diff --git a/infra/cert-manager.yaml b/infra/cert-manager.yaml
new file mode 100644
index 0000000..8e825d4
--- /dev/null
+++ b/infra/cert-manager.yaml
@@ -0,0 +1,34 @@
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: cert-manager
+---
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: cert-manager
+  namespace: cert-manager
+spec:
+  interval: 24h
+  url: https://charts.jetstack.io
+---
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: cert-manager
+  namespace: cert-manager
+spec:
+  interval: 30m
+  chart:
+    spec:
+      chart: cert-manager
+      version: 1.17.0
+      sourceRef:
+        kind: HelmRepository
+        name: cert-manager
+        namespace: cert-manager
+      interval: 12h
+  values:
+    crds:
+      enabled: true
diff --git a/infra/kustomization.yaml b/infra/kustomization.yaml
index 3a773ad..0619c4e 100644
--- a/infra/kustomization.yaml
+++ b/infra/kustomization.yaml
@@ -3,3 +3,4 @@ kind: Kustomization
 resources:
   - nginx.yaml
   - dns-public.yaml
+  - cert-manager.yaml