Initial commit

Chart.yaml

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+apiVersion: v1
+name: app-name
+description: Here comes an app description
+type: application
+version: 0.0.1
+appVersion: "0.0.0"
+icon: https://upload.wikimedia.org/logo.png

README.md

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+Helmチャート作成用のテンプレートです。
+カスタマイズしてお使いください。

templates/_helpers.tpl

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+{{/* Return chart name (Chart.yaml:name) */}}
+{{- define "chart.name" -}}
+{{- .Chart.Name | trunc 63 | trimSuffix "-" -}}
+{{- end }}
+
+{{/* Return full release name (Release-ChartName) */}}
+{{- define "chart.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name (include "chart.name" .) | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+
+{{/* Standard labels */}}
+{{- define "chart.labels" -}}
+app.kubernetes.io/name: {{ include "chart.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | default "latest" }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/* Selector labels */}}
+{{- define "chart.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "chart.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}

templates/configmap.yaml

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+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "{{ .Chart.Name }}.fullname" . }}-nginx-config
+  labels:
+    {{- include "{{ .Chart.Name }}.labels" . | nindent 4 }}
+data:
+  nginx.conf: |
+    user  nginx;
+    worker_processes  1;
+
+    error_log  /var/log/nginx/error.log warn;
+    pid        /var/run/nginx.pid;
+
+    events {
+        worker_connections  1024;
+    }
+
+    http {
+        include       /etc/nginx/mime.types;
+        default_type  application/octet-stream;
+
+        log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                          '$status $body_bytes_sent "$http_referer" '
+                          '"$http_user_agent" "$http_x_forwarded_for"';
+
+        access_log  /var/log/nginx/access.log  main;
+
+        sendfile        on;
+        keepalive_timeout  65;
+
+        server {
+            listen       80;
+            server_name  localhost;
+
+            root   /var/www/html;
+            index  index.php index.html index.htm;
+
+            location / {
+                try_files $uri $uri/ /index.php?$query_string;
+            }
+
+            location ~ \.php$ {
+                include        fastcgi_params;
+                fastcgi_pass   127.0.0.1:9000;
+                fastcgi_index  index.php;
+                fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
+            }
+
+            error_page   500 502 503 504  /50x.html;
+            location = /50x.html {
+                root   /usr/share/nginx/html;
+            }
+
+            {{- if .Values.nginx.customConfig.enabled }}
+            {{ .Values.nginx.customConfig.snippet | indent 12 }}
+            {{- end }}
+
+        }
+    }

templates/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "{{ .Chart.Name }}.fullname" . }}
+  labels:
+    {{- include "{{ .Chart.Name }}.labels" . | nindent 4 }}
+spec:
+  replicas: {{ .Values.replicaCount }}
+  selector:
+    matchLabels:
+      {{- include "{{ .Chart.Name }}.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      labels:
+        {{- include "{{ .Chart.Name }}.selectorLabels" . | nindent 8 }}
+    spec:
+      containers:
+        - name: nginx
+          image: "{{ .Values.image.nginx.registry }}/{{ .Values.image.nginx.repository }}:{{ .Values.image.nginx.tag }}"
+          imagePullPolicy: {{ .Values.image.nginx.pullPolicy }}
+          ports:
+            - containerPort: 80
+          volumeMounts:
+            - name: app-storage
+              mountPath: /var/www/html
+              subPath: html
+            - name: nginx-config
+              mountPath: /etc/nginx/nginx.conf
+              subPath: nginx.conf
+        - name: app-fpm
+          image: "{{ .Values.image.php.registry }}/{{ .Values.image.php.repository }}:{{ .Values.image.php.tag }}"
+          imagePullPolicy: {{ .Values.image.php.pullPolicy }}
+          ports:
+            - name: fpm
+              containerPort: 9000  # PHP-FPMは9000ポートでリッスン
+          volumeMounts:
+            - name: app-storage
+              mountPath: /var/www/html
+              subPath: html
+          env:
+            - name: DB_HOST
+              value: {{ .Values.externalDatabase.host | quote }}
+            - name: DB_PORT
+              value: {{ .Values.externalDatabase.port | quote }}
+            - name: DB_NAME
+              value: {{ .Values.externalDatabase.database | quote }}
+            - name: DB_USER
+              value: {{ .Values.externalDatabase.username | quote }}
+            - name: DB_PASSWORD
+              valueFrom:
+                secretKeyRef:
+                  name: {{ include "{{ .Chart.Name }}.fullname" . }}-db-secret
+                  key: {{ include "{{ .Chart.Name }}.fullname" . }}-db-key
+      dnsPolicy: ClusterFirst
+      dnsConfig:
+        options:
+        - name: ndots
+          value: "1"
+      volumes:
+        - name: app-storage
+          {{- if .Values.persistence.enabled }}
+          persistentVolumeClaim:
+            claimName: {{ include "{{ .Chart.Name }}.fullname" . }}-pvc
+          {{- else }}
+          emptyDir: {}
+          {{- end }}
+        - name: nginx-config
+          configMap:
+            name: {{ include "{{ .Chart.Name }}.fullname" . }}-nginx-config

