Dockerfile

# Use official Node.js runtime as base image
FROM node:22-alpine AS builder

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

# Set working directory
WORKDIR /app

# Copy package files
COPY package*.json ./
COPY tsconfig.json ./

# Install all dependencies (including dev dependencies for build)
RUN npm ci --ignore-scripts

# Copy source code
COPY src/ ./src/

# Build TypeScript
RUN npm run build

# Production stage
FROM node:22-alpine AS production

# Create app user
RUN addgroup -g 1001 -S nodejs && \
    adduser -S appuser -u 1001

# Set working directory
WORKDIR /app

# Copy package files and install production dependencies
COPY package*.json ./
RUN npm ci --only=production --ignore-scripts && \
    npm cache clean --force

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

# Create necessary directories and set permissions
RUN mkdir -p logs data && \
    chown -R appuser:nodejs /app

# Change to app user
USER appuser

# Expose port (if needed later for health checks)
EXPOSE 3000

# Health check via HTTP endpoint
HEALTHCHECK --interval=30s --timeout=5s --start-period=60s --retries=3 \
  CMD wget -q -O- http://localhost:3000/health || exit 1

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