# Production Dockerfile for MotoVaultPro Backend

# Stage 1: Build stage
FROM node:20-alpine AS builder

# Install build dependencies
RUN apk add --no-cache dumb-init git

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install all dependencies (including dev for building)
RUN npm install && npm cache clean --force

# Copy source code
COPY . .

# Build the application
RUN npm run build:docker

# Stage 2: Production runtime
FROM node:20-alpine AS production

# Install runtime dependencies only
RUN apk add --no-cache dumb-init

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

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

# Create non-root user
RUN addgroup -g 1001 -S nodejs && \
    adduser -S nodejs -u 1001

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

# Change ownership to non-root user
RUN chown -R nodejs:nodejs /app

# Switch to non-root user
USER nodejs

# Expose port
EXPOSE 3001

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node -e "require('http').get('http://localhost:3001/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) }).on('error', () => process.exit(1))"

# Use dumb-init for proper signal handling
ENTRYPOINT ["dumb-init", "--"]

# Run production application
CMD ["npm", "start"]