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lcbp3/frontend/Dockerfile
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260228:1604 20260228:16:05 fix qnap nextjs build out-of-memory error
2026-02-28 16:04:32 +07:00

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Docker

# ============================================================
# LCBP3 Frontend — Next.js Production Dockerfile
# Multi-stage build: deps → build → production (standalone)
# Target: QNAP TS-473A (Container Station)
# ============================================================
# Build context: workspace root (nap-dms.lcbp3/)
# Usage: docker build -f frontend/Dockerfile -t lcbp3-frontend:latest .
# ============================================================
# =========================
# Stage 1: Install Dependencies
# =========================
FROM node:22-alpine AS deps
RUN corepack enable && corepack prepare pnpm@latest --activate
WORKDIR /app
# Copy workspace root manifests
COPY package.json pnpm-lock.yaml pnpm-workspace.yaml ./
COPY frontend/package.json ./frontend/
# Install frontend deps only
RUN pnpm install --frozen-lockfile --filter lcbp3-frontend...
# =========================
# Stage 2: Build Application
# =========================
FROM node:22-alpine AS build
RUN corepack enable && corepack prepare pnpm@latest --activate
WORKDIR /app
# Copy workspace structure
COPY package.json pnpm-lock.yaml pnpm-workspace.yaml ./
COPY --from=deps /app/node_modules ./node_modules
COPY --from=deps /app/frontend/node_modules ./frontend/node_modules
# Copy frontend source
COPY frontend/ ./frontend/
# NEXT_PUBLIC_* vars must be set at BUILD TIME (baked into client bundle)
ARG NEXT_PUBLIC_API_URL=https://backend.np-dms.work/api
ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}
# Prevent OOMs during build by limiting Node memory to 2GB and disabling telemetry
ENV NODE_OPTIONS="--max-old-space-size=2048"
ENV NEXT_TELEMETRY_DISABLED=1
# Build Next.js → frontend/.next/standalone
RUN cd frontend && pnpm run build
# =========================
# Stage 3: Production Runtime
# =========================
FROM node:22-alpine AS production
WORKDIR /app
ENV TZ=Asia/Bangkok
ENV NODE_ENV=production
ENV HOSTNAME=0.0.0.0
ENV PORT=3000
# Create non-root user
RUN addgroup -g 1001 -S nextjs && \
adduser -S nextjs -u 1001
# Install curl for healthcheck
RUN apk add --no-cache curl
# Copy standalone output from build
COPY --from=build --chown=nextjs:nextjs /app/frontend/.next/standalone ./
COPY --from=build --chown=nextjs:nextjs /app/frontend/.next/static ./frontend/.next/static
USER nextjs
EXPOSE 3000
HEALTHCHECK --interval=30s --timeout=10s --retries=3 --start-period=60s \
CMD curl -f http://localhost:3000/ || exit 1
CMD ["node", "frontend/server.js"]