diff --git a/files/diskspreparation.sh b/files/diskspreparation.sh
index b4f9c632f5438dd68764abf0ad2bcfae9b37e25c..aecf91630fb7470c452b0f12bd402fc8873be15e 100755
--- a/files/diskspreparation.sh
+++ b/files/diskspreparation.sh
@@ -1,18 +1,5 @@
 #!/usr/bin/env bash
 
-export DISK_SDA_SCHEME="gpt"
-declare -a DISK_SDA_PARTITIONS=()
-DISK_SDA_PARTITIONS+=("1GB:fat16:/boot:defaults:0:0:False:boot,esp")
-DISK_SDA_PARTITIONS+=("12.5GB:ext4:/:defaults:0:0:True:")
-export DISK_SDA_PARTITIONS
-export DISK_SDB_SCHEME="mbr"
-declare -a DISK_SDB_PARTITIONS=()
-DISK_SDB_PARTITIONS+=("12GB:linux-swap::defaults:0:0:true")
-export DISK_SDB_PARTITIONS
-
-declare -a DISK_DEVICES=("sda" "sdb") 
-export DISK_DEVICES
-
 # convertSizeToByte - converts a given size to byte
 # parameter:
 #  $1 - size in "kB", "kiB", "MB", "MiB", "GB", "GiB", "TB" or "TiB"
diff --git a/files/installer.config b/files/installer.config
new file mode 100644
index 0000000000000000000000000000000000000000..140d0068308c6a6351fd06a84d9edf56939763a8
--- /dev/null
+++ b/files/installer.config
@@ -0,0 +1,12 @@
+export DISK_SDA_SCHEME="gpt"
+declare -a DISK_SDA_PARTITIONS=()
+DISK_SDA_PARTITIONS+=("1GB:fat16:/boot:defaults:0:0:False:boot,esp")
+DISK_SDA_PARTITIONS+=("12.5GB:ext4:/:defaults:0:0:True:")
+export DISK_SDA_PARTITIONS
+export DISK_SDB_SCHEME="mbr"
+declare -a DISK_SDB_PARTITIONS=()
+DISK_SDB_PARTITIONS+=("12GB:linux-swap::defaults:0:0:true")
+export DISK_SDB_PARTITIONS
+
+declare -a DISK_DEVICES=("sda" "sdb") 
+export DISK_DEVICES