diff --git a/README.md b/README.md
index 0789bdd0..01809cee 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,7 @@ The following dependencies must be available:
 A service account with the following roles must be used to provision
 the resources of this module:
 
+- roles/cloudbuild.builds.editor
 - roles/cloudsql.admin
 - roles/compute.admin
 - roles/compute.networkAdmin
@@ -75,6 +76,7 @@ the resources of this module:
 - roles/firebasehosting.admin
 - roles/iam.serviceAccountAdmin
 - roles/iam.serviceAccountUser
+- roles/pubsub.editor
 - roles/resourcemanager.projectIamAdmin
 - roles/run.admin
 - roles/secretmanager.admin
diff --git a/app/placeholder/Dockerfile b/app/placeholder/Dockerfile
index 81870466..45b23c26 100644
--- a/app/placeholder/Dockerfile
+++ b/app/placeholder/Dockerfile
@@ -16,9 +16,10 @@
 # Execute with "docker run --build-arg PROJECT_ID=$PROJECT_ID ..."
 ARG PROJECT_ID=YOURPROJECTID
 FROM gcr.io/$PROJECT_ID/firebase
+WORKDIR /app
 
-RUN apk add gettext
+RUN apk add gettext curl
 RUN npm install -g json
-COPY . ./
+COPY . /app/
 
-ENTRYPOINT ./placeholder-deploy.sh
+ENTRYPOINT ["/app/placeholder-deploy.sh"]
diff --git a/app/placeholder/placeholder-deploy.sh b/app/placeholder/placeholder-deploy.sh
index c3ce9941..d55df618 100755
--- a/app/placeholder/placeholder-deploy.sh
+++ b/app/placeholder/placeholder-deploy.sh
@@ -17,6 +17,24 @@
 # any errors? exit immediately.
 set -e
 
+# Ensure we got to the right directory. Cloud Build may start us in /workspace
+cd /app
+
+# escape if firebase_url not defined (mandatory, required later)
+if [[ -z $FIREBASE_URL ]]; then
+    echo "FIREBASE_URL not defined. Cannot deploy. Exiting."
+    exit 1
+fi
+
+# Only run the placeholder script if the site has been deployed before.
+# Check if the firebase url has "Site Not Found" (the pre-deployment state)
+if curl "$FIREBASE_URL" | grep -q "Site Not Found"; then
+    echo "Firebase site $FIREBASE_URL hasn't been deployed before, so it needs a placeholder."
+else
+    echo "Firebase site $FIREBASE_URL has been deployed before. Not going to deploy placeholder. Exiting."
+    exit 0
+fi
+
 # if deploying with a suffix (from infra/jobs.tf), adjust the config to suit the custom site
 # https://firebase.google.com/docs/hosting/multisites#set_up_deploy_targets
 if [[ -n $SUFFIX ]]; then
@@ -24,7 +42,7 @@ if [[ -n $SUFFIX ]]; then
     UPDATED=true
 
     # Use template file to generate configuration
-    envsubst  < firebaserc.tmpl > .firebaserc
+    envsubst <firebaserc.tmpl >.firebaserc
     echo "Customised .firebaserc created to support site."
     cat .firebaserc
 fi
@@ -35,6 +53,10 @@ if [[ -n $UPDATED ]]; then
     cat firebase.json
 fi
 
