# Build stage
FROM node:20-alpine AS builder

# Install pnpm
RUN npm install -g pnpm@9.15.0

WORKDIR /app

# Copy package files for telegram-stats-bot only (standalone build)
COPY services/telegram-stats-bot/package.json ./

# Install all dependencies (including devDependencies for build)
RUN pnpm install

# Copy source code
COPY services/telegram-stats-bot/src ./src
COPY services/telegram-stats-bot/tsconfig*.json ./
COPY services/telegram-stats-bot/nest-cli.json ./

# Build the application
RUN pnpm build

# Production stage
FROM node:20-alpine AS production

# Install pnpm
RUN npm install -g pnpm@9.15.0

WORKDIR /app

# Copy package files
COPY --from=builder /app/package.json ./

# Install production dependencies only
RUN pnpm install --prod

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

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

# Change ownership
RUN chown -R nestjs:nodejs /app

# Switch to non-root user
USER nestjs

# Expose port
EXPOSE 3300

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
  CMD node -e "require('http').get('http://localhost:3300/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

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