diff --git a/.github/workflows/dev_on_workflow_deploy_pullrequests.yml b/.github/workflows/dev_on_workflow_deploy_pullrequests.yml
index a8cb9b411ab..de2bd4592ea 100644
--- a/.github/workflows/dev_on_workflow_deploy_pullrequests.yml
+++ b/.github/workflows/dev_on_workflow_deploy_pullrequests.yml
@@ -256,3 +256,27 @@ jobs:
           app_name: pcapi-pr-${{ github.event.pull_request.number }}
           argocd_app_wait: true
           prune: true
+
+      - name: "Run sandbox"
+        run: |
+          set -e
+          VERSION="${{ inputs.app_version }}"
+          export ENVIRONMENT="${{ inputs.environment }}"
+          IMAGE="europe-west1-docker.pkg.dev/passculture-infra-prod/pass-culture-artifact-registry/pcapi"
+          export IMAGE="${IMAGE}:${VERSION}"
+          export PRID=${{ github.event.pull_request.number }}
+
+          echo "=== exec: flask sandbox -n industrial"
+          export DATE=$(date +"%Y-%m-%d-%H-%M-%S")
+          start=$(date +%s.%N)
+          envsubst < .github/workflows/templates/pullrequest-db-init-05.yaml | kubectl -n pcapi-pr-${{ github.event.pull_request.number }} apply -f -
+          while true;
+          do
+          kubectl logs -n pcapi-pr-${{ github.event.pull_request.number }} -f jobs/pullrequest-db-init-05-${DATE} && break
+          done
+          kubectl wait --for=condition=complete --timeout=1800s -n pcapi-pr-${{ github.event.pull_request.number }} jobs/pullrequest-db-init-05-${DATE}
+          end=$(date +%s.%N)
+          duration=`date -d@$(bc <<< "$end - $start") -u +%H:%M:%S`
+          {
+            echo "| flask sandbox -n industrial    |  $duration |"
+          } >> $GITHUB_STEP_SUMMARY
diff --git a/.github/workflows/templates/pullrequest-db-init-01.yaml b/.github/workflows/templates/pullrequest-db-init-01.yaml
index be9527313b6..7ce635fe75f 100644
--- a/.github/workflows/templates/pullrequest-db-init-01.yaml
+++ b/.github/workflows/templates/pullrequest-db-init-01.yaml
@@ -27,13 +27,11 @@ spec:
         envFrom:
         - configMapRef:
             name: testing-pcapi-api
-            optional: true
         - configMapRef:
             name: testing-pcapi-api-specific
             optional: true
         - secretRef:
             name: testing-pcapi
-            optional: true
         - secretRef:
             name: testing-pcapi-pgsql
         command:
diff --git a/.github/workflows/templates/pullrequest-db-init-02.yaml b/.github/workflows/templates/pullrequest-db-init-02.yaml
index b337028b4ed..b5f366f6be2 100644
--- a/.github/workflows/templates/pullrequest-db-init-02.yaml
+++ b/.github/workflows/templates/pullrequest-db-init-02.yaml
@@ -27,13 +27,11 @@ spec:
         envFrom:
         - configMapRef:
             name: testing-pcapi-api
-            optional: true
         - configMapRef:
             name: testing-pcapi-api-specific
             optional: true
         - secretRef:
             name: testing-pcapi
-            optional: true
         - secretRef:
             name: testing-pcapi-pgsql
         command:
diff --git a/.github/workflows/templates/pullrequest-db-init-03.yaml b/.github/workflows/templates/pullrequest-db-init-03.yaml
index c92a4471972..bc605401988 100644
--- a/.github/workflows/templates/pullrequest-db-init-03.yaml
+++ b/.github/workflows/templates/pullrequest-db-init-03.yaml
@@ -27,13 +27,11 @@ spec:
         envFrom:
         - configMapRef:
             name: testing-pcapi-api
-            optional: true
         - configMapRef:
             name: testing-pcapi-api-specific
             optional: true
         - secretRef:
             name: testing-pcapi
-            optional: true
         - secretRef:
             name: testing-pcapi-pgsql
         command:
diff --git a/.github/workflows/templates/pullrequest-db-init-05.yaml b/.github/workflows/templates/pullrequest-db-init-05.yaml
index 9b729526764..67dbbe33622 100644
--- a/.github/workflows/templates/pullrequest-db-init-05.yaml
+++ b/.github/workflows/templates/pullrequest-db-init-05.yaml
@@ -27,13 +27,11 @@ spec:
         envFrom:
         - configMapRef:
             name: testing-pcapi-api
-            optional: true
         - configMapRef:
             name: testing-pcapi-api-specific
             optional: true
         - secretRef:
             name: testing-pcapi
-            optional: true
         - secretRef:
             name: testing-pcapi-pgsql
         command:
diff --git a/.github/workflows/templates/pullrequest-db-init.yaml b/.github/workflows/templates/pullrequest-db-init.yaml
index 00603c00813..e9f10992e87 100644
--- a/.github/workflows/templates/pullrequest-db-init.yaml
+++ b/.github/workflows/templates/pullrequest-db-init.yaml
@@ -26,13 +26,11 @@ spec:
         envFrom:
         - configMapRef:
             name: testing-pcapi-api
-            optional: true
         - configMapRef:
             name: testing-pcapi-api-specific
             optional: true
         - secretRef:
             name: testing-pcapi
-            optional: true
         - secretRef:
             name: testing-pcapi-pgsql
         command: