diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index cae216e..63e52a8 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -139,14 +139,13 @@ jobs:
           compression-level: 0
           overwrite: true
 
-  test-qemu:
+  test-iso:
     name: Test ISO
     runs-on: ubuntu-latest
     needs:
       - build-and-push-iso
     permissions:
       contents: read
-      packages: write
     continue-on-error: false
     strategy:
       fail-fast: false
@@ -167,10 +166,6 @@ jobs:
           sudo apt-get install -y make
           sudo make install-test-deps PACKAGE_MANAGER=apt-get
 
-      - name: Create disk
-        run: |
-          qemu-img create -f qcow2 disk.qcow2 50G
-
       - name: Download generated ISO
         uses: actions/download-artifact@v4
         with:
@@ -197,6 +192,38 @@ jobs:
             SECURE_BOOT_KEY_URL=${{ env.SECURE_BOOT_KEY_URL }} \
             ENROLLMENT_PASSWORD=${{ env.ENROLLMENT_PASSWORD }}
 
+  test-deployment:
+    name: Test deployment
+    runs-on: ubuntu-latest
+    needs:
+      - build-and-push-iso
+    permissions:
+      contents: read
+    continue-on-error: false
+    strategy:
+      fail-fast: false
+      matrix:
+        version:
+          - 38
+          - 39
+          - 40
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install test tools
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y make
+          sudo make install-test-deps PACKAGE_MANAGER=apt-get
+      
+      - name: Download generated ISO
+        uses: actions/download-artifact@v4
+        with:
+          name: ${{ needs['build-and-push-iso']['outputs'][format('iso_name-{0}', matrix.version)] }}
+
       - name: Add Kickstart and Grub options to ISO
         run: |
           set -e
@@ -228,6 +255,10 @@ jobs:
           -end
           EOF
 
+      - name: Create VM disk
+        run: |
+          qemu-img create -f qcow2 disk.qcow2 50G
+
       - name: Install the test VM
         run: |
           set -e
diff --git a/.github/workflows/variables.yml b/.github/workflows/variables.yml
new file mode 100644
index 0000000..6d92fb8
--- /dev/null
+++ b/.github/workflows/variables.yml
@@ -0,0 +1,24 @@
+name: Repo Tests
+
+on:
+  push:
+    branches:
+      - 'main'
+    tags:
+      - 'v*'
+  pull_request:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  variables:
+    name: Check variables are listed
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Run test
+        run: |
+          /bin/bash bash tests/repo/vars.sh
\ No newline at end of file
diff --git a/Makefile b/Makefile
index b3db5dc..1af1850 100644
--- a/Makefile
+++ b/Makefile
@@ -20,9 +20,12 @@ FLATPAK_REMOTE_REFS_DIR =
 # Secure boot
 ENROLLMENT_PASSWORD =
 SECURE_BOOT_KEY_URL =
+
+###################
+# Hidden vars
+
 # Cache
 DNF_CACHE = 
-
 PACKAGE_MANAGER = dnf
 
 # Functions
diff --git a/tests/repo/vars.sh b/tests/repo/vars.sh
new file mode 100644
index 0000000..e9867bf
--- /dev/null
+++ b/tests/repo/vars.sh
@@ -0,0 +1,37 @@
+#!/bin/bash
+
+vars=()
+
+while read -r line
+do
+    if ! [[ $line =~ ^# ]]
+    then
+        vars+=$(echo $line | cut -d= -f1 | tr [:upper:] [:lower:])
+    fi
+    if [[ $line =~ ^########## ]]
+    then
+        break
+    fi
+done < Makefile
+
+result=0
+
+for var in $vars
+do
+    grep "^| ${var}" README.md > /dev/null
+    if [[ $? != 0 ]]
+    then
+        echo "$var not found in README.md"
+        result=1
+    fi
+done
+
+for var in $vars
+do
+    grep "^  ${var}:" action.yml > /dev/null
+    if [[ $? != 0 ]]
+    then
+        echo "$var not found in action.yml"
+        result=1
+    fi
+done
\ No newline at end of file