# =============================================================================
# MiChangarrito - WhatsApp Service Dockerfile
# =============================================================================
# Multi-stage build for NestJS WhatsApp integration
# Puerto: 3143
# =============================================================================

# Build stage
FROM node:20-alpine AS builder

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci

# Copy source code
COPY . .

# Build application
RUN npm run build

# Production stage
FROM node:20-alpine AS production

# Labels
LABEL maintainer="ISEM"
LABEL description="MiChangarrito WhatsApp Service"
LABEL version="1.0.0"

WORKDIR /app

# Copy package files
COPY package*.json ./

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

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

# Create non-root user
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nestjs -u 1001 -G nodejs && \
    chown -R nestjs:nodejs /app

USER nestjs

# Environment
ENV NODE_ENV=production
ENV PORT=3143

# Expose port
EXPOSE 3143

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=30s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:3143/health || exit 1

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

# Development stage
FROM node:20-alpine AS development

WORKDIR /app

# Copy package files
COPY package*.json ./

# Install all dependencies
RUN npm ci

# Copy source code
COPY . .

# Environment
ENV NODE_ENV=development
ENV PORT=3143

# Expose port
EXPOSE 3143

# Start in development mode
CMD ["npm", "run", "start:dev"]