Dockerfile

# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package.json pnpm-lock.yaml* package-lock.json* yarn.lock* ./

# Install dependencies
# pnpm이 있으면 pnpm 사용, 없으면 npm 사용
RUN if [ -f pnpm-lock.yaml ]; then \
      npm install -g pnpm && \
      pnpm install --frozen-lockfile; \
    elif [ -f yarn.lock ]; then \
      npm install -g yarn && \
      yarn install --frozen-lockfile; \
    else \
      npm ci; \
    fi

# Copy source code
COPY . .

# Build application
RUN if [ -f pnpm-lock.yaml ]; then \
      pnpm run build; \
    elif [ -f yarn.lock ]; then \
      yarn build; \
    else \
      npm run build; \
    fi

# Production stage
FROM node:20-alpine

WORKDIR /app

# Copy package files
COPY package.json pnpm-lock.yaml* package-lock.json* yarn.lock* ./

# Install production dependencies only
RUN if [ -f pnpm-lock.yaml ]; then \
      npm install -g pnpm && \
      pnpm install --prod --frozen-lockfile; \
    elif [ -f yarn.lock ]; then \
      npm install -g yarn && \
      yarn install --prod --frozen-lockfile; \
    else \
      npm ci --only=production; \
    fi

# Copy built application from builder
COPY --from=builder /app/dist ./dist

# Expose port
EXPOSE 3000

# Start application
CMD ["node", "dist/main.js"]