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Add envFromSecret to support loading environment variables from a K8S Secret #97

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Add envFromSecret to support loading environment variables from a K8S Secret #97

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b99ac33
Add envFromSecret value and docs
Oct 6, 2023
3f3a10d
Add envFromSecret value and docs
Oct 6, 2023
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9 changes: 9 additions & 0 deletions charts/localstack/README.md
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Expand Up @@ -54,6 +54,14 @@ extraEnvVars:
value: "<your api key>"
```

You can also load the key from a Kubernetes secret:
```yaml
envFromSecret:
- name: LOCALSTACK_API_KEY
secret: localstack-secrets
key: API_KEY
```

And you can use these values when installing the chart in your cluster:
```bash
$ helm repo add localstack-charts https://localstack.github.io/helm-charts
Expand Down Expand Up @@ -116,6 +124,7 @@ The following table lists the configurable parameters of the Localstack chart an
| `mountDind.image` | Specify DinD image tag | `docker:20.10-dind` |
| `volumes` | Extra volumes to mount | `[]` |
| `volumeMounts` | Extra volumes to mount | `[]` |
| `envFromSecret` | Specify environment variables from a Kubernetes Secret | `[]`

[k8s-probe]: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#configure-probes

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7 changes: 7 additions & 0 deletions charts/localstack/templates/deployment.yaml
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Expand Up @@ -116,6 +116,13 @@ spec:
valueFrom:
fieldRef:
fieldPath: metadata.namespace
{{- range .Values.envFromSecret }}
- name: {{ .name }}
valueFrom:
secretKeyRef:
name: {{ .secret }}
key: {{ .key }}
{{- end }}
{{- if include "localstack.lambda.labels" . }}
- name: LAMBDA_K8S_LABELS
value: {{ include "localstack.lambda.labels" . | quote }}
Expand Down