Dockerfile

# TaskFlow Professional Development Template - Dockerfile
# Multi-stage build for production deployment

# Stage 1: Dependencies
FROM node:18-alpine AS deps
RUN apk add --no-cache libc6-compat openssl
WORKDIR /app

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

# Install dependencies (including dev deps needed for build)
RUN npm ci && npm cache clean --force

# Stage 2: Builder
FROM node:18-alpine AS builder
WORKDIR /app

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

# Set build environment
ENV NEXT_TELEMETRY_DISABLED 1
ENV NODE_ENV production

# Generate Prisma client
RUN npx prisma generate

# Build application
RUN npm run build

# Stage 3: Runner
FROM node:18-alpine AS runner
WORKDIR /app

ENV NODE_ENV production
ENV NEXT_TELEMETRY_DISABLED 1

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

# Copy built application
COPY --from=builder /app/public ./public
COPY --from=builder /app/package.json ./package.json
COPY --from=builder /app/prisma ./prisma

# Copy built Next.js application
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# Create database directory and set permissions
RUN mkdir -p /app/data && chown nextjs:nodejs /app/data

USER nextjs

EXPOSE 3000

ENV PORT 3000
ENV HOSTNAME "0.0.0.0"

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD wget --no-verbose --tries=1 --spider http://localhost:3000/api/health || exit 1

CMD ["node", "server.js"]