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4eefabb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | # syntax=docker/dockerfile:1.7
# ─────────────────────────────────────────────────────────────────
# Stage 1 — builder: install Python deps into a self-contained venv
# ─────────────────────────────────────────────────────────────────
FROM python:3.12-slim AS builder
ENV PYTHONDONTWRITEBYTECODE=1 \
PYTHONUNBUFFERED=1 \
PIP_NO_CACHE_DIR=1 \
PIP_DISABLE_PIP_VERSION_CHECK=1
WORKDIR /build
# Build deps for any C-extension wheels that need compilation
# (scikit-learn / numpy ship wheels for linux/amd64+arm64 so this is usually a no-op).
RUN apt-get update && apt-get install -y --no-install-recommends \
build-essential \
&& rm -rf /var/lib/apt/lists/*
COPY requirements.txt .
RUN python -m venv /opt/venv \
&& /opt/venv/bin/pip install --upgrade pip \
&& /opt/venv/bin/pip install -r requirements.txt
# ─────────────────────────────────────────────────────────────────
# Stage 2 — runtime: minimal image with only the venv + app code
# ─────────────────────────────────────────────────────────────────
FROM python:3.12-slim AS runtime
ENV PYTHONDONTWRITEBYTECODE=1 \
PYTHONUNBUFFERED=1 \
PATH="/opt/venv/bin:$PATH" \
MICROCLIMATEX_DB=/tmp/cache.sqlite3
# Non-root user for least-privilege execution.
RUN useradd --create-home --shell /bin/bash --uid 10001 mcx \
&& mkdir -p /app /data \
&& chown -R mcx:mcx /app /data
COPY --from=builder /opt/venv /opt/venv
WORKDIR /app
COPY --chown=mcx:mcx backend/ backend/
COPY --chown=mcx:mcx frontend/ frontend/
COPY --chown=mcx:mcx scripts/ scripts/
COPY --chown=mcx:mcx models/ models/
COPY --chown=mcx:mcx README.md LICENSE ./
USER mcx
EXPOSE 8000
VOLUME ["/data"]
# Container-aware health check — uses the same /api/health endpoint as humans.
HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
CMD python -c "import urllib.request, sys; \
sys.exit(0) if urllib.request.urlopen('http://localhost:8000/api/health', timeout=2).status == 200 else sys.exit(1)" || exit 1
CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "8000"]
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