+# Finally, deploy the application
 echo "Deploying placeholder to Firebase..."
-
 firebase deploy --project "$PROJECT_ID" --only hosting
+
+# Setup for greater chances of success by explicitly purging cache
+echo "Purging firebase cache"
+curl -X PURGE "${FIREBASE_URL}/"
diff --git a/infra/README.md b/infra/README.md
index 977d1d65..cf4de0c1 100644
--- a/infra/README.md
+++ b/infra/README.md
@@ -48,7 +48,7 @@ Functional examples are included in the
 | database\_name | Cloud SQL database name | `string` | `"django"` | no |
 | database\_username | Cloud SQL database name | `string` | `"server"` | no |
 | enable\_apis | Whether or not to enable underlying apis in this solution. | `bool` | `true` | no |
-| image\_version | Version of the Container Registry image to use | `string` | `"v1.8.2"` | no |
+| image\_version | Version of the Container Registry image to use | `string` | `"v1.9.0"` | no |
 | init | Initialize database? | `bool` | `true` | no |
 | instance\_name | Cloud SQL Instance name | `string` | `"psql"` | no |
 | labels | A set of key/value label pairs to assign to the resources deployed by this blueprint. | `map(string)` | `{}` | no |
@@ -89,6 +89,7 @@ The following dependencies must be available:
 A service account with the following roles must be used to provision
 the resources of this module:
 
+- roles/cloudbuild.builds.editor
 - roles/cloudsql.admin
 - roles/compute.admin
 - roles/compute.networkAdmin
@@ -96,6 +97,7 @@ the resources of this module:
 - roles/firebasehosting.admin
 - roles/iam.serviceAccountAdmin
 - roles/iam.serviceAccountUser
+- roles/pubsub.editor
 - roles/resourcemanager.projectIamAdmin
 - roles/run.admin
 - roles/secretmanager.admin
diff --git a/infra/apis.tf b/infra/apis.tf
index 583e47c4..2916801f 100644
--- a/infra/apis.tf
+++ b/infra/apis.tf
@@ -50,6 +50,7 @@ module "project_services" {
     "compute.googleapis.com",
     "firebase.googleapis.com",
     "firebasehosting.googleapis.com",
+    "pubsub.googleapis.com",
     "iam.googleapis.com",
     "run.googleapis.com",
     "secretmanager.googleapis.com",
diff --git a/infra/containers.tf b/infra/containers.tf
index 1fefdade..111cadad 100644
--- a/infra/containers.tf
+++ b/infra/containers.tf
@@ -19,5 +19,5 @@
 locals {
   server_image      = "gcr.io/${var.server_image_host}/server:${var.image_version}"
   client_image      = "gcr.io/${var.client_image_host}/client:${var.image_version}"
-  placeholder_image = "gcr.io/hsa-public/avocano-placeholder:latest"
+  placeholder_image = "gcr.io/hsa-public/avocano-placeholder:postjsstrigger" # TODO(glasnt): revert to tag "latest"
 }
diff --git a/infra/iam.tf b/infra/iam.tf
index 2513e9eb..74e545e4 100644
--- a/infra/iam.tf
+++ b/infra/iam.tf
@@ -14,15 +14,31 @@
  * limitations under the License.
  */
 
-# Service Accounts
-
 locals {
-  # Helpers for the clunky formatting of these values
-  automation_SA = "serviceAccount:${google_service_account.automation.email}"
-  server_SA     = "serviceAccount:${google_service_account.server.email}"
-  client_SA     = "serviceAccount:${google_service_account.client.email}"
+  # Lists of required roles
+  server_iam_members = [
+    "roles/cloudsql.client",
+    "roles/run.viewer",
+    "roles/cloudtrace.agent"
+  ]
+  client_iam_members = [
+    "roles/run.viewer",
+    "roles/firebasehosting.admin",
+  ]
+  automation_iam_members = [
+    "roles/cloudsql.client"
+  ]
+  init_iam_members = [
+    "roles/logging.logWriter",
+    "roles/cloudbuild.builds.builder",
+    "roles/iam.serviceAccountUser",
+    "roles/run.developer",
+    "roles/firebasehosting.admin"
+  ]
 }
 
+# Accounts
+
 resource "google_service_account" "server" {
   account_id   = var.random_suffix ? "api-backend-${random_id.suffix.hex}" : "api-backend"
   display_name = "API Backend service account"
@@ -41,66 +57,44 @@ resource "google_service_account" "automation" {
   depends_on   = [module.project_services]
 }
 
