Fix casing warning

WebDisplay/Dockerfile

@@ -1,5 +1,5 @@
 # build stage
-FROM node:lts-alpine as build-stage
+FROM node:lts-alpine AS build-stage
 RUN corepack enable && corepack prepare pnpm@latest --activate
 WORKDIR /app
 COPY package*.json ./
@@ -8,7 +8,7 @@ COPY . .
 RUN pnpm run build
 
 # production stage
-FROM nginx:stable-alpine as production-stage
+FROM nginx:stable-alpine AS production-stage
 COPY nginx/default.conf /etc/nginx/conf.d/
 RUN rm -rf /usr/share/nginx/html/*
 COPY --from=build-stage /app/dist /usr/share/nginx/html