templates/ingress.yaml

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+{{- if .Values.ingress.enabled }}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ include "{{ .Chart.Name }}.fullname" . }}
+  labels:
+    {{- include "{{ .Chart.Name }}.labels" . | nindent 4 }}
+  annotations:
+    {{- toYaml .Values.ingress.annotations | nindent 4 }}
+spec:
+  {{- if .Values.ingress.className }}
+  ingressClassName: {{ .Values.ingress.className }}
+  {{- end }}
+  rules:
+    {{- range .Values.ingress.hosts }}
+    - host: {{ .host }}
+      http:
+        paths:
+          {{- range .paths }}
+          - path: {{ .path }}
+            pathType: {{ .pathType }}
+            backend:
+              service:
+                name: {{ include "{{ .Chart.Name }}.fullname" $ }}
+                port:
+                  number: {{ $.Values.service.port }}
+          {{- end }}
+    {{- end }}
+  {{- if .Values.ingress.tls }}
+  tls:
+    {{- range .Values.ingress.tls }}
+    - secretName: {{ .secretName }}
+      hosts:
+        {{- range .hosts }}
+        - {{ . }}
+        {{- end }}
+    {{- end }}
+  {{- end }}
+{{- end }}

templates/pvc.yaml

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+{{- if .Values.persistence.enabled }}
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ include "{{ .Chart.Name }}.fullname" . }}-pvc
+  labels:
+    {{- include "{{ .Chart.Name }}.labels" . | nindent 4 }}
+spec:
+  accessModes:
+    - {{ .Values.persistence.accessMode }}
+  resources:
+    requests:
+      storage: {{ .Values.persistence.size }}
+{{- end }}

templates/secret-db.yaml

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+{{- if and .Values.externalDatabase.enabled .Values.externalDatabase.password }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ include "{{ .Chart.Name }}.fullname" . }}-db-secret
+type: Opaque
+stringData:
+  {{ include "{{ .Chart.Name }}.fullname" . }}-db-key: {{ .Values.externalDatabase.password | quote }}
+{{- end }}

templates/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "{{ .Chart.Name }}.fullname" . }}
+  labels:
+    {{- include "{{ .Chart.Name }}.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: 80
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "{{ .Chart.Name }}.selectorLabels" . | nindent 4 }}

values.yaml

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+replicaCount: 1
+
+image:
+  nginx:
+    registry: docker.io
+    repository: nginx
+    tag: "1.29.3-alpine-perl"
+    pullPolicy: IfNotPresent
+  wordpress:
+    registry: docker.io
+    repository: repo-name
+    tag: "fpm-alpine"
+    pullPolicy: IfNotPresent
+
+service:
+ # type: ClusterIP
+  type: LoadBalancer
+  port: 80
+
+ingress:
+  enabled: false
+  className: ""
+  annotations: {}
+  #  {
+  #    acme.cert-manager.io/http01-ingress-class: "nginx",
+  #    cert-manager.io/cluster-issuer: "letsencrypt-issuer",
+  #    nginx.ingress.kubernetes.io/from-to-www-redirect: "true",
+  #    nginx.ingress.kubernetes.io/proxy-body-size: "100m"
+  #  }
+  hosts:
+    - host: example.tld
+      paths:
+        - path: /
+          pathType: Prefix
+  tls: []
+  #  [
+  #    {
+  #        hosts: [ "example.com" ],
+  #        secretName: "example-tls"
+  #      }
+  #  ]
+
+persistence:
+  enabled: true
+  accessMode: ReadWriteOnce
+  size: 1Gi
+
+nginx:
+  customConfig:
+    enabled: false
+    snippet: |-
+
+externalDatabase:
+  host: mariadb-hostname
+  port: 3306
+  database: dbname
+  username: user
+  password: pass
+
+resources: {}