Example Apps to Demonstrate Argo CD
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# Helm Dependencies
This example application demonstrates how an OTS (off-the-shelf) helm chart can be retrieved and
pinned to a specific helm sem version from an upstream helm repository, and customized using a custom
values.yaml in the private git repository.
In this example, the wordpress application is pulled from the stable helm repo, and pinned to v5.0.2:
```yaml
dependencies:
- name: wordpress
version: 5.0.2
repository: https://kubernetes-charts.storage.googleapis.com
```
A custom values.yaml is used to customize the parameters of the wordpress helm chart:
```yaml
wordpress:
wordpressPassword: foo
mariadb:
db:
password: bar
rootUser:
password: baz
```
### Subchart Note
The wordpress chart referenced in this example contains a subchart for mariadb as specified in the requirements.yaml file of the wordpress chart:
```yaml
- name: mariadb
version: 5.x.x
repository: https://kubernetes-charts.storage.googleapis.com/
condition: mariadb.enabled
tags:
- wordpress-database
```
In order to disable this chart, you must set the value to false for both `mariadb.enabled` and `wordpress.mariadb.enabled` . The first is used by the mariadb subchart condition field, the second is used by the wordpress chart deployment template. An example demonstration is available in the values-nomaria.yaml file:
```yaml
mariadb:
enabled: false
wordpress:
wordpressPassword: foo
mariadb:
enabled: false
externalDatabase:
host: localhost
user: bn_wordpress
password: ""
database: bitnami_wordpress
port: 3306
```
