diff --git a/Dockerfile b/Dockerfile
index 0a55113..b13d9c2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,16 +1,16 @@
 FROM ubuntu:22.04
 
 # add php ppa and setup apt
-RUN apt update && apt -y install software-properties-common && add-apt-repository ppa:ondrej/php
+RUN DEBIAN_FRONTEND=noninteractive apt update && apt -y install software-properties-common && add-apt-repository ppa:ondrej/php
 
 # base php & composer
 RUN DEBIAN_FRONTEND=noninteractive apt install -y --no-install-recommends php8.2-cli composer
 
 # curl, gd, xml
-RUN apt install -y --no-install-recommends php8.2-gd php8.2-xml php8.2-curl php8.2-redis php8.2-mbstring php8.2-zip
+RUN DEBIAN_FRONTEND=noninteractive apt install -y --no-install-recommends php8.2-gd php8.2-xml php8.2-curl php8.2-redis php8.2-mbstring php8.2-zip
 
 # change locale
-RUN apt install -y locales \
+RUN DEBIAN_FRONTEND=noninteractive apt install -y locales php8.2-intl \
 	&& sed -i 's/^# *\(de_DE.UTF-8\)/\1/' /etc/locale.gen \
 	&& locale-gen