diff --git a/charts/open-meteo-service/templates/_helpers.tpl b/charts/open-meteo-service/templates/_helpers.tpl
index 1319e73..c071db1 100644
--- a/charts/open-meteo-service/templates/_helpers.tpl
+++ b/charts/open-meteo-service/templates/_helpers.tpl
@@ -25,3 +25,12 @@ app.kubernetes.io/managed-by: {{ .Release.Service }}
 {{- define "open-meteo-service.grafanaFullname" -}}
 {{- printf "%s-grafana" (include "open-meteo-service.fullname" .) | trunc 63 | trimSuffix "-" -}}
 {{- end -}}
+
+{{/*
+Selector labels for API component
+*/}}
+{{- define "open-meteo-service.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "open-meteo-service.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+app.kubernetes.io/component: api
+{{- end -}}
diff --git a/charts/open-meteo-service/templates/app-deployment.yaml b/charts/open-meteo-service/templates/app-deployment.yaml
index 4014f0d..36ac147 100644
--- a/charts/open-meteo-service/templates/app-deployment.yaml
+++ b/charts/open-meteo-service/templates/app-deployment.yaml
@@ -4,16 +4,17 @@ metadata:
   name: {{ include "open-meteo-service.fullname" . }}
   labels:
     {{- include "open-meteo-service.labels" . | nindent 4 }}
+    app.kubernetes.io/component: api
 spec:
   replicas: {{ .Values.replicaCount }}
   selector:
     matchLabels:
-      app.kubernetes.io/name: {{ include "open-meteo-service.name" . }}
-      app.kubernetes.io/instance: {{ .Release.Name }}
+      {{- include "open-meteo-service.selectorLabels" . | nindent 6 }}
   template:
     metadata:
       labels:
         {{- include "open-meteo-service.labels" . | nindent 8 }}
+        app.kubernetes.io/component: api
       annotations:
         {{- toYaml .Values.podAnnotations | nindent 8 }}
     spec:
diff --git a/charts/open-meteo-service/templates/service.yaml b/charts/open-meteo-service/templates/service.yaml
index 51865c0..3c91b8d 100644
--- a/charts/open-meteo-service/templates/service.yaml
+++ b/charts/open-meteo-service/templates/service.yaml
@@ -4,6 +4,7 @@ metadata:
   name: {{ include "open-meteo-service.fullname" . }}
   labels:
     {{- include "open-meteo-service.labels" . | nindent 4 }}
+    app.kubernetes.io/component: api
 spec:
   type: {{ .Values.service.type }}
   ports:
@@ -12,5 +13,4 @@ spec:
       protocol: TCP
       name: http
   selector:
-    app.kubernetes.io/name: {{ include "open-meteo-service.name" . }}
-    app.kubernetes.io/instance: {{ .Release.Name }}
+    {{- include "open-meteo-service.selectorLabels" . | nindent 4 }}