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| 1 | +# Stage 1: Builder stage |
| 2 | +FROM python:3.13-slim AS builder |
| 3 | + |
| 4 | +WORKDIR /app |
| 5 | + |
| 6 | +RUN apt-get update && apt-get install -y \ |
| 7 | + gcc \ |
| 8 | + g++ \ |
| 9 | + git \ |
| 10 | + curl \ |
| 11 | + libhdf5-dev \ |
| 12 | + libnetcdf-dev \ |
| 13 | + && rm -rf /var/lib/apt/lists/* |
| 14 | + |
| 15 | +ADD https://astral.sh/uv/install.sh /uv-installer.sh |
| 16 | +RUN sh /uv-installer.sh && rm /uv-installer.sh |
| 17 | + |
| 18 | +ENV PATH="/root/.local/bin:$PATH" |
| 19 | + |
| 20 | +COPY pyproject.toml uv.lock MANIFEST.in ./ |
| 21 | +COPY src/ src/ |
| 22 | + |
| 23 | +# Sync dependencies with uv |
| 24 | +RUN uv sync --frozen --extra full --no-dev |
| 25 | + |
| 26 | +# Stage 2: Runtime stage (pypsa-app backend) |
| 27 | +FROM python:3.13-slim AS backend |
| 28 | + |
| 29 | +WORKDIR /app |
| 30 | + |
| 31 | +# Install minimal runtime libraries |
| 32 | +RUN apt-get update && apt-get install -y \ |
| 33 | + libhdf5-310 \ |
| 34 | + libnetcdf22 \ |
| 35 | + && rm -rf /var/lib/apt/lists/* |
| 36 | + |
| 37 | +# Copy from builder stage |
| 38 | +COPY --from=builder /root/.local/bin/uv /usr/local/bin/uv |
| 39 | +COPY --from=builder /app/.venv /app/.venv |
| 40 | +COPY --from=builder /app/src /app/src |
| 41 | + |
| 42 | +COPY pyproject.toml uv.lock MANIFEST.in ./ |
| 43 | + |
| 44 | +# Create non-root user for running the application |
| 45 | +RUN groupadd -r appuser -g 1000 && \ |
| 46 | + useradd -r -u 1000 -g appuser -m -s /bin/bash appuser |
| 47 | + |
| 48 | +RUN mkdir -p /data/networks && \ |
| 49 | + chown -R appuser:appuser /app /data |
| 50 | + |
| 51 | +USER appuser |
| 52 | + |
| 53 | +ENV DATA_DIR=/data |
| 54 | +ENV PATH="/app/.venv/bin:$PATH" |
| 55 | + |
| 56 | +EXPOSE 8000 |
| 57 | + |
| 58 | +CMD ["pypsa-app", "serve"] |
| 59 | + |
| 60 | + |
| 61 | +# Stage 3: Build Svelte frontend (main app) |
| 62 | +FROM node:22-alpine AS app-builder |
| 63 | + |
| 64 | +WORKDIR /frontend |
| 65 | + |
| 66 | +# Use Docker-compatible build paths |
| 67 | +ENV DOCKER_BUILD=true |
| 68 | +ENV DATA_DIR=/data |
| 69 | + |
| 70 | +COPY frontend/app/package*.json ./ |
| 71 | +COPY frontend/app/ ./ |
| 72 | + |
| 73 | +RUN npm ci && \ |
| 74 | + npm run build && \ |
| 75 | + npm cache clean --force |
| 76 | + |
| 77 | + |
| 78 | +# Stage 4: Build map page with Kepler.gl and React (/network/map) |
| 79 | +FROM node:22-alpine AS map-builder |
| 80 | + |
| 81 | +WORKDIR /map |
| 82 | + |
| 83 | +# Use Docker-compatible build paths |
| 84 | +ENV DOCKER_BUILD=true |
| 85 | +ENV DATA_DIR=/data |
| 86 | + |
| 87 | +COPY frontend/map/package*.json ./ |
| 88 | +COPY frontend/map/ ./ |
| 89 | + |
| 90 | +RUN npm ci && \ |
| 91 | + npm run build && \ |
| 92 | + npm cache clean --force |
| 93 | + |
| 94 | + |
| 95 | +# Stage 5: Full stack (adds built frontends to backend base) |
| 96 | +FROM backend AS full |
| 97 | + |
| 98 | +COPY --from=app-builder /frontend/build/ src/pypsa_app/backend/static/app/ |
| 99 | +COPY --from=map-builder /map/dist/ src/pypsa_app/backend/static/map/ |
| 100 | + |
| 101 | +# Copy package.json files for version detection |
| 102 | +COPY --from=app-builder /frontend/package.json frontend/app/package.json |
| 103 | +COPY --from=map-builder /map/package.json frontend/map/package.json |
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