php:7.2-fpm-alpine + nginx:stable-alpine on k8s 検証用リソース

README.md

how to reproduce

1. minikube start --memory 4096
2. minikube addons enable ingress
3. minikube ip ... shown ip append to /etc/hosts with host name issue.test.internal
4. kubectl -f resources.yaml apply
5. access http://issue.test.internal/info.php

resources.yaml

kind: ConfigMap
apiVersion: v1
metadata:
  name: "nginx-conf-configmap"
  labels:
    name: "nginx-conf-configmap"
data:
  site.conf: |-
    server {
        server_name issue.test.internal;
        root /var/www/html;
        location = /.health {
            return 200;
        }
        location ~ '\.php$' {
            fastcgi_split_path_info ^(.+?\.php)(|/.*)$;
            include fastcgi_params;
            fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
            fastcgi_pass ${PHP_FPM_HOST}:9000;
        }
    }
---
kind: ConfigMap
apiVersion: v1
metadata:
  name: "src-configmap"
  labels:
    name: "src-configmap"
data:
  info.php: |-
    <?php
    phpinfo();
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: issue-test
spec:
  replicas: 1
  selector:
    matchLabels:
      app: issue-test
  template:
    metadata:
      labels:
        app: issue-test
    spec:
      volumes:
        - name: nginx-conf-volume
          configMap:
            name: nginx-conf-configmap
        - name: src-volume
          configMap:
            name: src-configmap
      containers:
        # php-fpm container
        - name: php
          image: php:7.2-fpm-alpine
          volumeMounts:
            - mountPath: /var/www/html
              name: src-volume
          livenessProbe:
            tcpSocket:
              port: 9000
            initialDelaySeconds: 30
          readinessProbe:
            tcpSocket:
              port: 9000
            initialDelaySeconds: 30
        # nginx container
        - name: web
          image: nginx:1.14-alpine
          ports:
            - name: http
              containerPort: 80
              protocol: TCP
          volumeMounts:
            - name: nginx-conf-volume
              mountPath: /tmp/nginx-conf
          env:
            - name: PHP_FPM_HOST
              value: "localhost"
          command:
            - "sh"
            - "-c"
            - "envsubst '$PHP_FPM_HOST' < /tmp/nginx-conf/site.conf > /etc/nginx/conf.d/default.conf && nginx -g 'daemon off;'"
          livenessProbe:
            httpGet:
              port: http
              path: /.health
            initialDelaySeconds: 30
          readinessProbe:
            httpGet:
              port: http
              path: /.health
            initialDelaySeconds: 30
          resources:
            limits:
              cpu: 500m
              memory: 512Mi
            requests:
              cpu: 100m
              memory: 256Mi
---
kind: Service
apiVersion: v1
metadata:
  name: issue-test-svc
spec:
  type: ClusterIP
  ports:
    - port: 80
      targetPort: 80
      protocol: TCP
      name: http
  selector:
    app: issue-test
---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: issue-test-ing
  labels:
    name: issue-test-ing
spec:
  rules:
    - host: "issue.test.internal"
      http:
        paths:
          - path: /
            backend:
              serviceName: issue-test-svc
              servicePort: http