update docker files

Dockerfile

@@ -1,19 +1,28 @@
-FROM node:20-alpine AS builder
+# Use Node.js 20 Alpine as base image for smaller size
+FROM node:20-alpine
 
+# Set working directory
 WORKDIR /app
 
+# Install dependencies for node-gyp and other native modules
+RUN apk add --no-cache python3 make g++
+
+# Copy package files
 COPY package.json yarn.lock ./
-RUN corepack enable && yarn install --frozen-lockfile
 
+# Install dependencies
+RUN yarn install --frozen-lockfile
+
+# Copy source code
 COPY . .
-RUN yarn build
 
-FROM nginx:1.27-alpine
+# Expose port 3000 (default React dev server port)
+EXPOSE 3000
 
-RUN rm -rf /usr/share/nginx/html/*
-COPY --from=builder /app/dist /usr/share/nginx/html
-
-EXPOSE 80
-
-CMD ["nginx", "-g", "daemon off;"]
+# Set environment variables for development
+ENV NODE_ENV=development
+ENV CHOKIDAR_USEPOLLING=true
+ENV WATCHPACK_POLLING=true
 
+# Start the development server
+CMD ["yarn", "dev"]