diff --git a/create-ci-kubeconfig.sh b/create-ci-kubeconfig.sh
index a7bf5e4..2a410bc 100755
--- a/create-ci-kubeconfig.sh
+++ b/create-ci-kubeconfig.sh
@@ -7,6 +7,8 @@ namespace=${NAMESPACE:-default}
 service_account=${SERVICE_ACCOUNT:-traefik-error-pages-deployer}
 secret=${TOKEN_SECRET:-traefik-error-pages-deployer-token}
 
+[[ $(kubectl config current-context) == kubernetes-admin@kubernetes ]] || { echo "Wrong Kubernetes context" >&2; exit 1; }
+kubectl apply --dry-run=server --filename "${project_dir}/ci-deployer.yaml" >&2
 kubectl apply --filename "${project_dir}/ci-deployer.yaml" >&2
 
 for attempt in {1..30}; do
diff --git a/values.schema.json b/values.schema.json
index 7ff69c3..74ef37a 100644
--- a/values.schema.json
+++ b/values.schema.json
@@ -7,11 +7,10 @@
     "replicaCount": {"type": "integer", "minimum": 1},
     "image": {
       "type": "object",
-      "required": ["repository", "tag", "digest", "pullPolicy"],
+      "required": ["repository", "tag", "pullPolicy"],
       "properties": {
         "repository": {"type": "string", "minLength": 1},
         "tag": {"type": "string", "minLength": 1},
-        "digest": {"type": "string", "pattern": "^sha256:[a-f0-9]{64}$"},
         "pullPolicy": {"enum": ["Always", "IfNotPresent", "Never"]}
       }
     },