Dockerfile

# syntax=docker/dockerfile:1

# ==================== Base Stage ====================
FROM node:20-alpine AS base

# Install dependencies needed for Prisma
RUN apk add --no-cache libc6-compat openssl

WORKDIR /app

# ==================== Dependencies Stage ====================
FROM base AS deps

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

# Install dependencies
RUN npm ci

# ==================== Builder Stage ====================
FROM base AS builder

WORKDIR /app

COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Environment variables for build
ENV NEXT_TELEMETRY_DISABLED=1
ENV SKIP_ENV_VALIDATION=1

# Generate Prisma client
RUN npx prisma generate

# Build the application
RUN npm run build

# ==================== Runner Stage ====================
FROM base 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/prisma ./prisma
COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static

# Create uploads directory
RUN mkdir -p /app/uploads && chown nextjs:nodejs /app/uploads

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"]