Rails 8.1 + SQLite app - 2026-02-04 22:51:42

2026-02-04 22:51:42 +08:00
commit 70f4740359
12 changed files with 699 additions and 0 deletions
--- a/k8s/deployment.yaml
+++ b/k8s/deployment.yaml
@@ -0,0 +1,128 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: rails-app
+  namespace: rails-app
+  labels:
+    app: rails-app
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: rails-app
+  template:
+    metadata:
+      labels:
+        app: rails-app
+    spec:
+      containers:
+      - name: rails
+        image: ruby:3.3-slim
+        imagePullPolicy: IfNotPresent
+        command: ["/bin/bash", "-c"]
+        args:
+          - |
+            apt-get update -qq && apt-get install -y build-essential libsqlite3-dev nodejs npm git curl
+            gem install rails -v '8.1.0' --no-document
+            cd /app
+            if [ ! -f config/database.yml ]; then
+              rails new . --force --database=sqlite3 --skip-git --skip-bundle
+            fi
+            bundle install
+            rails db:create db:migrate || true
+
+            # 创建欢迎页面
+            cat > app/controllers/welcome_controller.rb <<'RUBY'
+            class WelcomeController < ApplicationController
+              def index
+                @hostname = Socket.gethostname
+                @rails_version = Rails.version
+                @ruby_version = RUBY_VERSION
+              end
+            end
+            RUBY
+
+            mkdir -p app/views/welcome
+            cat > app/views/welcome/index.html.erb <<'HTML'
+            <!DOCTYPE html>
+            <html>
+            <head>
+              <title>Rails 8.1 on K3s</title>
+              <style>
+                body { font-family: Arial, sans-serif; margin: 0; padding: 0; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); display: flex; justify-content: center; align-items: center; min-height: 100vh; }
+                .container { background: white; padding: 40px; border-radius: 10px; box-shadow: 0 10px 40px rgba(0,0,0,0.2); text-align: center; max-width: 600px; }
+                h1 { color: #667eea; margin-bottom: 20px; }
+                .status { background: #10b981; color: white; padding: 10px 20px; border-radius: 5px; display: inline-block; margin: 20px 0; }
+                .info { text-align: left; background: #f3f4f6; padding: 20px; border-radius: 5px; margin-top: 20px; }
+                .info p { margin: 10px 0; }
+                .emoji { font-size: 48px; margin-bottom: 20px; }
+              </style>
+            </head>
+            <body>
+              <div class="container">
+                <div class="emoji">💎</div>
+                <h1>Rails <%= @rails_version %> on K3s</h1>
+                <div class="status">✅ 运行正常</div>
+                <div class="info">
+                  <p><strong>Ruby版本:</strong> <%= @ruby_version %></p>
+                  <p><strong>Rails版本:</strong> <%= @rails_version %></p>
+                  <p><strong>数据库:</strong> SQLite3</p>
+                  <p><strong>Pod主机名:</strong> <%= @hostname %></p>
+                  <p><strong>访问域名:</strong> r1.jpd.net3w.com</p>
+                  <p><strong>部署方式:</strong> GitOps (Gitea + ArgoCD)</p>
+                  <p><strong>集群:</strong> JPD K3s Cluster</p>
+                </div>
+                <p style="margin-top: 20px; color: #6b7280;"><%= Time.now.strftime("%Y-%m-%d %H:%M:%S") %></p>
+              </div>
+            </body>
+            </html>
+            HTML
+
+            cat > config/routes.rb <<'RUBY'
+            Rails.application.routes.draw do
+              root "welcome#index"
+              get "up" => "rails/health#show", as: :rails_health_check
+            end
+            RUBY
+
+            rails server -b 0.0.0.0 -p 3000
+        ports:
+        - containerPort: 3000
+          name: http
+        env:
+        - name: RAILS_ENV
+          value: "development"
+        - name: RAILS_LOG_TO_STDOUT
+          value: "true"
+        volumeMounts:
+        - name: sqlite-storage
+          mountPath: /app/db
+        - name: app-storage
+          mountPath: /app
+        livenessProbe:
+          httpGet:
+            path: /up
+            port: 3000
+          initialDelaySeconds: 60
+          periodSeconds: 10
+          timeoutSeconds: 5
+        readinessProbe:
+          httpGet:
+            path: /up
+            port: 3000
+          initialDelaySeconds: 30
+          periodSeconds: 5
+          timeoutSeconds: 3
+        resources:
+          requests:
+            memory: "512Mi"
+            cpu: "250m"
+          limits:
+            memory: "1Gi"
+            cpu: "1000m"
+      volumes:
+      - name: sqlite-storage
+        persistentVolumeClaim:
+          claimName: rails-sqlite-pvc
+      - name: app-storage
+        emptyDir: {}
--- a/k8s/ingress.yaml
+++ b/k8s/ingress.yaml
@@ -0,0 +1,47 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: rails-app-http
+  namespace: rails-app
+  annotations:
+    traefik.ingress.kubernetes.io/router.entrypoints: web
+spec:
+  ingressClassName: traefik
+  rules:
+  - host: r1.jpd.net3w.com
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: rails-app
+            port:
+              number: 80
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: rails-app-https
+  namespace: rails-app
+  annotations:
+    cert-manager.io/cluster-issuer: "letsencrypt-prod"
+    traefik.ingress.kubernetes.io/router.entrypoints: websecure
+    traefik.ingress.kubernetes.io/router.tls: "true"
+spec:
+  ingressClassName: traefik
+  tls:
+  - hosts:
+    - r1.jpd.net3w.com
+    secretName: rails-app-tls
+  rules:
+  - host: r1.jpd.net3w.com
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: rails-app
+            port:
+              number: 80
--- a/k8s/namespace.yaml
+++ b/k8s/namespace.yaml
@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: rails-app
--- a/k8s/pvc.yaml
+++ b/k8s/pvc.yaml
@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: rails-sqlite-pvc
+  namespace: rails-app
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 5Gi
+  storageClassName: local-path
--- a/k8s/service.yaml
+++ b/k8s/service.yaml
@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: rails-app
+  namespace: rails-app
+  labels:
+    app: rails-app
+spec:
+  type: ClusterIP
+  ports:
+  - port: 80
+    targetPort: 3000
+    protocol: TCP
+    name: http
+  selector:
+    app: rails-app