chore: Fix Docker lettercase warning

Dockerfile_static

@@ -1,5 +1,5 @@
 # https://cli.vuejs.org/guide/deployment.html#docker-nginx
-FROM nikolaik/python-nodejs:python3.11-nodejs18 as build-stage
+FROM nikolaik/python-nodejs:python3.11-nodejs18 AS build-stage
 
 COPY requirements.txt /tmp/requirements.txt
 RUN pip install --no-cache-dir -r /tmp/requirements.txt
@@ -18,7 +18,7 @@ RUN npx vue-cli-service build
 WORKDIR /workdir
 RUN python manage.py collectstatic --noinput -v2
 
-FROM nginxinc/nginx-unprivileged:latest as production-stage
+FROM nginxinc/nginx-unprivileged:latest AS production-stage
 USER root
 COPY --from=build-stage --chown=nginx:root /workdir/frontend/dist /usr/share/nginx/html
 COPY --from=build-stage --chown=nginx:root /workdir/static /usr/share/nginx/html/static