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# ═══════════════════════════════════════════════════════════════════════════════
# ClinicalMatch AI — HuggingFace Spaces Dockerfile
# Single container: Neo4j Community + FastAPI + Next.js + Nginx (supervisord)
# Exposed port: 7860 (HF Spaces default)
# Persistent storage: /data  (Neo4j data lives here — survives restarts)
# ═══════════════════════════════════════════════════════════════════════════════

# ── Stage 1: Build Next.js ────────────────────────────────────────────────────
FROM node:20-slim AS frontend-builder

WORKDIR /build/frontend

COPY frontend/package*.json ./
RUN npm install --legacy-peer-deps --prefer-offline

COPY frontend/ ./

# Build with empty API URL so all requests are relative (Nginx routes them)
ENV NEXT_PUBLIC_API_URL=""
RUN npm run build

# ── Stage 2: Final runtime image ──────────────────────────────────────────────
FROM ubuntu:22.04

ENV DEBIAN_FRONTEND=noninteractive
ENV LANG=C.UTF-8

# ── System dependencies ────────────────────────────────────────────────────────
RUN apt-get update && apt-get install -y --no-install-recommends \
    python3.11 python3-pip python3.11-venv \
    nginx supervisor \
    curl wget ca-certificates gnupg \
    && rm -rf /var/lib/apt/lists/*

# ── Node.js 20 ────────────────────────────────────────────────────────────────
RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash - \
    && apt-get install -y --no-install-recommends nodejs \
    && rm -rf /var/lib/apt/lists/*

# ── Neo4j 5.x Community + cypher-shell (official Debian repo) ─────────────────
RUN curl -fsSL https://debian.neo4j.com/neotechnology.gpg.key \
        | gpg --dearmor -o /usr/share/keyrings/neo4j.gpg \
    && echo "deb [signed-by=/usr/share/keyrings/neo4j.gpg] https://debian.neo4j.com stable 5" \
        > /etc/apt/sources.list.d/neo4j.list \
    && apt-get update \
    && apt-get install -y neo4j cypher-shell \
    && rm -rf /var/lib/apt/lists/*

ENV NEO4J_HOME=/var/lib/neo4j
ENV PATH="/usr/bin:${PATH}"

# ── Neo4j configuration (sed replaces existing keys, avoids duplicate errors) ──
RUN CFG=/etc/neo4j/neo4j.conf && \
    sed -i 's|^#*\s*server\.bolt\.listen_address=.*|server.bolt.listen_address=0.0.0.0:7687|' $CFG && \
    sed -i 's|^#*\s*server\.http\.listen_address=.*|server.http.listen_address=0.0.0.0:7474|' $CFG && \
    sed -i 's|^#*\s*server\.directories\.data=.*|server.directories.data=/data/neo4j/data|' $CFG && \
    sed -i 's|^#*\s*server\.directories\.logs=.*|server.directories.logs=/data/neo4j/logs|' $CFG && \
    sed -i 's|^#*\s*server\.memory\.heap\.initial_size=.*|server.memory.heap.initial_size=256m|' $CFG && \
    sed -i 's|^#*\s*server\.memory\.heap\.max_size=.*|server.memory.heap.max_size=512m|' $CFG && \
    sed -i 's|^#*\s*server\.memory\.pagecache\.size=.*|server.memory.pagecache.size=128m|' $CFG && \
    { \
      echo "db.transaction.timeout=60s"; \
      echo "dbms.logs.query.enabled=OFF"; \
      echo "dbms.security.procedures.unrestricted=apoc.*"; \
      echo "dbms.security.procedures.allowlist=apoc.*"; \
    } >> $CFG

# ── Python backend ────────────────────────────────────────────────────────────
WORKDIR /app/backend

COPY backend/requirements.txt .
RUN pip3 install --no-cache-dir -r requirements.txt

COPY backend/ .

# ── Next.js frontend (pre-built) ───────────────────────────────────────────────
WORKDIR /app/frontend

# Copy only what Next.js needs to run (not dev deps)
COPY --from=frontend-builder /build/frontend/.next/standalone ./
COPY --from=frontend-builder /build/frontend/.next/static ./.next/static
COPY --from=frontend-builder /build/frontend/public ./public

# ── Config files ───────────────────────────────────────────────────────────────
COPY docker/nginx.conf          /app/docker/nginx.conf
COPY docker/supervisord.conf    /app/docker/supervisord.conf
COPY docker/entrypoint.sh       /app/docker/entrypoint.sh
COPY docker/seed_on_startup.sh  /app/docker/seed_on_startup.sh

RUN chmod +x /app/docker/entrypoint.sh /app/docker/seed_on_startup.sh

# ── Nginx writable dirs (runs without root after init) ────────────────────────
RUN mkdir -p /tmp/nginx-cache /tmp/nginx-body /tmp/nginx-run \
    && chown -R www-data:www-data /var/log/nginx /var/lib/nginx 2>/dev/null || true

# ── Expose & environment ───────────────────────────────────────────────────────
EXPOSE 7860

# Neo4j — local Community instance (no Aura)
ENV NEO4J_URI=bolt://127.0.0.1:7687
ENV NEO4J_USERNAME=neo4j
ENV NEO4J_PASSWORD=clinicalmatch2024
ENV NEO4J_DATABASE=neo4j

# LLM — OpenAI-compatible (set real values via HF Spaces secrets)
ENV OPENAI_API_KEY=""
ENV OPENAI_BASE_URL=https://ai.aimlapi.com/v1
ENV OPENAI_MODEL=claude-opus-4-7

# Next.js standalone listens on 3000 internally; Nginx routes externally
ENV PORT=3000
ENV HOSTNAME=127.0.0.1

WORKDIR /app

ENTRYPOINT ["/app/docker/entrypoint.sh"]