diff --git a/infrastructure/docker/image/resources/install.sh b/infrastructure/docker/image/resources/install.sh
index 13e9ff1..0660ebd 100755
--- a/infrastructure/docker/image/resources/install.sh
+++ b/infrastructure/docker/image/resources/install.sh
@@ -1,13 +1,15 @@
 #!/bin/bash
 
+set -eux
+
 function main() {
-    apt-get update > /dev/null;
-    apt-get install -qqy ca-certificates curl wget gnupg > /dev/null
+    apt update > /dev/null;
+    apt install -qqy ca-certificates curl wget gnupg > /dev/null
     sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt focal-pgdg main" > /etc/apt/sources.list.d/pgdg.list'
     wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | apt-key add -
 
-    apt-get update > /dev/null;
-    apt-get -qqy install wget postgresql-client-14 restic > /dev/null;
+    apt update > /dev/null;
+    apt -qqy install wget postgresql-client-14 restic > /dev/null;
 
     update-ca-certificates