Wrote a rudamentry Dockerfile

Dockerfile

@@ -0,0 +1,10 @@
+FROM node:16-buster-slim AS base
+WORKDIR /app
+FROM base AS builder
+COPY . .
+RUN apt-get update && \
+    apt-get install -y chromium traceroute && \
+    rm -rf /var/lib/apt/lists/*
+RUN npm install --force
+EXPOSE 8888
+CMD ["npm", "start"]

package.json

@@ -16,7 +16,7 @@
   },
   "scripts": {
     "dev": "netlify dev",
-    "start": "react-scripts start",
+    "start": "netlify serve --offline",
     "build": "react-scripts build",
     "test": "react-scripts test",
     "eject": "react-scripts eject"