Test

docker/Dockerfile

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+# Use Node.js 20 as base image
+FROM node:20-alpine
+
+# Set working directory
+WORKDIR /app
+
+# Install system dependencies
+RUN apk add --no-cache git
+
+# Copy package files
+COPY package*.json ./
+COPY tournament-frontend/package*.json ./tournament-frontend/
+
+# Install dependencies
+RUN npm ci
+RUN cd tournament-frontend && npm ci
+
+# Copy application code
+COPY . .
+
+# Build the frontend
+RUN cd tournament-frontend && npm run build
+
+# Copy built frontend to backend public directory
+RUN mkdir -p public && cp -r tournament-frontend/build/* public/
+
+# Create non-root user
+RUN addgroup -g 1001 -S nodejs
+RUN adduser -S nodejs -u 1001
+
+# Change ownership of the app directory
+RUN chown -R nodejs:nodejs /app
+USER nodejs
+
+# Expose port
+EXPOSE 4000
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
+  CMD node -e "require('http').get('http://localhost:4000/', (res) => { process.exit(res.statusCode === 200 ? 0 : 1) })"
+
+# Start the application
+CMD ["node", "index.js"]