FROM node:18-alpine

# Instalar wget para healthcheck
RUN apk add --no-cache wget

WORKDIR /app

# Copiar archivos de dependencias
COPY package.json package-lock.json* ./

# Instalar dependencias
RUN npm ci --only=production

# Copiar código de la aplicación
COPY server.js .
COPY config/ ./config/
COPY middlewares/ ./middlewares/
COPY routes/ ./routes/
COPY services/ ./services/
COPY utils/ ./utils/

# Exponer puerto
EXPOSE 3001

# Healthcheck
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
  CMD wget --quiet --tries=1 --spider http://localhost:3001/api/health || exit 1

# Comando por defecto
CMD ["node", "server.js"]