diff --git a/.ats/main.yaml b/.ats/main.yaml
new file mode 100644
index 0000000..7f52e45
--- /dev/null
+++ b/.ats/main.yaml
@@ -0,0 +1,36 @@
+app-tests-app-config-file: tests/test-values.yaml
+app-tests-deploy-namespace: monitoring
+
+smoke-tests-cluster-type: kind
+
+upgrade-tests-cluster-type: kind
+upgrade-tests-app-catalog-url: https://giantswarm.github.io/control-plane-catalog
+upgrade-tests-app-config-file: tests/test-values.yaml
+
+skip-steps: [functional]
+
+# --------
+# Uncomment values below this line to be able to execute app-test-suite against an externally created
+# Kubernetes cluster.
+# Comment out everything above
+
+# If you  want to create a kind cluster, use the line below
+# kind create cluster --config tests/kind-config.yaml --kubeconfig kube.config
+# --------
+
+# app-tests-app-config-file: tests/test-values.yaml
+# app-tests-deploy-namespace: loki
+
+# upgrade-tests-app-catalog-url: https://giantswarm.github.io/giantswarm-catalog
+# upgrade-tests-app-config-file: tests/test-values.yaml
+
+# skip-steps: [functional, upgrade]
+
+# smoke-tests-cluster-type: external
+# functional-tests-cluster-type: external
+# upgrade-tests-cluster-type: external
+# external-cluster-kubeconfig-path: kube.config
+# external-cluster-type: kind
+# external-cluster-version: 1.24.0
+
+# app-tests-skip-app-delete: "Yes"
diff --git a/.circleci/config.yml b/.circleci/config.yml
index cd597bd..de022e6 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,44 +3,58 @@ version: 2.1
 orbs:
   architect: giantswarm/architect@5.8.0
 
+jobs:
+  template-chart:
+    docker:
+      - image: giantswarm/helm-chart-testing:v3.11.0
+    steps:
+      - checkout
+      - run: |-
+          cd helm/alloy
+          helm dep up
+          helm template .
+
 workflows:
   build:
     jobs:
+      - template-chart:
+          name: "template-chart-test"
+          filters:
+            branches:
+              ignore:
+                - main
+
       # Ensure that for every commit to master and for every
       # release tag, there is an app version in the catalog.
       - architect/push-to-app-catalog:
           context: architect
-          name: push-sloth-app-to-control-plane-catalog-master
+          name: package-and-push-chart
           app_catalog: "control-plane-catalog"
           app_catalog_test: "control-plane-test-catalog"
           chart: "sloth"
+          persist_chart_archive: true
           filters:
             tags:
               only: /^v.*/
-      - architect/push-to-app-collection:
-          name: aws-app-collection
-          context: "architect"
-          app_catalog: control-plane-catalog
-          app_name: "sloth"
-          app_namespace: monitoring
-          app_collection_repo: "aws-app-collection"
+
+      - architect/run-tests-with-ats:
+          name: run-tests-with-ats
           requires:
-            - push-sloth-app-to-control-plane-catalog-master
+            - "package-and-push-chart"
           filters:
             branches:
-              ignore: /.*/
-            tags:
-              only: /^v.*/
+              ignore:
+                - main
 
       - architect/push-to-app-collection:
-          name: azure-app-collection
+          name: aws-app-collection
           context: "architect"
           app_catalog: control-plane-catalog
           app_name: "sloth"
           app_namespace: monitoring
-          app_collection_repo: "azure-app-collection"
+          app_collection_repo: "aws-app-collection"
           requires:
-            - push-sloth-app-to-control-plane-catalog-master
+            - run-tests-with-ats
           filters:
             branches:
               ignore: /.*/
@@ -55,7 +69,7 @@ workflows:
           app_namespace: monitoring
           app_collection_repo: "vsphere-app-collection"
           requires:
-            - push-sloth-app-to-control-plane-catalog-master
+            - run-tests-with-ats
           filters:
             branches:
               ignore: /.*/
@@ -70,7 +84,7 @@ workflows:
           app_namespace: monitoring
           app_collection_repo: "cloud-director-app-collection"
           requires:
-            - push-sloth-app-to-control-plane-catalog-master
+            - run-tests-with-ats
           filters:
             branches:
               ignore: /.*/
@@ -85,7 +99,7 @@ workflows:
           app_namespace: monitoring
           app_collection_repo: "capa-app-collection"
           requires:
-            - push-sloth-app-to-control-plane-catalog-master
+            - run-tests-with-ats
           filters:
             branches:
               ignore: /.*/
@@ -100,24 +114,10 @@ workflows:
           app_namespace: monitoring
           app_collection_repo: "capz-app-collection"
           requires:
-            - push-sloth-app-to-control-plane-catalog-master
+            - run-tests-with-ats
           filters:
             branches:
               ignore: /.*/
             tags:
               only: /^v.*/
 
-      - architect/push-to-app-collection:
-          context: architect
-          name: push-to-gcp-app-collection
-          app_catalog: control-plane-catalog
-          app_name: "sloth"
-          app_namespace: monitoring
-          app_collection_repo: "gcp-app-collection"
-          requires:
-            - push-sloth-app-to-control-plane-catalog-master
-          filters:
-            branches:
-              ignore: /.*/
-            tags:
-              only: /^v.*/()
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 421dc49..b8e3546 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,11 @@ and this project's packages adheres to [Semantic Versioning](http://semver.org/s
 
 ## [Unreleased]
 
+### Added
+
+- Add helm chart templating test in ci pipeline.
+- Add tests with ats in ci pipeline.
+
 ## [1.4.5] - 2024-06-12
 
 ### Changed
diff --git a/tests/ats/Pipfile b/tests/ats/Pipfile
new file mode 100644
index 0000000..35ef235
--- /dev/null
+++ b/tests/ats/Pipfile
@@ -0,0 +1,10 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+[packages]
+pytest-helm-charts = ">=1.0.2"
+pytest = ">=6.2.5"
+pykube-ng = ">=22.1.0"
+[requires]
+python_version = "3.9"
diff --git a/tests/ats/Pipfile.lock b/tests/ats/Pipfile.lock
new file mode 100644
index 0000000..c9083a5
--- /dev/null
+++ b/tests/ats/Pipfile.lock
@@ -0,0 +1,359 @@
+{
+  "_meta": {
+      "hash": {
+          "sha256": "5773e715b0013edff328bf43351daa2cc4e94bf83adb158a3246e7f43ed206b2"
+      },
+      "pipfile-spec": 6,
+      "requires": {
+          "python_version": "3.9"
+      },
+      "sources": [
+          {
+              "name": "pypi",
+              "url": "https://pypi.org/simple",
+              "verify_ssl": true
+          }
+      ]
+  },
+  "default": {
+      "certifi": {
+          "hashes": [
+              "sha256:922820b53db7a7257ffbda3f597266d435245903d80737e34f8a45ff3e3230d8",
+              "sha256:bec941d2aa8195e248a60b31ff9f0558284cf01a52591ceda73ea9afffd69fd9"
+          ],
+          "markers": "python_version >= '3.6'",
+          "version": "==2024.8.30"
+      },
+      "charset-normalizer": {
+          "hashes": [
+              "sha256:06435b539f889b1f6f4ac1758871aae42dc3a8c0e24ac9e60c2384973ad73027",
+              "sha256:06a81e93cd441c56a9b65d8e1d043daeb97a3d0856d177d5c90ba85acb3db087",
+              "sha256:0a55554a2fa0d408816b3b5cedf0045f4b8e1a6065aec45849de2d6f3f8e9786",
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+              "sha256:10955842570876604d404661fbccbc9c7e684caf432c09c715ec38fbae45ae09",
+              "sha256:122c7fa62b130ed55f8f285bfd56d5f4b4a5b503609d181f9ad85e55c89f4185",
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+          "markers": "python_full_version >= '3.7.0'",
+          "version": "==3.3.2"
+      },
+      "deprecated": {
+          "hashes": [
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+          "version": "==1.2.14"
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+          "version": "==2.0.0"
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+              "sha256:5b8f2217dbdbd2f7f384c41c628544e6d52f2d0f53c6d0c3ea61aa5d1d7ff124"
+          ],
+          "markers": "python_version >= '3.8'",
+          "version": "==24.1"
+      },
+      "pluggy": {
+          "hashes": [
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+              "sha256:44e1ad92c8ca002de6377e165f3e0f1be63266ab4d554740532335b9d75ea669"
+          ],
+          "markers": "python_version >= '3.8'",
+          "version": "==1.5.0"
+      },
+      "pykube-ng": {
+          "hashes": [
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+              "sha256:63f20f634bfcd83966edec32f892286f75dffb817a2c097434ecc039e558ec8f"
+          ],
+          "index": "pypi",
