-only system libs for pypotrace
RUN apt-get update && apt-get install -y --no-install-recommends \
libpotrace0 \
libagg2 \
curl \
&& rm -rf /var/lib/apt/lists/*
# Copy the virtual-env from the builder
COPY --from=builder /opt/venv /opt/venv
ENV PATH="/opt/venv/bin:$PATH"
# Copy engine source only — no App code
WORKDIR /app
COPY engine/main.py .
COPY engine/api/ ./api/
COPY engine/pipeline/ ./pipeline/
COPY engine/output/ ./output/
COPY engine/presets/ ./presets/
EXPOSE 8000
HEALTHCHECK --interval=15s --timeout=5s --start-period=10s --retries=3 \
CMD curl -sf http://localhost:8000/engine/health || exit 1
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]