Spaces:
Sleeping
Sleeping
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# BankBot AI — Hugging Face Spaces Dockerfile
#
# Single-container deployment:
# Port 7860 (HF requirement) → Nginx
# Nginx → Next.js (port 3000) for frontend
# Nginx → FastAPI (port 8000) for /api/* and /ws
#
# Build args:
# NEXT_PUBLIC_API_URL (default: relative /api proxy)
# ============================================================
# ─── Stage 1: Build Next.js frontend ─────────────────────────────────────────
FROM node:20-slim AS frontend-builder
WORKDIR /frontend
COPY frontend/package.json frontend/package-lock.json* ./
RUN npm install --legacy-peer-deps --quiet
# Copy only the necessary frontend files (deterministic for HF build context)
COPY frontend/package.json frontend/package-lock.json* ./
COPY frontend/next.config.mjs ./
COPY frontend/tsconfig.json ./
COPY frontend/postcss.config.mjs ./
COPY frontend/tailwind.config.ts ./
COPY frontend/components.json ./
COPY frontend/src ./src
# Create public dir if it doesn't exist (Next.js requires it for standalone output)
RUN mkdir -p public
# Verify app layout exists (better failure message in CI/HF logs)
RUN if [ ! -d "src/app" ]; then \
echo "ERROR: no 'src/app' directory found in frontend - Next.js requires an app directory"; \
ls -la /frontend || true; \
ls -la /frontend/src || true; \
exit 1; \
fi
# In HF, frontend calls go through the same origin via Nginx proxy
# So NEXT_PUBLIC_API_URL is empty — rewrites handle /api/* internally
ARG NEXT_PUBLIC_API_URL=""
ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL
ENV NEXT_TELEMETRY_DISABLED=1
# Increase Node heap for Next.js builds to avoid OOM in constrained builders
ENV NODE_OPTIONS="--max-old-space-size=4096"
RUN npm run build
# ─── Stage 2: Python dependencies ────────────────────────────────────────────
FROM python:3.11-slim AS python-builder
WORKDIR /build
RUN apt-get update && apt-get install -y --no-install-recommends \
build-essential \
libpq-dev \
&& rm -rf /var/lib/apt/lists/*
COPY backend/requirements.txt .
RUN pip install --no-cache-dir --prefix=/install -r requirements.txt
# ─── Stage 3: Final runtime image ────────────────────────────────────────────
FROM python:3.11-slim AS runtime
# Install Node.js, Nginx, supervisord, curl
RUN apt-get update && apt-get install -y --no-install-recommends \
nginx \
supervisor \
curl \
libpq5 \
ca-certificates \
tesseract-ocr \
tesseract-ocr-eng \
xz-utils \
&& curl -fsSL https://nodejs.org/dist/v20.11.0/node-v20.11.0-linux-x64.tar.xz | tar -xJ --strip-components=1 -C /usr/local \
&& rm -rf /var/lib/apt/lists/*
ENV TESSDATA_PREFIX=/usr/share/tesseract-ocr/5/tessdata
# ── Python packages ───────────────────────────────────────────────────────────
COPY --from=python-builder /install /usr/local
# ── Backend ───────────────────────────────────────────────────────────────────
WORKDIR /app/backend
COPY backend/app/ ./app/
COPY backend/requirements.txt .
# ── Frontend (standalone build) ───────────────────────────────────────────────
WORKDIR /app/frontend
COPY --from=frontend-builder /frontend/.next/standalone ./
COPY --from=frontend-builder /frontend/.next/static ./.next/static
COPY --from=frontend-builder /frontend/public ./public
# ── Nginx config ──────────────────────────────────────────────────────────────
COPY hf/nginx.conf /etc/nginx/nginx.conf
# ── Supervisord config ────────────────────────────────────────────────────────
COPY hf/supervisord.conf /etc/supervisor/conf.d/bankbot.conf
# ── Startup script ────────────────────────────────────────────────────────────
COPY hf/start.sh /app/start.sh
RUN chmod +x /app/start.sh
# ── Writable dirs for non-root (HF runs as user 1000) ────────────────────────
RUN mkdir -p /app/data /var/log/supervisor /var/log/nginx /var/lib/nginx/body \
&& chmod -R 777 /app/data /var/log/supervisor /var/log/nginx \
&& chmod -R 777 /var/lib/nginx \
&& touch /run/nginx.pid && chmod 777 /run/nginx.pid \
&& chown -R 1000:1000 /app /var/log/supervisor /var/log/nginx /var/lib/nginx
# HF Spaces requires port 7860
EXPOSE 7860
# Health check
HEALTHCHECK --interval=30s --timeout=15s --start-period=60s --retries=5 \
CMD curl -f http://localhost:7860/health || exit 1
# Run as user 1000 (HF default)
USER 1000
WORKDIR /app
CMD ["/app/start.sh"]
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