Dockerfile.performance

# Multi-stage Dockerfile with performance optimizations for RepoRadar

# Build stage
FROM node:18-alpine AS builder

# Set working directory
WORKDIR /app

# Install build dependencies
RUN apk add --no-cache python3 make g++

# Copy package files
COPY package*.json ./
COPY tsconfig.json ./
COPY vite.config.ts ./
COPY tailwind.config.ts ./
COPY postcss.config.js ./

# Install dependencies with performance optimizations
RUN npm ci --only=production --silent && \
    npm cache clean --force

# Copy source code
COPY client/ ./client/
COPY server/ ./server/
COPY shared/ ./shared/
COPY config/ ./config/

# Set build environment variables for performance
ENV NODE_ENV=production
ENV VITE_BUILD_ANALYZE=false
ENV VITE_MINIFY=true
ENV VITE_SOURCEMAP=false
ENV FRONTEND_TREE_SHAKING_ENABLED=true
ENV COMPRESSION_ENABLED=true
ENV CACHE_ENABLED=true

# Build application with optimizations
RUN npm run build

# Production stage
FROM node:18-alpine AS production

# Install dumb-init for proper signal handling
RUN apk add --no-cache dumb-init

# Create app user for security
RUN addgroup -g 1001 -S nodejs && \
    adduser -S reporadar -u 1001

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./

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

# Copy built application from builder stage
COPY --from=builder --chown=reporadar:nodejs /app/dist ./dist
COPY --from=builder --chown=reporadar:nodejs /app/config ./config

# Copy database migration files
COPY --chown=reporadar:nodejs shared/ ./shared/
COPY --chown=reporadar:nodejs drizzle.config.ts ./

# Create directories for performance monitoring
RUN mkdir -p logs/performance data/metrics && \
    chown -R reporadar:nodejs logs data

# Set performance environment variables
ENV NODE_ENV=production
ENV NODE_OPTIONS="--max-old-space-size=2048"

# Database performance settings
ENV DB_POOL_MIN=2
ENV DB_POOL_MAX=20
ENV DB_QUERY_MONITORING_ENABLED=true
ENV DB_AUTO_CREATE_INDEXES=true

# Cache settings
ENV CACHE_ENABLED=true
ENV CACHE_TYPE=memory
ENV CACHE_MEMORY_MAX_SIZE=256
ENV CACHE_COMPRESSION_ENABLED=true

# Compression settings
ENV COMPRESSION_ENABLED=true
ENV COMPRESSION_LEVEL=6
ENV COMPRESSION_ALGORITHMS=gzip,brotli

# GitHub API optimization
ENV GITHUB_OPTIMIZATION_ENABLED=true
ENV GITHUB_CACHING_ENABLED=true
ENV GITHUB_BATCH_SIZE=10

# Frontend optimizations
ENV FRONTEND_CODE_SPLITTING_ENABLED=true
ENV FRONTEND_LAZY_LOADING_ENABLED=true
ENV FRONTEND_SERVICE_WORKER_ENABLED=true

# Monitoring settings
ENV PERFORMANCE_MONITORING_ENABLED=true
ENV PERFORMANCE_ALERTING_ENABLED=true
ENV METRICS_RETENTION_DAYS=30

# Fallback settings
ENV DB_CONNECTION_POOL_FALLBACK_ENABLED=true
ENV CACHE_FALLBACK_TO_DIRECT_RETRIEVAL=true
ENV FRONTEND_SYNCHRONOUS_FALLBACK_ENABLED=true

# Switch to non-root user
USER reporadar

# Expose port
EXPOSE 3000

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
    CMD node -e "require('http').get('http://localhost:3000/health', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) }).on('error', () => process.exit(1))"

# Use dumb-init to handle signals properly
ENTRYPOINT ["dumb-init", "--"]

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