diff --git a/script/helm/garage/templates/configmap.yaml b/script/helm/garage/templates/configmap.yaml
index bfcd5d8c..5cc7a45e 100644
--- a/script/helm/garage/templates/configmap.yaml
+++ b/script/helm/garage/templates/configmap.yaml
@@ -4,28 +4,4 @@ metadata:
   name: {{ include "garage.fullname" . }}-config
 data:
   garage.toml: |-
-    metadata_dir = "{{ .Values.garage.metadataDir }}"
-    data_dir = "{{ .Values.garage.dataDir }}"
-
-    replication_mode = "{{ .Values.garage.replicationMode }}"
-
-    rpc_bind_addr = "{{ .Values.garage.rpcBindAddr }}"
-    # rpc_secret will be populated by the init container from a k8s secret object
-    rpc_secret = "__RPC_SECRET_REPLACE__"
-
-    bootstrap_peers = {{ .Values.garage.bootstrapPeers }}
-
-    [kubernetes_discovery]
-    namespace = "{{ .Release.Namespace }}"
-    service_name = "{{ include "garage.fullname" . }}"
-    skip_crd = {{ .Values.garage.kubernetesSkipCrd }}
-
-    [s3_api]
-    s3_region = "{{ .Values.garage.s3.api.region }}"
-    api_bind_addr = "[::]:3900"
-    root_domain = "{{ .Values.garage.s3.api.rootDomain }}"
-
-    [s3_web]
-    bind_addr = "[::]:3902"
-    root_domain = "{{ .Values.garage.s3.web.rootDomain }}"
-    index = "{{ .Values.garage.s3.web.index }}"
+    {{- tpl (index (index .Values.garage) "garage.toml") $ | nindent 4 }}
diff --git a/script/helm/garage/values.yaml b/script/helm/garage/values.yaml
index 52f1910a..a60fa569 100644
--- a/script/helm/garage/values.yaml
+++ b/script/helm/garage/values.yaml
@@ -22,6 +22,35 @@ garage:
     web:
       rootDomain: ".web.garage.tld"
       index: "index.html"
+  # Template for the garage configuration
+  # Values can be templated
+  # ref: https://garagehq.deuxfleurs.fr/documentation/reference-manual/configuration/
+  garage.toml: |-
+    metadata_dir = "{{ .Values.garage.metadataDir }}"
+    data_dir = "{{ .Values.garage.dataDir }}"
+
+    replication_mode = "{{ .Values.garage.replicationMode }}"
+
+    rpc_bind_addr = "{{ .Values.garage.rpcBindAddr }}"
+    # rpc_secret will be populated by the init container from a k8s secret object
+    rpc_secret = "__RPC_SECRET_REPLACE__"
+
+    bootstrap_peers = {{ .Values.garage.bootstrapPeers }}
+
+    [kubernetes_discovery]
+    namespace = "{{ .Release.Namespace }}"
+    service_name = "{{ include "garage.fullname" . }}"
+    skip_crd = {{ .Values.garage.kubernetesSkipCrd }}
+
+    [s3_api]
+    s3_region = "{{ .Values.garage.s3.api.region }}"
+    api_bind_addr = "[::]:3900"
+    root_domain = "{{ .Values.garage.s3.api.rootDomain }}"
+
+    [s3_web]
+    bind_addr = "[::]:3902"
+    root_domain = "{{ .Values.garage.s3.web.rootDomain }}"
+    index = "{{ .Values.garage.s3.web.index }}"
 
 # Data persistence
 persistence: