Initial commit: add .gitignore and README

Dockerfile

@@ -0,0 +1,54 @@
+# Multi-stage build for production
+FROM node:18-alpine AS builder
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+COPY tsconfig.json ./
+
+# Install dependencies
+RUN npm ci
+
+# Copy source files
+COPY src ./src
+COPY .eslintrc.json ./
+COPY jest.config.js ./
+
+# Build TypeScript
+RUN npm run build
+
+# Production stage
+FROM node:18-alpine
+
+WORKDIR /app
+
+# Install production dependencies only
+COPY package*.json ./
+RUN npm ci --only=production
+
+# Copy built files from builder
+COPY --from=builder /app/dist ./dist
+
+# Create logs directory
+RUN mkdir -p logs
+
+# Create non-root user
+RUN addgroup -g 1001 -S nodejs && \
+    adduser -S nodejs -u 1001
+
+# Change ownership
+RUN chown -R nodejs:nodejs /app
+
+# Switch to non-root user
+USER nodejs
+
+# Expose port
+EXPOSE 3000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
+  CMD node -e "require('http').get('http://localhost:3000/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
+
+# Start application
+CMD ["node", "dist/app.js"]