initial project setup

frontend/Dockerfile.dev

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+FROM node:18-alpine
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm install
+
+# Copy source code
+COPY . .
+
+# Expose port
+EXPOSE 3000
+
+# Run in development mode with hot reload
+CMD ["npm", "start"]