-resource "google_service_account" "compute" {
-  account_id   = var.random_suffix ? "compute-startup-${random_id.suffix.hex}" : "compute-startup"
-  display_name = "Head Start App Compute Instance SA"
+
+resource "google_service_account" "init" {
+  account_id   = var.random_suffix ? "init-startup-${random_id.suffix.hex}" : "init-startup"
+  display_name = "Jump Start App Init SA"
   depends_on   = [module.project_services]
   count        = var.init ? 1 : 0
 }
 
-# The Cloud Run server can access the database
+# Permissions
+
 resource "google_project_iam_member" "server_permissions" {
-  project    = var.project_id
-  role       = "roles/cloudsql.client"
-  member     = local.server_SA
-  depends_on = [google_service_account.server]
-}
+  count = length(local.server_iam_members)
 
-# Cloud Build can access the database
-resource "google_project_iam_member" "build_permissions" {
-  project    = var.project_id
-  role       = "roles/cloudsql.client"
-  member     = local.automation_SA
-  depends_on = [google_service_account.automation]
+  project = var.project_id
+  role    = local.server_iam_members[count.index]
+  member  = "serviceAccount:${google_service_account.server.email}"
 }
 
-# Server needs introspection permissions
-resource "google_project_iam_member" "server_introspection" {
-  project    = var.project_id
-  role       = "roles/run.viewer"
-  member     = local.server_SA
-  depends_on = [google_service_account.server]
-}
+resource "google_project_iam_member" "client_permissions" {
+  count = length(local.client_iam_members)
 
-# Client needs introspection permissions
-resource "google_project_iam_member" "client_introspection" {
-  project    = var.project_id
-  role       = "roles/run.viewer"
-  member     = local.client_SA
-  depends_on = [google_service_account.client]
+  project = var.project_id
+  role    = local.client_iam_members[count.index]
+  member  = "serviceAccount:${google_service_account.client.email}"
 }
 
-# Client may need permission to deploy the front end
-resource "google_project_iam_member" "client_permissions" {
-  project    = var.project_id
-  role       = "roles/firebasehosting.admin"
-  member     = local.client_SA
-  depends_on = [google_service_account.client]
-}
+resource "google_project_iam_member" "automation_permissions" {
+  count = length(local.automation_iam_members)
 
-# GCE instance needs access to start Jobs
-resource "google_project_iam_member" "computestartup_permissions" {
-  project    = var.project_id
-  role       = "roles/run.developer"
-  member     = "serviceAccount:${google_service_account.compute[0].email}"
-  depends_on = [google_service_account.compute]
-  count      = var.init ? 1 : 0
+  project = var.project_id
+  role    = local.automation_iam_members[count.index]
+  member  = "serviceAccount:${google_service_account.automation.email}"
 }
 
-# Server needs to write to Cloud Trace
-resource "google_project_iam_member" "server_traceagent" {
-  project    = var.project_id
-  role       = "roles/cloudtrace.agent"
-  member     = local.server_SA
-  depends_on = [google_service_account.server]
+resource "google_project_iam_member" "init_permissions" {
+  count = length(local.init_iam_members)
+
+  project = var.project_id
+  role    = local.init_iam_members[count.index]
+  member  = "serviceAccount:${google_service_account.init[0].email}"
 }
diff --git a/infra/jobs.tf b/infra/jobs.tf
index 74583cdc..4cf808fa 100644
--- a/infra/jobs.tf
+++ b/infra/jobs.tf
@@ -14,54 +14,7 @@
  * limitations under the License.
  */
 
