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hlaeja-development/doc/k8s-testing.md
2025-07-25 01:24:24 +02:00

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# Hlæja K8s
## Table of Contents
<!-- TOC -->
* [Hlæja K8s](#hlæja-k8s)
* [Table of Contents](#table-of-contents)
* [Initialize](#initialize)
* [Namespace](#namespace)
* [Registry Secret](#registry-secret)
* [Databases](#databases)
* [Postgres](#postgres)
* [Secret](#secret)
* [Config Map](#config-map)
* [Stateful Set](#stateful-set)
* [Service](#service)
<!-- TOC -->
----
## Initialize
### Namespace
Create the Namespace for the environment.
```bash
kubectl apply -f .\kube\01-initialize\01-namespace.yaml
```
---
### Registry Secret
Create repository secret
```bash
kubectl apply -f .\kube\01-initialize\02-registry-secret.yaml
```
**How to make JSON Configuration**
```json=
{
"auths": {
"<your-registry>": {
"username": "<your-username>",
"password": "<your-password>",
"email": "<your-email@example.com>",
"auth": "<base64-of-your-username:your-password>"
}
}
}
```
**Replace Values**
- **Replace** <your-registry>: Use the hostname of your Gitea instance (e.g., registry.example.com).
- **Replace** <your-username>: Use your Gitea username (e.g., user1).
- **Replace** <your-password>: Use your Gitea personal access token generated with read:package scope (e.g., abc123).
- **Replace** <your-email>: Use your email address (e.g., user1@example.com).
**Linux Command**
```bash
echo -n 'your-username:your-password' | base64 -w 0
```
witch gives `eW91ci11c2VybmFtZTp5b3VyLXBhc3N3b3Jk` then we use it in the `auth`
```bash
echo -n '{"auths":{"<your-registry>":{"username":"your-username","password":"your-password","email":"your-email","auth":"eW91ci11c2VybmFtZTp5b3VyLXBhc3N3b3Jk"}}}' | base64 -w 0
```
witch give `eyJhdXRocyI6eyI8eW91ci1yZWdpc3RyeT4iOnsidXNlcm5hbWUiOiJ5b3VyLXVzZXJuYW1lIiwicGFzc3dvcmQiOiJ5b3VyLXBhc3N3b3JkIiwiZW1haWwiOiJ5b3VyLWVtYWlsIiwiYXV0aCI6ImVXOTFjaTExYzJWeWJtRnRaVHA1YjNWeUxYQmhjM04zYjNKayJ9fX0=`
---
## Databases
### Postgres
Remember that you don't run replicas but many instances with its own storage and service.
#### Secret
```bash
kubectl apply -f .\kube\02-databases\01-postgres\01-secret.yaml
```
Set values:
- postgres root password
using something a bit more secure `SCRAM-SHA-256$4096:f/IWlCTGdMT9qOjQlPbWtA==$qePy5ArW+7ykg3yHqW7qYH0j2384OIoV2IcBcz0mIRM=:KuU1xgnAVtOVpCZhdUJlI8F7Viz0ApmYxYEo5yXNCW0=` in this case we use `password`, to make this... use postgres to make a user and password, copy this value and now will use as admin password.
#### Config Map
```bash
kubectl apply -f .\kube\02-databases\01-postgres\02-configmap.yaml
```
Set values:
- postgres root user
#### Stateful Set
This is the specifications for postgres.
```bash
kubectl apply -f .\kube\02-databases\01-postgres\03-statefulset.yaml
```
Set storage size for permanent storage
#### Service
this exposes port and ip.
```bash
kubectl apply -f .\kube\02-databases\01-postgres\04-service.yaml
```