feat: Add Docker support with production and development configurations for backend and frontend

client/Dockerfile.dev

@@ -0,0 +1,19 @@
+# Development Dockerfile with hot reload
+FROM node:18-alpine
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy source code
+COPY . .
+
+# Expose Vite dev server port
+EXPOSE 3000
+
+# Start Vite dev server
+CMD ["npm", "run", "dev", "--", "--host", "0.0.0.0"]