-resource "google_cloud_run_v2_job" "setup" {
-  name     = var.random_suffix ? "setup-${random_id.suffix.hex}" : "setup"
-  location = var.region
-
-  labels = var.labels
-
-  template {
-    template {
-      service_account = google_service_account.automation.email
-      containers {
-        image   = local.server_image
-        command = ["setup"]
-        env {
-          name = "DJANGO_ENV"
-          value_source {
-            secret_key_ref {
-              secret  = google_secret_manager_secret.django_settings.secret_id
-              version = "latest"
-            }
-          }
-        }
-        env {
-          name = "DJANGO_SUPERUSER_PASSWORD"
-          value_source {
-            secret_key_ref {
-              secret  = google_secret_manager_secret.django_admin_password.secret_id
-              version = "latest"
-            }
-          }
-        }
-        volume_mounts {
-          name       = "cloudsql"
-          mount_path = "/cloudsql"
-        }
-      }
-      volumes {
-        name = "cloudsql"
-        cloud_sql_instance {
-          instances = [google_sql_database_instance.postgres.connection_name]
-        }
-      }
-    }
-  }
-  depends_on = [
-    google_secret_manager_secret_version.django_settings
-  ]
-}
-
+# Job to apply server database updates
 resource "google_cloud_run_v2_job" "migrate" {
   name     = var.random_suffix ? "migrate-${random_id.suffix.hex}" : "migrate"
   location = var.region
@@ -101,75 +54,4 @@ resource "google_cloud_run_v2_job" "migrate" {
   ]
 }
 
-
-
-resource "google_cloud_run_v2_job" "client" {
-
-  name     = var.random_suffix ? "client-${random_id.suffix.hex}" : "client"
-  location = var.region
-
-  labels = var.labels
-
-  template {
-    template {
-      service_account = google_service_account.client.email
-      containers {
-        image = local.client_image
-
-        # Variables used to customise Firebase configuration on deployment
-        # https://github.com/GoogleCloudPlatform/avocano/blob/main/client/docker-deploy.sh
-        env {
-          name  = "SUFFIX"
-          value = var.random_suffix ? random_id.suffix.hex : ""
-        }
-        env {
-          name  = "SERVICE_NAME"
-          value = google_cloud_run_v2_service.server.name
-        }
-        env {
-          name  = "REGION"
-          value = var.region
-        }
-        env {
-          name  = "PROJECT_ID"
-          value = var.project_id
-        }
-
-      }
-    }
-  }
-
-  depends_on = [
-    module.project_services
-  ]
-}
-
-
-resource "google_cloud_run_v2_job" "placeholder" {
-  name     = var.random_suffix ? "placeholder-${random_id.suffix.hex}" : "placeholder"
-  location = var.region
-
-  labels = var.labels
-
-  template {
-    template {
-      service_account = google_service_account.client.email
-      containers {
-        image = local.placeholder_image
-        env {
-          name  = "PROJECT_ID"
-          value = var.project_id
-        }
-
-        env {
-          name  = "SUFFIX"
-          value = var.random_suffix ? random_id.suffix.hex : ""
-        }
-      }
-    }
-  }
-
-  depends_on = [
-    module.project_services
-  ]
-}
+# Other jobs defined in postdeployment.tf
diff --git a/infra/metadata.yaml b/infra/metadata.yaml
index 04c0cd4c..17bfe30d 100644
--- a/infra/metadata.yaml
+++ b/infra/metadata.yaml
@@ -69,7 +69,7 @@ spec:
     - name: image_version
       description: Version of the Container Registry image to use
       varType: string
-      defaultValue: v1.8.2
+      defaultValue: v1.9.0
     - name: init
       description: Initialize database?
       varType: bool
@@ -125,6 +125,7 @@ spec:
     roles:
     - level: Project
       roles:
+      - roles/cloudbuild.builds.editor
       - roles/cloudsql.admin
       - roles/compute.admin
       - roles/compute.networkAdmin
@@ -132,6 +133,7 @@ spec:
       - roles/firebasehosting.admin
       - roles/iam.serviceAccountAdmin
       - roles/iam.serviceAccountUser
+      - roles/pubsub.editor
       - roles/resourcemanager.projectIamAdmin
       - roles/run.admin
       - roles/secretmanager.admin
@@ -158,6 +160,7 @@ spec:
     - firebase.googleapis.com
     - firebasehosting.googleapis.com
     - iam.googleapis.com
+    - pubsub.googleapis.com
     - run.googleapis.com
     - secretmanager.googleapis.com
     - sqladmin.googleapis.com
diff --git a/infra/outputs.tf b/infra/outputs.tf
index a6790c00..ab48df7f 100644
--- a/infra/outputs.tf
+++ b/infra/outputs.tf
@@ -71,5 +71,5 @@ output "server_service_name" {
 
