[#114] update baseimage

Dockerfile

@@ -14,7 +14,7 @@ RUN yarn install
 RUN node template-colors.js  ${WORKDIR}/resources/var/www/html/styles/default.css.tpl ${WORKDIR}/build/default.css
 RUN node template-error-pages.js ${WORKDIR}/resources/var/www/html/errors/error-page.html.tpl ${WORKDIR}/build/errors
 
-FROM registry.cloudogu.com/official/base:3.20.3-3 as builder
+FROM registry.cloudogu.com/official/base:3.21.0-1 as builder
 LABEL maintainer="[email protected]"
 
 # dockerfile is based on https://github.com/dockerfile/nginx and https://github.com/bellycard/docker-loadbalancer
@@ -65,7 +65,7 @@ RUN wget --progress=bar:force:noscroll -O /tmp/warp.zip https://github.com/cloud
     && echo "${WARP_MENU_TAR_SHA256} */tmp/warp.zip" | sha256sum -c - \
     && unzip /tmp/warp.zip -d /build/var/www/html
 
-FROM registry.cloudogu.com/official/base:3.20.3-3
+FROM registry.cloudogu.com/official/base:3.21.0-1
 LABEL maintainer="[email protected]" \
       NAME="official/nginx" \
       VERSION="1.26.2-2"