Dockerfile

# syntax=docker/dockerfile:1

FROM node:22-alpine AS web-deps
WORKDIR /app

COPY package*.json ./
RUN npm ci

FROM web-deps AS web-build
WORKDIR /app

COPY index.html vite.config.ts tsconfig.json ./
COPY src ./src
RUN npm run build

FROM python:3.12-slim AS runtime
WORKDIR /app

ENV PYTHONUNBUFFERED=1 \
    DDDS_STATIC_DIR=/app/static \
    DDDS_MODEL_PATH=/app/backend/models/drone_detector_model_v2.pkl \
    DDDS_SAMPLES_DIR=/app/backend/samples

RUN apt-get update \
  && apt-get install -y --no-install-recommends libsndfile1 \
  && rm -rf /var/lib/apt/lists/*

COPY backend/requirements.txt /tmp/requirements.txt
RUN pip install --no-cache-dir -r /tmp/requirements.txt

COPY backend ./backend
COPY --from=web-build /app/dist ./static

EXPOSE 8000

HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
  CMD python -c "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/api/health', timeout=3)" || exit 1

CMD ["uvicorn", "backend.app.main:app", "--host", "0.0.0.0", "--port", "8000"]