michalpenka

mkdir -p ~/config/flannel
cd ~/config/flannel/
wget https://raw.githubusercontent.com/coreos/flannel/v0.12.0/Documentation/kube-flannel.yml
kubectl apply -f kube-flannel.yml

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apiVersion: v1
kind: Namespace
metadata:
  name: helloworld

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kubectl apply -f namespace.yml

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kubectl get namespaces

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apiVersion: apps/v1
kind: Deployment
metadata:
  name: app-helloworld
  namespace: helloworld
spec:
  replicas: 2
  selector:
    matchLabels:
      app: app-helloworld

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kubectl -n helloworld get deployments

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apiVersion: v1
kind: Service
metadata:
  name: svc-helloworld
  namespace: helloworld
spec:
  ports:
  - port: 80
  selector:
    app: app-helloworld

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kubectl -n helloworld describe service svc-helloworld

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apiVersion: v1
kind: ConfigMap
metadata:
  namespace: metallb-system
  name: config
data:
  config: |
    address-pools:
      - name: default
        protocol: layer2

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sed -i -e \
   's/quay.io\/kubernetes-ingress-controller\/nginx-ingress-controller:0.30.0/quay.io\/kubernetes-ingress-controller\/nginx-ingress-controller-arm64:0.30.0/g' \
   mandatory.yaml