Node v14 as repo default

Dockerfile.prod

@@ -1,4 +1,4 @@
-FROM node:12-alpine as builder
+FROM node:14-alpine as builder
 
 COPY package.json package-lock.json ./
 RUN npm install
@@ -6,7 +6,7 @@ RUN npm install
 COPY . ./
 RUN npm run build
 
-FROM node:12-alpine as server
+FROM node:14-alpine as server
 WORKDIR /www
 COPY package.json package-lock.json next.config.js ./
 RUN npm ci --only=production