diff --git a/Dockerfile-debian.template b/Dockerfile-debian.template
index cea5d93b23..602dca6740 100644
--- a/Dockerfile-debian.template
+++ b/Dockerfile-debian.template
@@ -20,6 +20,7 @@ RUN set -ex; \
 # see https://docs.nextcloud.com/server/stable/admin_manual/installation/source_installation.html
 ENV PHP_MEMORY_LIMIT 512M
 ENV PHP_UPLOAD_LIMIT 512M
+%%VARIANT_EXTRAS_ENV%%
 RUN set -ex; \
     \
     savedAptMark="$(apt-mark showmanual)"; \
diff --git a/update.sh b/update.sh
index 3e85ef8449..f4dd78c3a2 100755
--- a/update.sh
+++ b/update.sh
@@ -28,8 +28,14 @@ declare -A base=(
 	[fpm-alpine]='alpine'
 )
 
+declare -A extras_env=(
+	[apache]='ENV APACHE_BODY_LIMIT 1073741824'
+	[fpm]=''
+	[fpm-alpine]=''
+)
+
 declare -A extras=(
-	[apache]='\nRUN a2enmod headers rewrite remoteip ;\\\n    {\\\n     echo RemoteIPHeader X-Real-IP ;\\\n     echo RemoteIPInternalProxy 10.0.0.0/8 ;\\\n     echo RemoteIPInternalProxy 172.16.0.0/12 ;\\\n     echo RemoteIPInternalProxy 192.168.0.0/16 ;\\\n    } > /etc/apache2/conf-available/remoteip.conf;\\\n    a2enconf remoteip'
+	[apache]='\nRUN a2enmod headers rewrite remoteip ; \\\n    { \\\n     echo '\''RemoteIPHeader X-Real-IP'\''; \\\n     echo '\''RemoteIPInternalProxy 10.0.0.0/8'\''; \\\n     echo '\''RemoteIPInternalProxy 172.16.0.0/12'\''; \\\n     echo '\''RemoteIPInternalProxy 192.168.0.0/16'\''; \\\n    } > /etc/apache2/conf-available/remoteip.conf; \\\n    a2enconf remoteip\n\n# set apache config LimitRequestBody\nRUN { \\\n     echo '\''LimitRequestBody ${APACHE_BODY_LIMIT}'\''; \\\n    } > /etc/apache2/conf-available/apache-limits.conf; \\\n    a2enconf apache-limits'
 	[fpm]=''
 	[fpm-alpine]=''
 )
@@ -130,6 +136,7 @@ function create_variant() {
 		s/%%DOWNLOAD_URL%%/'"$(sed -e 's/[\/&]/\\&/g' <<< "$url")"'/g;
 		s/%%DOWNLOAD_URL_ASC%%/'"$(sed -e 's/[\/&]/\\&/g' <<< "$ascUrl")"'/g;
 		s/%%CMD%%/'"${cmd[$variant]}"'/g;
+		s|%%VARIANT_EXTRAS_ENV%%|'"${extras_env[$variant]}"'|g;
 		s|%%VARIANT_EXTRAS%%|'"${extras[$variant]}"'|g;
 		s/%%APCU_VERSION%%/'"${pecl_versions[APCu]}"'/g;
 		s/%%MEMCACHED_VERSION%%/'"${pecl_versions[memcached]}"'/g;