added

check_this

@@ -23,3 +23,7 @@ https://artifacthub.io/
 https://github.com/kubernetes/git-sync
 
 https://grpc.io/docs/languages/python/basics/
+
+git clone https://github.com/scriptcamp/kubernetes-postgresql.git
+
+https://devopscube.com/deploy-postgresql-statefulset/

k3d/only_install

@@ -0,0 +1,87 @@
+mkdir ~/k3d
+
+curl -s https://raw.githubusercontent.com/rancher/k3d/main/install.sh | bash
+CLUSTER=cnbc
+IP4=$(/sbin/ip -o -4 addr list br2 | awk '{print $4}' | cut -d/ -f1)
+
+# Get from TRAINER :)
+MIRROR_IP=192.168.1.246
+cat >registries.yml <<EOF 
+mirrors:
+  docker.io:
+    endpoint:
+      - "http://$MIRROR_IP:5001"
+      - "https://mirror.gcr.io"
+      - "https://docker.io"
+EOF
+
+# WARNING Check IP
+k3d cluster create $CLUSTER \
+  --api-port 8545 \
+  -p "8580:80@loadbalancer" \
+  -p "8543:443@loadbalancer" \
+  --agents=2 \
+  --k3s-arg "--tls-san=$IP4@server:0" \
+  --k3s-arg "--disable=traefik@server:0" \
+  --registry-create $CLUSTER-registry:0.0.0.0:5000 \
+  --registry-config=./registries.yml
+echo | \
+    openssl s_client -connect $IP4:8545 2>/dev/null | \
+    openssl x509 -text
+
+PORT=$(docker container inspect \
+    --format '{{ (index (index .NetworkSettings.Ports "5000/tcp") 0).HostPort }}' \
+    $CLUSTER-registry)
+sudo sh -c "echo 127.0.0.1 $CLUSTER-registry >>/etc/hosts"
+curl cnbc-registry:5000/v2/_catalog
+source <(k3d completion bash)
+
+
+sudo apt-get update && sudo apt-get install -y apt-transport-https
+curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg  \
+  | sudo apt-key add -
+echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" \
+  | sudo tee -a /etc/apt/sources.list.d/kubernetes.list
+
+sudo apt-get update
+sudo apt-get install -y kubectl
+
+KUBE_VERSION=v1.22.13
+curl -LO https://storage.googleapis.com/kubernetes-release/release/$KUBE_VERSION/bin/linux/amd64/kubectl
+chmod +x kubectl
+sudo mv ./kubectl /usr/local/bin/kubectl
+kubectl version
+
+kubectl cluster-info
+kubectl get nodes
+
+docker run --privileged -d -p 127.0.0.1:12375:2375 -e DOCKER_TLS_CERTDIR='' docker:dind
+DOCKER_HOST=127.0.0.1:12375 docker container ls
+docker --host=127.0.0.1:12375 container ls
+
+Use Docker context remote
+
+# start ssh-agent
+DOCKER_SSH_IP=142.132.190.1
+# allow ssh access!
+# cat ~/.ssh/id_cnbc_ed25519.pub >>~/.ssh/authorized_keys
+eval `ssh-agent`
+ssh-add ~/.ssh/id_cnbc_ed25519
+
+
+# password see chat
+docker context create cnbc \
+  --docker "host=ssh://cnbc@${DOCKER_SSH_IP},key=/home/cnbc/.ssh/id_cnbc_ed25519"
+
+# accept host verification
+ssh -i ~/.ssh/id_cnbc_ed25519 cnbc@${DOCKER_SSH_IP}
+ 
+# use context 
+docker context use cnbc
+# remote docker access
+docker container ls
+# access local default context
+docker --context=default container version
+# switch back default
+docker context use default
+

k8s/carpool/node-service.yaml

@@ -0,0 +1,18 @@
+apiVersion: v1
+kind: Service
+metadata:
+  creationTimestamp: null
+  labels:
+    app: carpool-node
+  name: carpool-node
+spec:
+  ports:
+  - name: http 
+    port: 5000
+    protocol: TCP
+    targetPort: 5000
+  selector:
+    app: carpool
+  type: NodePort
+status:
+  loadBalancer: {}