Dockerfile

# Litewrite Next.js app Dockerfile
# Multi-stage build to reduce image size

# ============================================
# Stage 1: Install dependencies
# ============================================
FROM node:22-slim AS deps
WORKDIR /app

# Copy dependency files
COPY package.json package-lock.json ./
COPY prisma ./prisma/

# Install dependencies
RUN npm ci --legacy-peer-deps

# ============================================
# Stage 2: Build app
# ============================================
FROM node:22-slim AS builder
WORKDIR /app

# Copy dependencies
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Generate Prisma Client
RUN npx prisma generate

# Build Next.js app
ENV NEXT_TELEMETRY_DISABLED=1
RUN npm run build

# ============================================
# Stage 3: Production runtime
# ============================================
FROM node:22-slim AS runner
WORKDIR /app

ENV NODE_ENV=production
ENV NEXT_TELEMETRY_DISABLED=1

# Install OpenSSL (required by Prisma)
RUN apt-get update && apt-get install -y --no-install-recommends openssl && \
    rm -rf /var/lib/apt/lists/*

# Create non-root user
RUN addgroup --system --gid 1001 nodejs
RUN adduser --system --uid 1001 nextjs

# Copy required files
COPY --from=builder /app/public ./public
COPY --from=builder /app/prisma ./prisma
COPY --from=builder /app/messages ./messages

# Copy standalone output
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# Copy Prisma Client
COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
COPY --from=builder /app/node_modules/@prisma ./node_modules/@prisma

USER nextjs

EXPOSE 3000

ENV PORT=3000
ENV HOSTNAME="0.0.0.0"

# Start app
CMD ["node", "server.js"]