+          "markers": "python_version >= '3.8' and python_version < '4'",
+          "version": "==23.6.0"
+      },
+      "pytest": {
+          "hashes": [
+              "sha256:4ba08f9ae7dcf84ded419494d229b48d0903ea6407b030eaec46df5e6a73bba5",
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+              "sha256:ffa565331890b90056c01db69c0fe634a776f8019c143a5ae265f9c6bc4bd6d4"
+          ],
+          "markers": "python_version >= '3.6'",
+          "version": "==1.16.0"
+      }
+  },
+  "develop": {}
+}
diff --git a/tests/ats/pytest.ini b/tests/ats/pytest.ini
new file mode 100644
index 0000000..8511972
--- /dev/null
+++ b/tests/ats/pytest.ini
@@ -0,0 +1,6 @@
+[pytest]
+markers =
+    smoke
+    functional
+    upgrade
+    flaky
diff --git a/tests/ats/test_sloth.py b/tests/ats/test_sloth.py
new file mode 100644
index 0000000..3bd6e6d
--- /dev/null
+++ b/tests/ats/test_sloth.py
@@ -0,0 +1,73 @@
+import logging
+from typing import List, Tuple
+
+import pytest
+import pykube
+from pytest_helm_charts.clusters import Cluster
+from pytest_helm_charts.k8s.stateful_set import wait_for_stateful_sets_to_run
+
+
+logger = logging.getLogger(__name__)
+
+namespace_name = "monitoring"
+statefulset_name = "sloth"
+
+timeout: int = 900
+
+@pytest.mark.smoke
+def test_api_working(kube_cluster: Cluster) -> None:
+    """Very minimalistic example of using the [kube_cluster](pytest_helm_charts.fixtures.kube_cluster)
+    fixture to get an instance of [Cluster](pytest_helm_charts.clusters.Cluster) under test
+    and access its [kube_client](pytest_helm_charts.clusters.Cluster.kube_client) property
+    to get access to Kubernetes API of cluster under test.
+    Please refer to [pykube](https://pykube.readthedocs.io/en/latest/api/pykube.html) to get docs
+    for [HTTPClient](https://pykube.readthedocs.io/en/latest/api/pykube.html#pykube.http.HTTPClient).
+    """
+    assert kube_cluster.kube_client is not None
+    assert len(pykube.Node.objects(kube_cluster.kube_client)) >= 1
+
+# scope "module" means this is run only once, for the first test case requesting! It might be tricky
+# if you want to assert this multiple times
+# -- Checking that mimir's statefulset is present on the cluster
+@pytest.fixture(scope="module")
+def components(kube_cluster: Cluster) -> List[pykube.StatefulSet]:
+    logger.info("Waiting for sloth statefulset component to be deployed..")
+
+    components_ready = wait_for_components(kube_cluster)
+
+    logger.info("sloth component are deployed..")
+
+    return components_ready
+
+def wait_for_components(kube_cluster: Cluster) -> List[pykube.StatefulSet]:
+    statefulsets = wait_for_stateful_sets_to_run(
+        kube_cluster.kube_client,
+        [statefulset_name],
+        namespace_name,
+        timeout,
+    )
+    return (statefulsets)
+
+@pytest.fixture(scope="module")
+def pods(kube_cluster: Cluster) -> List[pykube.Pod]:
+    pods = pykube.Pod.objects(kube_cluster.kube_client)
+
+    pods = pods.filter(
+      namespace = namespace_name,
+      selector = {
+        'app.kubernetes.io/name': 'sloth', 'app.kubernetes.io/instance': 'sloth'
+      }
+    )
+
+    return pods
+
+# when we start the tests on circleci, we have to wait for pods to be available, hence
+# this additional delay and retries
+# -- Checking that all pods from sloth's statefulset are available (i.e in "Ready" state)
+@pytest.mark.smoke
+@pytest.mark.upgrade
+@pytest.mark.flaky(reruns=5, reruns_delay=10)
+def test_pods_available(components: List[pykube.StatefulSet]):
+    # loop over the list of deployments
+    for d in components:
+        assert int(d.obj["status"]["readyReplicas"]) == int(d.obj["spec"]["replicas"])
diff --git a/tests/test-values.yaml b/tests/test-values.yaml
new file mode 100644
index 0000000..e69de29