Initial commit: Project foundation

- Backend: Go API server with Gin framework
- Frontend: React setup (placeholder)
- ML Service: Python FastAPI skeleton
- Docker Compose: Full stack configuration
- Database: PostgreSQL schema with migrations
- Documentation: Implementation plan and README

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

frontend/Dockerfile

@@ -0,0 +1,34 @@
+# Build stage
+FROM node:18-alpine AS builder
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci
+
+# Copy source code
+COPY . .
+
+# Build argument for API URL
+ARG VITE_API_BASE_URL
+ENV VITE_API_BASE_URL=$VITE_API_BASE_URL
+
+# Build the application
+RUN npm run build
+
+# Production stage
+FROM nginx:alpine
+
+# Copy built assets from builder
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# Copy nginx configuration
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# Expose port
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]