Dockerfile

# syntax=docker/dockerfile:1

# ---------------------------------------------------------------------------
# Stage 1: build the React/Vite frontend into static assets.
# ---------------------------------------------------------------------------
FROM node:20-slim AS frontend
WORKDIR /frontend

# Install deps first for better layer caching.
COPY frontend/package.json frontend/package-lock.json ./
RUN npm ci

COPY frontend/ ./
RUN npm run build
# Produces /frontend/dist

# ---------------------------------------------------------------------------
# Stage 2: Python runtime that serves both the static frontend and the API.
# SPISEA itself is NOT installed here; its source tree is bind-mounted from
# CFS at runtime and added to PYTHONPATH by docker-entrypoint.sh.
# ---------------------------------------------------------------------------
FROM python:3.11-slim AS runtime

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=1 \
    SPISEA_WEB_STATIC_DIR=/app/static \
    SPISEA_WEB_ISO_DIR=/cache/iso

# Build tools some scientific wheels (e.g. parts of the COSMIC stack) may need.
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        build-essential \
        gfortran \
        git \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Install Python dependencies first for caching.
COPY backend/requirements.txt backend/requirements-spisea.txt ./
RUN pip install --no-cache-dir -r requirements.txt -r requirements-spisea.txt

# Application code and built frontend.
COPY backend/app ./app
COPY --from=frontend /frontend/dist ./static
COPY docker-entrypoint.sh /usr/local/bin/docker-entrypoint.sh
RUN chmod +x /usr/local/bin/docker-entrypoint.sh

# SPIN runs the container as an arbitrary NERSC UID/GID (required for CFS
# mounts). Make the app tree group/world readable and the cache dir writable
# regardless of which UID the pod is assigned.
RUN mkdir -p /cache/iso \
    && chmod -R go=rX /app \
    && chmod -R 0777 /cache

EXPOSE 8000

ENTRYPOINT ["/usr/local/bin/docker-entrypoint.sh"]
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8000"]