FROM node:24-slim AS builder

WORKDIR /usr/src/app

# Copy dependency files first
COPY package*.json ./

# Install production dependencies only
RUN npm ci --only=production && npm cache clean --force

FROM node:24-slim

WORKDIR /usr/src/app

COPY --from=builder /usr/src/app/node_modules ./node_modules

# Copy application code
COPY . .

EXPOSE 3000

CMD ["npm", "start"]