it just works

.github/workflows/terraform-apply.yml

@@ -17,6 +17,7 @@ jobs:
     if: github.repository != 'hashicorp-education/learn-terraform-github-actions'
     name: "Terraform Apply"
     runs-on: mealcraft-runners
+    container: ubuntu:22.04
     permissions:
       contents: read
     steps:

.github/workflows/terraform-plan.yml

@@ -15,6 +15,7 @@ jobs:
     if: github.repository != 'hashicorp-education/learn-terraform-github-actions'
     name: "Terraform Plan"
     runs-on: mealcraft-runners
+    container: ubuntu:22.04
     permissions:
       contents: read
       pull-requests: write

.github/workflows/test-autoscaling.yml

@@ -6,6 +6,7 @@ on:
 jobs:
   load-test:
     runs-on: mealcraft-runners
+    container: ubuntu:22.04
     strategy:
       matrix:
         job_id: [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20]

github_runner/install/install_arc.sh

@@ -22,8 +22,6 @@ helm install arc \
   oci://ghcr.io/actions/actions-runner-controller-charts/gha-runner-scale-set-controller
 
 helm uninstall mealcraft-runners -n arc-systems
-
-echo "=== Install MealCraft Runner Scale Set ==="
 helm install mealcraft-runners \
   --namespace arc-systems \
   --set runnerScaleSetName=mealcraft-runners \
@@ -31,12 +29,13 @@ helm install mealcraft-runners \
   --set githubConfigUrl=https://github.com/MealCraft \
   --set githubConfigSecret.github_token=$GITHUB_PAT \
   --set githubConfigSecret.name=github-secret \
+  \
   --set containerMode.type=kubernetes \
+  --set containerMode.kubernetesModeDefaultContainer.image=ubuntu:22.04 \
   --set containerMode.kubernetesModeWorkVolumeClaim.accessModes[0]=ReadWriteOnce \
   --set containerMode.kubernetesModeWorkVolumeClaim.storageClassName=microk8s-hostpath \
   --set containerMode.kubernetesModeWorkVolumeClaim.resources.requests.storage=1Gi \
-  --set defaultContainer.image=ubuntu:22.04 \
+  \
   oci://ghcr.io/actions/actions-runner-controller-charts/gha-runner-scale-set
 
-
 echo "=== ARC installation complete ==="