Initial React Kanban app with Docker

Dockerfile

@@ -0,0 +1,14 @@
+FROM node:20-alpine AS build
+WORKDIR /app
+
+COPY package.json ./
+RUN npm install
+
+COPY . .
+RUN npm run build
+
+FROM nginx:1.27-alpine
+COPY --from=build /app/dist /usr/share/nginx/html
+
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]