updated docker file to support node 18

buy-now/Dockerfile

@@ -1,5 +1,5 @@
 # Install dependencies only when needed
-FROM node:16-alpine AS deps
+FROM node:18-alpine AS deps
 # Check https://github.com/nodejs/docker-node/tree/b4117f9333da4138b03a546ec926ef50a31506c3#nodealpine to understand why libc6-compat might be needed.
 RUN apk add --no-cache libc6-compat
 WORKDIR /app
@@ -10,7 +10,7 @@ RUN npm i  --legacy-peer-deps
 
 
 # Rebuild the source code only when needed
-FROM node:16-alpine AS builder
+FROM node:18-alpine AS builder
 ENV GENERATE_SOURCEMAP false
 
 WORKDIR /app
@@ -34,7 +34,7 @@ RUN npm run build
 # RUN npm run build
 
 # Production image, copy all the files and run next
-FROM node:16-alpine AS runner
+FROM node:18-alpine AS runner
 WORKDIR /app
 
 ENV NODE_ENV production