Kubernetes example files used in tech talk Feb 2020

cronjob.yaml

apiVersion: batch/v1beta1
kind: CronJob
metadata:
  name: cron
spec:
  schedule: "*/1 * * * *"
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: cron
            image: busybox
            args:
            - /bin/sh
            - -c
            - date; echo Hello from Kube
          restartPolicy: OnFailure

my-app.deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: my-app
  labels:
    tier: backend
spec:
  replicas: 3
  selector:
    matchLabels:
      app: my-app
      tier: backend
  template:
    metadata:
      labels:
        app: my-app
        tier: backend
    spec:
      volumes:
      - name: config
        configMap:
          name: nginx-config
          items:
          - key: config
            path: site.conf
      containers:
      - name: nginx
        image: nginx:1.17
        ports:
        - containerPort: 80
        volumeMounts:
        - name: config
          mountPath: /etc/nginx/conf.d
        readinessProbe:
          httpGet:
            path: /
            port: 80
          initialDelaySeconds: 15
          periodSeconds: 10
          timeoutSeconds: 5
          successThreshold: 1
          failureThreshold: 3
      - name: php
        image: php:7.4-fpm
        resources:
          requests:
            cpu: 250m
            memory: 100Mi
        ports:
        - name: fpm
          containerPort: 9000
          protocol: TCP

my-app.service.yaml

---
kind: Service
apiVersion: v1
metadata:
  name: my-app
spec:
  type: LoadBalancer
  selector:
    app: my-app
  ports:
    - name: http
      protocol: TCP
      port: 80
      targetPort: 80

nginx.configmap.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: nginx-config
  labels:
    tier: backend
data:
  config : |
    server {
      index index.php index.html;
      error_log  /var/log/nginx/error.log;
      access_log /var/log/nginx/access.log;

      location = / {
        add_header Content-Type text/plain;
        return 200 'hello world';
      }

      location / {
        try_files $uri $uri/ /index.php?$query_string;
      }

      location ~ \.php$ {
        try_files $uri =404;
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass localhost:9000;
        fastcgi_index index.php;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
        fastcgi_param PATH_INFO $fastcgi_path_info;
      }
    }