# syntax=docker/dockerfile:1.6
FROM node:22-alpine

WORKDIR /app

# Copiamos solo manifests primero para cachear deps
COPY package*.json ./

# Instala deps (production). Cachea npm para builds siguientes.
RUN --mount=type=cache,target=/root/.npm \
    npm ci --omit=dev

# Copia el resto del código
COPY . .

ENV NODE_ENV=production
EXPOSE 3000

CMD ["npm","run","start"]