Dockerfile aktualisiert

Dockerfile

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+# Stage 1: Build the application
+FROM node:16 AS builder
+WORKDIR /app
+COPY package.json .
+RUN npm install
+COPY . .
+RUN npm run build
+
+# Stage 2: Run the application
+FROM nginx:alpine
+COPY --from=builder /app/build /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]