 output "client_job_name" {
   description = "Name of the Cloud Run Job, deploying the front end"
-  value       = google_cloud_run_v2_job.client.name
+  value       = local.client_job_name
 }
diff --git a/infra/postdeployment.tf b/infra/postdeployment.tf
index 0ca6b1dd..6a0383b1 100644
--- a/infra/postdeployment.tf
+++ b/infra/postdeployment.tf
@@ -14,126 +14,195 @@
  * limitations under the License.
  */
 
-resource "google_compute_network" "gce_init" {
-  count = var.init ? 1 : 0
+locals {
+  random_suffix_value  = var.random_suffix ? random_id.suffix.hex : ""       # literal value  (NNNN)
+  random_suffix_append = var.random_suffix ? "-${random_id.suffix.hex}" : "" # appended value (-NNNN)
 
-  name                            = var.random_suffix ? "gce-init-network-${random_id.suffix.hex}" : "gce-init-network"
-  auto_create_subnetworks         = false
-  routing_mode                    = "GLOBAL"
-  project                         = var.project_id
-  delete_default_routes_on_create = false
-  mtu                             = 0
+  setup_job_name  = "setup${local.random_suffix_append}"
+  client_job_name = "client${local.random_suffix_append}"
 
-  depends_on = [module.project_services]
+  gcloud_step_container = "gcr.io/google.com/cloudsdktool/cloud-sdk:slim"
 }
 
-resource "google_compute_subnetwork" "gce_init" {
-  count = var.init ? 1 : 0
-
-  name          = var.random_suffix ? "subnet-gce-init-${random_id.suffix.hex}" : "subnet-gce-init"
-  network       = google_compute_network.gce_init[0].id
-  ip_cidr_range = "10.10.10.0/24"
-  region        = var.region
+# used to collect access token, for authenticated POST commands
+data "google_client_config" "current" {
+}
 
-  depends_on = [module.project_services]
+# topic that is never used, except as a configuration type for Cloud Build Triggers
+resource "google_pubsub_topic" "faux" {
+  name = "faux-topic${local.random_suffix_append}"
 }
 
-resource "google_compute_instance" "gce_init" {
+## Placeholder - deploys a placeholder website - uses prebuilt image in /app/placeholder
+resource "google_cloudbuild_trigger" "placeholder" {
   count = var.init ? 1 : 0
 
-  depends_on = [
-    module.project_services,
-    google_sql_database_instance.postgres,
-    google_cloud_run_v2_job.setup,
-    google_cloud_run_v2_job.client,
-  ]
-
-  name           = var.random_suffix ? "head-start-initialize-${random_id.suffix.hex}" : "head-start-initialize"
-  machine_type   = "n1-standard-1"
-  zone           = var.zone
-  desired_status = "RUNNING" # https://github.com/GoogleCloudPlatform/terraform-dynamic-python-webapp/pull/75#issuecomment-1547198414
+  name     = "placeholder${local.random_suffix_append}"
+  location = var.region
 
-  allow_stopping_for_update = true
+  description = "Deploy a placeholder Firebase website"
 
-  boot_disk {
-    initialize_params {
-      image = "debian-cloud/debian-11"
-    }
+  pubsub_config {
+    topic = google_pubsub_topic.faux.id
   }
 
