use localedef

.gitlab-ci.yml

@@ -34,7 +34,7 @@ test:
     - apt update -qy
     - apt install -y apt-utils curl libgdal-dev make locales locales-all gettext sudo
     - locale
-    - sed -i -e 's/# en_US.UTF-8 UTF-8/en_US.UTF-8 UTF-8/' /etc/locale.gen && dpkg-reconfigure --frontend=noninteractive locales && update-locale LANG=en_US.UTF-8 LANGUAGE=en_US.UTF-8 LC_ALL=en_US.UTF-8
+    - localedef -v -c -i en_US -f UTF-8 en_US.UTF-8
     - locale
     - export PGPASSWORD=$POSTGRES_PASSWORD
     - psql --username $POSTGRES_USER --host postgres -d $POSTGRES_DB -c "ALTER ROLE anthology_django SET client_encoding TO 'utf8';"