101 lines
2.2 KiB
YAML
101 lines
2.2 KiB
YAML
|
# ConfigMap for application configuration
|
||
|
|
apiVersion: v1
|
||
|
|
kind: ConfigMap
|
||
|
|
metadata:
|
||
|
|
name: app-config
|
||
|
|
namespace: my-app
|
||
|
|
labels:
|
||
|
|
app: web-app
|
||
|
|
data:
|
||
|
|
# Environment variables
|
||
|
|
DB_HOST: "postgres-service"
|
||
|
|
DB_PORT: "5432"
|
||
|
|
ENVIRONMENT: "production"
|
||
|
|
LOG_LEVEL: "INFO"
|
||
|
|
|
||
|
|
# File-like content
|
||
|
|
application.properties: |
|
||
|
|
server.port=8080
|
||
|
|
logging.level=INFO
|
||
|
|
cache.enabled=true
|
||
|
|
session.timeout=3600
|
||
|
|
---
|
||
|
|
# Secret for sensitive data
|
||
|
|
apiVersion: v1
|
||
|
|
kind: Secret
|
||
|
|
metadata:
|
||
|
|
name: db-secret
|
||
|
|
namespace: my-app
|
||
|
|
labels:
|
||
|
|
app: web-app
|
||
|
|
type: Opaque
|
||
|
|
data:
|
||
|
|
# Base64 encoded values
|
||
|
|
DB_USERNAME: YWRtaW4= # admin
|
||
|
|
DB_PASSWORD: c2VjcmV0MTIz # secret123
|
||
|
|
API_KEY: bXktYXBpLWtleQ== # my-api-key
|
||
|
|
---
|
||
|
|
# Deployment using ConfigMap and Secret
|
||
|
|
apiVersion: apps/v1
|
||
|
|
kind: Deployment
|
||
|
|
metadata:
|
||
|
|
name: web-app-with-config
|
||
|
|
namespace: my-app
|
||
|
|
spec:
|
||
|
|
replicas: 2
|
||
|
|
selector:
|
||
|
|
matchLabels:
|
||
|
|
app: web-app
|
||
|
|
template:
|
||
|
|
metadata:
|
||
|
|
labels:
|
||
|
|
app: web-app
|
||
|
|
spec:
|
||
|
|
containers:
|
||
|
|
- name: web-app
|
||
|
|
image: nginx:latest
|
||
|
|
ports:
|
||
|
|
- containerPort: 80
|
||
|
|
env:
|
||
|
|
# Environment variables from ConfigMap
|
||
|
|
- name: DB_HOST
|
||
|
|
valueFrom:
|
||
|
|
configMapKeyRef:
|
||
|
|
name: app-config
|
||
|
|
key: DB_HOST
|
||
|
|
- name: DB_PORT
|
||
|
|
valueFrom:
|
||
|
|
configMapKeyRef:
|
||
|
|
name: app-config
|
||
|
|
key: DB_PORT
|
||
|
|
- name: ENVIRONMENT
|
||
|
|
valueFrom:
|
||
|
|
configMapKeyRef:
|
||
|
|
name: app-config
|
||
|
|
key: ENVIRONMENT
|
||
|
|
# Environment variables from Secret
|
||
|
|
- name: DB_USERNAME
|
||
|
|
valueFrom:
|
||
|
|
secretKeyRef:
|
||
|
|
name: db-secret
|
||
|
|
key: DB_USERNAME
|
||
|
|
- name: DB_PASSWORD
|
||
|
|
valueFrom:
|
||
|
|
secretKeyRef:
|
||
|
|
name: db-secret
|
||
|
|
key: DB_PASSWORD
|
||
|
|
volumeMounts:
|
||
|
|
# Mount ConfigMap as files
|
||
|
|
- name: config-volume
|
||
|
|
mountPath: /app/config
|
||
|
|
- name: secret-volume
|
||
|
|
mountPath: /app/secrets
|
||
|
|
readOnly: true
|
||
|
|
volumes:
|
||
|
|
- name: config-volume
|
||
|
|
configMap:
|
||
|
|
name: app-config
|
||
|
|
- name: secret-volume
|
||
|
|
secret:
|
||
|
|
secretName: db-secret
|