-  network_interface {
-    network    = google_compute_network.gce_init[0].self_link
-    subnetwork = google_compute_subnetwork.gce_init[0].self_link
-
-    access_config {
-      // Ephemeral public IP
+  service_account = google_service_account.init[0].id
+
+  build {
+    step {
+      id   = "deploy-placeholder"
+      name = local.placeholder_image
+      env = [
+        "PROJECT_ID=${var.project_id}",
+        "SUFFIX=${local.random_suffix_value}",
+        "FIREBASE_URL=${local.firebase_url}",
+      ]
     }
-  }
 
-  service_account {
-    email  = google_service_account.compute[0].email
-    scopes = ["cloud-platform"] # TODO: Restrict??
+    options {
+      logging = "CLOUD_LOGGING_ONLY"
+    }
   }
 
-  metadata_startup_script = <<EOT
-#!/bin/bash
-
-echo "Running init database migration"
-gcloud beta run jobs execute ${google_cloud_run_v2_job.setup.name} --wait --project ${var.project_id} --region ${var.region}
+  depends_on = [
+    # This trigger doesn't depend on this service
+    # However, IAM eventual consistency takes a while, and as the other trigger
+    # which has to fire later has more dependencies, this will always fire and finish first.
+    google_sql_database_instance.postgres,
+  ]
+}
 
-echo "Running client deploy"
-gcloud beta run jobs execute ${google_cloud_run_v2_job.client.name} --wait --project ${var.project_id} --region ${var.region}
-curl -X PURGE "${local.firebase_url}/"
 
-echo "Warm up API"
-curl ${local.server_url}/api/products/?warmup
+# execute the trigger, once it and other dependencies exist. Intended side-effect.
+# tflint-ignore: terraform_unused_declarations
+data "http" "execute_placeholder_trigger" {
+  count = var.init ? 1 : 0
 
-shutdown -h now
-EOT
+  url    = "https://cloudbuild.googleapis.com/v1/${google_cloudbuild_trigger.placeholder[0].id}:run"
+  method = "POST"
+  request_headers = {
+    Authorization = "Bearer ${data.google_client_config.current.access_token}"
+  }
+  depends_on = [
+    google_cloudbuild_trigger.placeholder[0]
+  ]
 }
 
 
-resource "google_compute_instance" "placeholder_init" {
+## Initalization trigger
+resource "google_cloudbuild_trigger" "init" {
   count = var.init ? 1 : 0
 
-  depends_on = [
-    module.project_services,
-    google_cloud_run_v2_job.placeholder,
-  ]
+  name     = "init-application${local.random_suffix_append}"
+  location = var.region
 
-  name         = var.random_suffix ? "placeholder-initialize-${random_id.suffix.hex}" : "placeholder-initialize"
-  machine_type = "n1-standard-1"
-  zone         = var.zone
+  description = "Perform initialization setup for server and client"
 
-  allow_stopping_for_update = true
+  pubsub_config {
+    topic = google_pubsub_topic.faux.id
+  }
 
-  boot_disk {
-    initialize_params {
-      image = "debian-cloud/debian-11"
+  service_account = google_service_account.init[0].id
+
+  build {
+    ## Client/frontend processing
+    step {
+      # Check if a job already exists under the exact name. If it doesn't, create it.
+      # Environment variables used to customise Firebase configuration on deployment
+      # https://github.com/GoogleCloudPlatform/avocano/blob/main/client/docker-deploy.sh
+      id     = "create-client-job"
+      name   = local.gcloud_step_container
+      script = <<EOT
+#!/bin/bash
+SETUP_JOB=$(gcloud run jobs list --filter "metadata.name~${local.client_job_name}$" --format "value(metadata.name)" --region ${var.region})
+
+if [[ -z $SETUP_JOB ]]; then
+  echo "Creating ${local.client_job_name} Cloud Run Job"
+  gcloud run jobs create ${local.client_job_name} --region ${var.region} \
+    --image ${local.client_image} \
+    --service-account ${google_service_account.client.email} \
+    --set-env-vars PROJECT_ID=${var.project_id} \
+    --set-env-vars SUFFIX=${local.random_suffix_value} \
+    --set-env-vars REGION=${var.region} \
+    --set-env-vars SERVICE_NAME=${google_cloud_run_v2_service.server.name}
+else
+  echo "Cloud Run Job ${local.client_job_name} already exists."
+fi
+EOT
     }
-  }
 
