docs: improve readmes and add example

charts/immich/README.md

@@ -1,9 +1,55 @@
 # Immich
 
-> [!WARNING]
-> This chart is in alpha state and should be used with care.
-> It is under heavy development.
-
-
 This chart deploys [Immich](https://immich.app/) and 
-is targeted at an audience which wants to have some lower level control over the deployment. 
+is targeted at an audience which wants to have some lower level control over the deployment. 
+
+## Prerequisites
+This chart requires:
+- a PostgreSQL database with `pgvector` or `pgvector.rs` extension installed
+- a Redis instance
+
+## Usage
+You can install this chart by running the following command:
+
+```bash
+helm repo add secustor https://secustor.dev/helm-charts
+helm install my-release secustor/immich
+# or directly the OCI registry
+helm install my-release oci://ghcr.io/secustor/helm-charts/immich
+```
+
+## Example
+This example assumes that the CloudNativePG operator has been deployed and configured.
+
+You will:
+- Create secrets for PostgreSQL and Redis
+- Request a PostgreSQL instance with the `pgvector` extension
+- Deploy a Redis instance
+- Deploy Immich
+
+value files can be found in the [`example`](./example) directory.
+
+### PostgreSQL
+This assumes you have [CloudNativePG](https://cloudnative-pg.io/)
+installed and configured.
+
+```bash
+kubectl create -f example/postgres.yaml
+```
+
+### Redis
+Create the static password secret for Redis.
+```bash
+kubectl create -f example/redis-secret.yaml
+```
+
+Install the Redis chart.
+```bash
+helm install immich-redis registry-1.docker.io/bitnamicharts/redis -f example/redis-values.yaml
+```
+
+### Immich
+Install the Immich chart.
+```bash
+helm install immich oci://ghcr.io/secustor/helm-charts/immich -f example/immich-values.yaml
+```