helm repo add prometheus-community https://prometheus-community.github.io/helm-charts helm install monitoring prometheus-community/kube-prometheus-stack kubectl port-forward svc/monitoring-grafana 3000:80 # Login: admin/prom-operator
helm create mychart # Edit templates/deployment.yaml, values.yaml helm install myapp ./mychart Metrics Server: Complete Kubernetes Tutorial by School of Devops
kubectl create secret generic db-secret --from-literal=password=supersecret env: - name: DB_PASSWORD valueFrom: secretKeyRef: name: db-secret key: password PersistentVolume (cluster storage): Complete Kubernetes Tutorial by School of Devops
kubectl create configmap app-config --from-literal=db_url=postgres://db:5432 # Use in pod env: - name: DB_URL valueFrom: configMapKeyRef: name: app-config key: db_url (base64 encoded): Complete Kubernetes Tutorial by School of Devops