-  network_interface {
-    network    = google_compute_network.gce_init[0].self_link
-    subnetwork = google_compute_subnetwork.gce_init[0].self_link
+    ## Server/API processing
+    step {
+      # Check if a job already exists under the exact name. If it doesn't, create it.
+      id     = "create-setup-job"
+      name   = local.gcloud_step_container
+      script = <<EOT
+#!/bin/bash
+SETUP_JOB=$(gcloud run jobs list --filter "metadata.name~${local.setup_job_name}$" --format "value(metadata.name)" --region ${var.region})
+
+if [[ -z $SETUP_JOB ]]; then
+  echo "Creating ${local.setup_job_name} Cloud Run Job"
+  gcloud run jobs create ${local.setup_job_name} --region ${var.region} \
+    --command setup \
+    --image ${local.server_image} \
+    --service-account ${google_service_account.automation.email} \
+    --set-secrets DJANGO_ENV=${google_secret_manager_secret.django_settings.secret_id}:latest \
+    --set-secrets DJANGO_SUPERUSER_PASSWORD=${google_secret_manager_secret.django_admin_password.secret_id}:latest \
+    --set-cloudsql-instances ${google_sql_database_instance.postgres.connection_name}
+else
+  echo "Cloud Run Job ${local.setup_job_name} already exists."
+fi
+EOT
+    }
 
-    access_config {
-      // Ephemeral public IP
+    # Now that the jobs definitely exist, execute them.
+    step {
+      id     = "execute-setup-job"
+      name   = local.gcloud_step_container
+      script = "gcloud run jobs execute ${local.setup_job_name} --wait --region ${var.region} --project ${var.project_id}"
     }
-  }
 
-  service_account {
-    email  = google_service_account.compute[0].email
-    scopes = ["cloud-platform"] # TODO: Restrict??
-  }
+    step {
+      id     = "execute-client-job"
+      name   = local.gcloud_step_container
+      script = "gcloud run jobs execute ${local.client_job_name} --wait --region ${var.region} --project ${var.project_id}"
+    }
 
-  metadata_startup_script = <<EOT
+    # Ensure any cached versions of the application are purged
+    # Preemptively warm up the server API
+    step {
+      id     = "purge-and-warmfirebase"
+      name   = "ubuntu"
+      script = <<EOT
 #!/bin/bash
-
-echo "Running placeholder deployment"
-gcloud beta run jobs execute ${google_cloud_run_v2_job.placeholder.name} --wait --project ${var.project_id} --region ${var.region}
+apt-get update && apt-get install curl -y
 curl -X PURGE "${local.firebase_url}/"
-
-shutdown -h now
+curl "${google_cloud_run_v2_service.server.uri}/api/products/?warmup"
 EOT
+    }
+
+    options {
+      logging = "CLOUD_LOGGING_ONLY"
+    }
+  }
+
+  depends_on = [
+    google_sql_database_instance.postgres,
+    google_cloud_run_v2_job.migrate
+  ]
+}
+
+# execute the trigger, once it and other dependencies exist. Intended side-effect.
+# tflint-ignore: terraform_unused_declarations
+data "http" "execute_init_trigger" {
+  count = var.init ? 1 : 0
+
+  url    = "https://cloudbuild.googleapis.com/v1/${google_cloudbuild_trigger.init[0].id}:run"
+  method = "POST"
+  request_headers = {
+    Authorization = "Bearer ${data.google_client_config.current.access_token}"
+  }
+  depends_on = [
+    google_cloudbuild_trigger.init[0],
+  ]
 }
diff --git a/infra/secrets.tf b/infra/secrets.tf
index 97bd7333..bf5b7fdf 100644
--- a/infra/secrets.tf
+++ b/infra/secrets.tf
@@ -39,7 +39,7 @@ resource "google_secret_manager_secret" "django_admin_password" {
 resource "google_secret_manager_secret_iam_binding" "django_admin_password" {
   secret_id = google_secret_manager_secret.django_admin_password.id
   role      = "roles/secretmanager.secretAccessor"
-  members   = [local.automation_SA]
+  members   = ["serviceAccount:${google_service_account.automation.email}"]
 }
 
