Listing: Manifest für Namespace, ConfigMap und Deployment

# Eigener Namespace für den fehlerhaften
Test-Workload
apiVersion: v1
kind: Namespace
metadata: name: shop
---
ConfigMap mit bewusst abweichendem
Variablennamen
apiVersion: v1
kind: ConfigMap
metadata: name: checkout-config
namespace: shop
data: DATABASE_HOST: postgres.shop.svc.cluster.
local
---
Checkout-Service erwartet DB_HOST und startet
daher nicht erfolgreich
apiVersion: apps/v1
kind: Deployment
metadata:
name: checkout-service
namespace: shop
spec:
replicas: 1
selector: matchLabels:
app: checkout-service
template: metadata:
labels:
app: checkout-service
spec: containers:
- name: checkout
image: busybox:1.36
command: ["/bin/sh”, "-c”]
args:
- | echo "Starting checkout-service”
if [ -z "$DB_HOST” ]
then echo "ERROR: DB_HOST is not set”
exit 1
fi
echo "Connecting to $DB_HOST”
sleep 3600
envFrom:
- configMapRef: name: checkout-config