Dockerfile 자동 생성기

이미지 용량과 보안이 최적화된 Multi-stage 빌드 Dockerfile을 자동으로 생성합니다.

프레임워크 / 언어

패키지 매니저

노출 포트 (EXPOSE)

Dockerfile

# --- Build Stage ---
FROM node:20-alpine AS builder
WORKDIR /app

# Install dependencies
COPY package.json package-lock.json ./
RUN npm ci

# Build application
COPY . .
RUN npm run build

# --- Production Stage ---
FROM node:20-alpine AS runner
WORKDIR /app

ENV NODE_ENV production

# Copy built assets and dependencies
COPY --from=builder /app/package.json ./
COPY --from=builder /app/package-lock.json ./
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app/dist ./dist 
# (Next.js의 경우 ./dist 대신 ./.next 와 ./public 을 복사하세요)

# Run as non-root user for security
RUN addgroup -g 1001 -S nodejs
RUN adduser -S nodejs -u 1001
USER nodejs

EXPOSE 3000
CMD ["npm", "start"]