Added Dockerfile

Dockerfile

@@ -0,0 +1,28 @@
+FROM node:21
+
+# Create app directory
+WORKDIR /app
+
+# Install app dependencies
+
+COPY package*.json ./
+
+RUN npm install
+
+# Bundle app source
+
+COPY . .
+
+# Build app source
+
+RUN npm run build
+
+# Set environment variables
+
+ENV PORT=80
+
+EXPOSE 80
+
+
+
+CMD [ "npm", "start" ]