Deploy Next.js ke Docker

Containerisasi membuat deployment lebih konsisten dan reproducible di semua environment.

Dockerfile yang Optimal

FROM node:20-alpine AS base

# Install dependencies
FROM base AS deps
WORKDIR /app
COPY package*.json ./
RUN npm ci --only=production

# Build
FROM base AS builder
WORKDIR /app
COPY --from=deps /app/node_modules ./node_modules
COPY . .
RUN npm run build

# Runner
FROM base AS runner
WORKDIR /app
ENV NODE_ENV production

COPY --from=builder /app/.next/standalone ./
COPY --from=builder /app/.next/static ./.next/static
COPY --from=builder /app/public ./public

EXPOSE 3000
CMD ["node", "server.js"]

Docker Compose

services:
  app:
    build: .
    ports:
      - "3000:3000"
    environment:
      - DATABASE_URL=postgresql://...
    restart: unless-stopped

Kesimpulan

Docker membuat Next.js deployment lebih mudah dan konsisten. Mulai containerize aplikasimu hari ini!