diff --git a/.gitignore b/.gitignore
index 3e3d850ca7100199bb3f35f92b827f8958d67fda..669afbcd9fdb68a05a12fa1b4487829ae3f7f95f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 .envrc.local
 coverage
 terraform*.log
+/.gitlab-ci-local
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f5d0ff715004ae78700254b199f0480f2ab86124..7dd7c1c273317434211df0407870c0dbdba71d2f 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -49,7 +49,7 @@ variables:
 ## common steps
 
 cache_lint_test:
-  image: 'europe-north1-docker.pkg.dev/holi-shared/docker-hub-remote/denoland/deno:2.1.10'
+  image: 'europe-north1-docker.pkg.dev/holi-shared/docker-hub-remote/denoland/deno:2.2.2'
   stage: 'test'
   script:
     - deno cache --allow-import --lock=deno.lock app/deps.ts app/dev_deps.ts
diff --git a/Dockerfile b/Dockerfile
index 088a6a437530c11ffef1bfa508e6258b7d0f2c71..0732b7288f5af84fda202f19111e60887975e8b4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM europe-north1-docker.pkg.dev/holi-shared/docker-hub-remote/denoland/deno:2.1.10
+FROM europe-north1-docker.pkg.dev/holi-shared/docker-hub-remote/denoland/deno:2.2.2
 
 # The port that your application listens to.
 EXPOSE 8005
diff --git a/terraform/common/init.tf b/terraform/common/init.tf
index d05853b22a327c9d33188aabff52d9b75e686693..9c8a300b1841ef756e352e69a44b2910c94235fc 100644
--- a/terraform/common/init.tf
+++ b/terraform/common/init.tf
@@ -1,4 +1,16 @@
 terraform {
+  # allow the lowest common version across all projects, so that the current CI docker image version suits all projects
+  required_version = ">= 1.9"
+  required_providers {
+    google = {
+      source  = "hashicorp/google"
+      version = "6.22.0"
+    }
+    google-beta = {
+      source  = "hashicorp/google-beta"
+      version = "6.22.0"
+    }
+  }
   backend "gcs" {
     bucket = "holi-shared-terraform-state"
     prefix = "notifications-api-common"
diff --git a/terraform/environments/init.tf b/terraform/environments/init.tf
index 93cb73e17a641b6c1cc083b1738175be07ce81a8..a90411d595f1ef4689bf2fc9670bb003ad6c4a29 100644
--- a/terraform/environments/init.tf
+++ b/terraform/environments/init.tf
@@ -1,4 +1,16 @@
 terraform {
+  # allow the lowest common version across all projects, so that the current CI docker image version suits all projects
+  required_version = ">= 1.9"
+  required_providers {
+    google = {
+      source  = "hashicorp/google"
+      version = "6.22.0"
+    }
+    google-beta = {
+      source  = "hashicorp/google-beta"
+      version = "6.22.0"
+    }
+  }
   backend "gcs" {
     bucket = "holi-shared-terraform-state"
     prefix = "notifications-api-environments"
diff --git a/terraform/environments/scripts/wait-for-ssl.sh b/terraform/environments/scripts/wait-for-ssl.sh
index e130aadf5d8efde49192249d4b826ffd64a61ef6..2a53fa605f62bcdb379948e214c8718565f6cc51 100755
--- a/terraform/environments/scripts/wait-for-ssl.sh
+++ b/terraform/environments/scripts/wait-for-ssl.sh
@@ -7,7 +7,7 @@ url="$1"
 
 # google has a cdn answering on requests. This cdn takes a while to be fully updated.
 # Therefore, we don't return on first success, but on a number of consecutive successes.
-number_of_consecutive_successful_tries_needed=10
+number_of_consecutive_successful_tries_needed=25
 number_of_consecutive_successful_tries_achieved=0
 
 [ -z "$url" ] && echo "missing url as first param" && exit 1
@@ -17,10 +17,21 @@ echo -n "Checking if SSL certificate for $url is installed: "
 # storage for the return value of the curl command
 retval=0
 
+# early break on success (no need to wait on existing deployments)
+set +e
+curl -sSLIm 10 "$url" > /dev/null 2>& 1 
+retval=$?
+set -e
+if [ $retval -eq 0 ]; then
+  echo "success on first try, not checking further"
+  exit 0
+fi
+
+
 # shellcheck disable=SC2034
 for i in {1..2500}; do
   set +e
-  out=$(curl -sSLI "$url" 2>&1)
+  out=$(curl -sSLIm 10 "$url" 2>& 1)
   retval=$?
   set -e
   # shellcheck disable=SC2181
@@ -31,6 +42,7 @@ for i in {1..2500}; do
       echo "test successful after $i total tries"
       exit 0
     fi
+    sleep 1
   else
     echo -n "."
     number_of_consecutive_successful_tries_achieved=0