Dockerfile

# Use Node.js 18 Alpine as base image
FROM node:18-alpine AS base

# Install dependencies only when needed
FROM base AS deps
# Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
RUN apk add --no-cache libc6-compat
WORKDIR /app

# Install dependencies based on the preferred package manager
COPY package.json package-lock.json* ./
RUN npm ci --omit=dev

# Rebuild the source code only when needed
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .

# Generate Prisma client
RUN npx prisma generate

# Build Next.js application
RUN npm run build

# Production image, copy all the files and run next
FROM base AS runner
WORKDIR /app

ENV NODE_ENV production

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/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/prisma ./prisma
COPY --from=builder /app/server.js ./server.js

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

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

USER nextjs

EXPOSE 3000
EXPOSE 3001

ENV PORT 3000
ENV HOSTNAME "0.0.0.0"

# Run the application
CMD ["node", "server.js"]