# Analytics Service Dockerfile
# Multi-stage build for NestJS application

# =============================================================================
# BUILD STAGE
# =============================================================================
FROM node:22-alpine AS builder

WORKDIR /app

# Install pnpm
RUN corepack enable && corepack prepare pnpm@latest --activate

# Copy package files
COPY package.json pnpm-lock.yaml* ./

# Install dependencies
RUN pnpm install --frozen-lockfile

# Copy source
COPY . .

# Build
RUN pnpm build

# Prune dev dependencies
RUN pnpm prune --prod

# =============================================================================
# PRODUCTION STAGE
# =============================================================================
FROM node:22-alpine AS production

WORKDIR /app

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

# Copy built application
COPY --from=builder --chown=nestjs:nodejs /app/dist ./dist
COPY --from=builder --chown=nestjs:nodejs /app/node_modules ./node_modules
COPY --from=builder --chown=nestjs:nodejs /app/package.json ./

# Set user
USER nestjs

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=10s --retries=3 \
    CMD wget --no-verbose --tries=1 --spider http://localhost:3000/health || exit 1

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