From 3bb5ba4b0267e984a0a214dbae79645ed99c93dc Mon Sep 17 00:00:00 2001
From: moilanik <niko.moilanen@tietoevry.com>
Date: Mon, 8 Jun 2026 11:28:14 +0300
Subject: [PATCH] docs(readme): fix Helm chart values and add main branch
 protection guide

---
 README.md | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/README.md b/README.md
index b3f44ee..2eacf57 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,27 @@
 
 Reusable workflow -kirjasto Gitea Actionsille. Lisätietoja: [docs/](docs/)
 
+## Main-haaran suojaus
+
+Jokaisessa tätä kirjastoa käyttävässä repossa `main`-haara suojataan — koodi päätyy sinne vain PR:n kautta:
+
+```
+Repository → Settings → Branches → Branch Protection → Add Rule
+```
+
+| Osio | Asetus | Arvo |
+|------|--------|------|
+| **Patterns** | Protected Branch Name Pattern | `main` |
+| **Push** | Disable Push | ✓ |
+| **Force Push** | Disable Force Push | ✓ |
+| **Pull Request Approvals** | Required approvals | `1` |
+| | Dismiss stale approvals | ✓ |
+| | Ignore stale approvals | ✓ |
+| | Enable Status Check | ✓ (kun CI on olemassa) |
+| **Pull Request Merge** | Block merge on rejected reviews | ✓ |
+| | Block merge on official review requests | ✓ |
+| | Block merge if pull request is outdated | ✓
+
 ## Gitea Actions runner (K8s / Helm)
 
 Act runner suorittaa Gitea Actions workflowt. Asennus Kubernetes-klusteriin Helm chartilla: