sudo tee /etc/yum.repos.d/docker.repo <<-'EOF'  
	[docker-ce-edge]
	name=Docker CE Edge - $basearch
    	baseurl=https://download.docker.com/linux/centos/7/$basearch/edge
	 enabled=1
	 gpgcheck=1
	 gpgkey=https://download.docker.com/linux/centos/gpg
	 EOF 

- yum install -y docker-ce-18.06.1.ce-3.el7.x86_64  conntrack 
- sudo systemctl start docker && sudo systemctl status docker && sudo systemctl enable docker

• kube_version=v1.12.2
• curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/${kube_version}/bin/linux/amd64/kubect
• mv kubectl /usr/local/sbin/
• curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64
• mv minikube-linux-amd64 minikube && chmod +x minikube && mv minikube /usr/local/sbin/
• minikube start --vm-driver=none
• kubectl get node

• source <(kubectl completion bash)
• echo "source <(kubectl completion bash)" >> ~/.bashrc

• sh manifest/helm.sh

• kubectl inspect stable/jenkins > /tmp/jenkins-values
• helm install --name jenkins stable/jenkins --namespace build --values manifest/jenkins-values
• add credentials for (kubeconfig && nexus)

- kubectl apply -f manifest/nexus.yaml 

– create a private (hosted) repository for our own images
- create user and give permission that will allow to push and pull image 
- edit all host worker node configration /etc/docker/daemon.json

	{
	 "insecure-registries": [
	       "your-IP:32323",
		],
"disable-legacy-registry": true
}
- systemctl restart docker)

- docker login -u admin -p admin123 your-IP:32323

  - agent slave 
  - staging (Build && Push && Deploy)

that will use to build and push image also

• image name ahmedfarouk141414/javamavn
• add jenkins slave credentials kind (ssh username with privte key) from mykey file in github installation/mykey
• choose agent slave in pipeline

• docker pull mysql/mysql-server:latest

• docker run --name=mysql -d mysql/mysql-server:latest

• docker logs 64d781449723 | grep -i pass

• docker exec -it [container_name] mysql -uroot -p

  • K@N@Soq)oMerJ0SIkMized4BEj@r

• mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY 'ahmed'; - create databases toystore

• cat toystore-test.sql | docker exec -i mysql /usr/bin/mysql -u root --password=ahmed toystore

• docker commit mysql

• docker tag mysql ahmedfarouk141414/toystore:v1

• docker push ahmedfarouk141414/toystore:v1

• cd manifest/db
• kubectl apply -f .

• use env varible in application.properties and configfile will replace this values

  • spring.datasource.url=${spring.datasource.url}
  • spring.datasource.username=${spring.datasource.username}
  • spring.datasource.password=${spring.datasource.password}

• cd manifest/spring/

• kubectl apply -f .