ArgoCD with Kustomize

Thu, 04 Jun 2026 00:00:00 +0900

Here is an example of how Kustomize can be used with Argo CD.

Repo A: contains deployment.yml
Repo B: contains
- kustomization.yml
- patch.yml

deployment.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
  namespace: test
spec:
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/name: nginx
  template:
    metadata:
      labels:
        app.kubernetes.io/name: nginx
    spec:
      containers:
        - name: nginx
          image: nginx

kustomization.yml

apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization

resources:
  - https://github.com/your-org/repo-a//path/to/deployment.yml?ref=v1.0.0

patches:
  - path: ./patch.yml

NOTE: double slash in resources URL is intentional

patch.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
  namespace: test
spec:
  replicas: 2

ArgoCD application:

Argo CD on Maxime Moreillon

ArgoCD with Kustomize