Move base image to Alpine

run.sh

@@ -1,14 +1,9 @@
-#!/bin/bash
+#!/bin/sh
 
+# Import GPG public keys
 gpg --import /keys/*
 
-cron
-
-# LS_COLORS is set to nothing and for some strange reason crontabs are not allowed to contain such env vars
-unset LS_COLORS
-
-# Create crontab file
-env | cat - > /backup.cron
+# Create and install crontab file
 echo "$CRON_INTERVAL /backup.sh" >> /backup.cron
 
 crontab /backup.cron