othe changes

.gitignore

@@ -0,0 +1,2 @@
+
+.odo

README.md

@@ -153,3 +153,34 @@ selector:
 
 Save and exit. 
 
+## ConfigMap 
+
+`kubectl set env deployment/devoxxfr23-v2 GREETING=hola`
+
+`kubectl create cm my-config --from-env-file=my.properties`
+
+`kubectl apply -f manifests/devoxxfr23-v1-deployment-configmap`
+
+## Secret
+
+`kubectl create secret generic mysecret --from-literal=user='MyUserName' --from-literal=password='mypassword'`
+
+`kubectl get secret mysecret -o yaml`
+
+`kubectl replace -f manifests/devoxxfr23-v1-deployment-secrets.yml`
+
+## Taint
+
+`kubectl describe nodes | egrep "Name:|Taints:"`
+
+`kubectl taint nodes --all=true color=blue:NoSchedule`
+
+`kubectl taint node devnation-m02 color:NoSchedule- `
+
+`kubectl taint nodes --all=true color=blue:NoSchedule --overwrite`
+
+`kubectl label nodes devnation-m02 color=blue `
+
+
+
+

manifests/devoxxfr23-v1-deployment-affinity.yml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app.kubernetes.io/name: devoxxfr23
+  name: devoxxfr23
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: devoxxfr23
+      app.kubernetes.io/version: "1.0"
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: devoxxfr23
+        app.kubernetes.io/version: "1.0"
+    spec:
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution: 
+            nodeSelectorTerms:
+            - matchExpressions:
+              - key: color
+                operator: In
+                values:
+                - blue 
+      containers:
+        - image: sebi2706/devoxxfr23:1.0
+          imagePullPolicy: Always
+          name: devoxxfr23
+          ports:
+            - containerPort: 8080
+              name: http
+              protocol: TCP
+          resources:
+            requests: 
+              memory: "300Mi" 
+              cpu: "750m" # 10 cores
+            limits:
+              memory: "500Mi"
+              cpu: "1000m"

manifests/devoxxfr23-v1-deployment-secrets.yml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app.kubernetes.io/name: devoxxfr23
+  name: devoxxfr23
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: devoxxfr23
+      app.kubernetes.io/version: "1.0"
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: devoxxfr23
+        app.kubernetes.io/version: "1.0"
+    spec:
+      containers:
+        - image: sebi2706/devoxxfr23:1.0
+          imagePullPolicy: Always
+          name: devoxxfr23
+          ports:
+            - containerPort: 8080
+              name: http
+              protocol: TCP
+          resources:
+            requests: 
+              memory: "300Mi" 
+              cpu: "750m" # 10 cores
+            limits:
+              memory: "500Mi"
+              cpu: "1000m"
+          volumeMounts:
+          - name: mysecretvolume 
+            mountPath: /mystuff/secretstuff
+            readOnly: true
+      volumes:
+        - name: mysecretvolume 
+          secret:
+            secretName: mysecret
+

manifests/devoxxfr23-v1-deployment-toleration.yml

@@ -0,0 +1,38 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app.kubernetes.io/name: devoxxfr23
+  name: devoxxfr23
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: devoxxfr23
+      app.kubernetes.io/version: "1.0"
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: devoxxfr23
+        app.kubernetes.io/version: "1.0"
+    spec:
+      tolerations:
+      - key: "color"
+        operator: "Equal"
+        value: "blue"
+        effect: "NoSchedule"
+      containers:
+        - image: sebi2706/devoxxfr23:1.0
+          imagePullPolicy: Always
+          name: devoxxfr23
+          ports:
+            - containerPort: 8080
+              name: http
+              protocol: TCP
+          resources:
+            requests: 
+              memory: "300Mi" 
+              cpu: "750m" # 10 cores
+            limits:
+              memory: "500Mi"
+              cpu: "1000m"

my.propreties

@@ -0,0 +1 @@
+GREETING=halloooo