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Using Registry with Kubernetes

2026-02-08

Pulling private images in Kubernetes requires a Secret with registry credentials. Here's the minimal setup that works.

Tip: use imagePullSecretsCreate a Kubernetes secret from your registry credentials: kubectl create secret docker-registry fastpanel-registry --docker-server=registry.fastpanel.app --docker-username=YOUR_USER --docker-password=YOUR_TOKEN then reference it in your Deployment spec.

Create an image pull secret

kubectl create secret docker-registry fastpanel-registry   --docker-server=registry.fastpanel.app   --docker-username=your-team   --docker-password=fp_token_xxx   --namespace=production

Reference in your Deployment

spec:
  imagePullSecrets:
    - name: fastpanel-registry
  containers:
    - name: app
      image: registry.fastpanel.app/your-team/myapp:v1.2.3

Service account-level pull secrets

Instead of adding imagePullSecrets to every deployment, patch the default service account:

kubectl patch serviceaccount default   -p '{"imagePullSecrets": [{"name": "fastpanel-registry"}]}'   -n production

Now all pods in the production namespace will automatically use the registry credentials.