 resource "google_secret_manager_secret_version" "django_admin_password" {
@@ -56,7 +56,13 @@ resource "random_password" "django_secret_key" {
 resource "google_secret_manager_secret" "django_settings" {
   secret_id = var.random_suffix ? "django_settings-${random_id.suffix.hex}" : "django_settings"
   replication {
-    automatic = true
+    # Avoid conflict with constraints/gcp.resourceLocations for Secret Manager.
+    # https://cloud.google.com/secret-manager/docs/choosing-replication
+    user_managed {
+      replicas {
+        location = var.region
+      }
+    }
   }
   depends_on = [module.project_services]
 }
@@ -74,5 +80,8 @@ EOF
 resource "google_secret_manager_secret_iam_binding" "django_settings" {
   secret_id = google_secret_manager_secret.django_settings.id
   role      = "roles/secretmanager.secretAccessor"
-  members   = [local.server_SA, local.automation_SA]
+  members = [
+    "serviceAccount:${google_service_account.server.email}",
+    "serviceAccount:${google_service_account.automation.email}"
+  ]
 }
diff --git a/infra/storage.tf b/infra/storage.tf
index 6215479a..3b148d14 100644
--- a/infra/storage.tf
+++ b/infra/storage.tf
@@ -26,12 +26,12 @@ resource "google_storage_bucket" "media" {
 
 resource "google_storage_bucket_iam_member" "server" {
   bucket = google_storage_bucket.media.name
-  member = local.server_SA
+  member = "serviceAccount:${google_service_account.server.email}"
   role   = "roles/storage.admin"
 }
 
 resource "google_storage_bucket_iam_member" "automation" {
   bucket = google_storage_bucket.media.name
-  member = local.automation_SA
+  member = "serviceAccount:${google_service_account.automation.email}"
   role   = "roles/storage.admin"
 }
diff --git a/infra/test/setup/iam.tf b/infra/test/setup/iam.tf
index 8e4ff5c5..a7664cd6 100644
--- a/infra/test/setup/iam.tf
+++ b/infra/test/setup/iam.tf
@@ -16,6 +16,7 @@
 
 locals {
   int_required_roles = [
+    "roles/cloudbuild.builds.editor",
     "roles/cloudsql.admin",
     "roles/compute.admin",
     "roles/compute.networkAdmin",
@@ -23,6 +24,7 @@ locals {
     "roles/firebasehosting.admin",
     "roles/iam.serviceAccountAdmin",
     "roles/iam.serviceAccountUser",
+    "roles/pubsub.editor",
     "roles/resourcemanager.projectIamAdmin",
     "roles/run.admin",
     "roles/secretmanager.admin",
diff --git a/infra/variables.tf b/infra/variables.tf
index b7845fc9..de655b9a 100644
--- a/infra/variables.tf
+++ b/infra/variables.tf
@@ -29,6 +29,7 @@ variable "region" {
 
 # HSA
 
+# tflint-ignore: terraform_unused_declarations
 variable "zone" {
   type        = string
   description = "GCP zone for provisioning zonal resources."
@@ -61,7 +62,7 @@ variable "init" {
 
 variable "image_version" {
   type        = string
-  default     = "v1.8.2"
+  default     = "v1.9.0"
   description = "Version of the Container Registry image to use"
 }