From 016ad2851240e137e00d57df93bf7b8ef40202b7 Mon Sep 17 00:00:00 2001
From: Dominik Chilla <dominik@zwackl.de>
Date: Sun, 30 Aug 2020 20:18:22 +0200
Subject: [PATCH] Namespaces and resource limits

---
 README.md | 95 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 95 insertions(+)

diff --git a/README.md b/README.md
index 654aa67..fb1c62d 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,10 @@
   * [Stick the nginx-ingress controler and my-nginx app together](#stick-nginx-ingress-and-tcp-service)
   * [Test exposed app on TCP-port 9000](#test-nginx-ingress-and-tcp-service)
 * [Running DaemonSets on `hostPort`](#running-daemonsets)
+* [Namespaces and resource limits](#namespaces)
+  * [devel](#namespace-devel)
+  * [staging](#namespace-staging)
+  * [prod](#namespace-prod)
 * [HELM charts](#helm)
   * [Create a chart](#helm-create)
   * [Install local chart without packaging](#helm-install-without-packaging)
@@ -319,6 +323,97 @@ spec:
     type: RollingUpdate
 ```
 
+# Namespaces and resource limits <a name="namespaces"></a>
+## devel <a name="namespace-devel"></a>
+namespace-devel.yml:
+```
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: devel
+  labels:
+    name: devel
+```
+`kubectl apply -f namespace-devel.yml`
+
+namespace-devel-limitranges.yaml:
+```
+apiVersion: v1
+kind: LimitRange
+metadata:
+  name: limit-range-staging
+spec:
+  limits:
+  - max:
+      cpu: 500m
+      memory: 1Gi
+    min:
+      cpu: 10m
+      memory: 4Mi
+    type: Container
+```
+`kubectl apply -f namespace-devel-limitranges.yaml -n devel`
+
+## staging <a name="namespace-staging"></a>
+namespace-staging.yml:
+```
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: staging
+  labels:
+    name: staging
+```
+`kubectl apply -f namespace-staging.yml`
+
+namespace-staging-limitranges.yaml:
+```
+apiVersion: v1
+kind: LimitRange
+metadata:
+  name: limit-range-staging
+spec:
+  limits:
+  - max:
+      cpu: 500m
+      memory: 1Gi
+    min:
+      cpu: 10m
+      memory: 4Mi
+    type: Container
+```
+`kubectl apply -f namespace-staging-limitranges.yaml -n staging`
+
+## prod <a name="namespace-prod"></a>
+namespace-prod.yml:
+```
+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: prod
+  labels:
+    name: prod
+```
+`kubectl apply -f namespace-prod.yml`
+
+namespace-prod-limitranges.yaml:
+```
+apiVersion: v1
+kind: LimitRange
+metadata:
+  name: limit-range-prod
+spec:
+  limits:
+  - min:
+      cpu: 10m
+      memory: 4Mi
+    type: Container
+```
+`kubectl apply -f namespace-prod-limitranges.yaml -n prod`
+
 # HELM charts <a name="helm"></a>
 Docs:
 * https://helm.sh/docs/intro/using_helm/