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

server/Dockerfile.dev

@@ -0,0 +1,22 @@
+# Development Dockerfile with hot reload
+FROM node:18-alpine
+
+WORKDIR /app
+
+# Install nodemon for hot reload
+RUN npm install -g nodemon
+
+# Copy package files
+COPY package*.json ./
+
+# Install all dependencies (including dev)
+RUN npm install
+
+# Copy source code
+COPY . .
+
+# Expose ports
+EXPOSE 3001 3002
+
+# Start with nodemon for hot reload
+CMD ["nodemon", "server.js"]