Add Docker, Kubernetes configurations, and CI workflows for deployment. Integrate Gin server for API, WebSocket support, and static file hosting. Refactor WebSocket gateway to use Gin router.

k8s/app.yaml

@@ -0,0 +1,72 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: escape-game
+  labels:
+    app: escape-game
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: escape-game
+  template:
+    metadata:
+      labels:
+        app: escape-game
+    spec:
+      containers:
+      - name: server
+        image: ${IMAGE_NAME}
+        imagePullPolicy: Always
+        ports:
+        - containerPort: 8080
+          name: http
+          protocol: TCP
+        livenessProbe:
+          httpGet:
+            path: /health
+            port: 8080
+          initialDelaySeconds: 10
+          periodSeconds: 30
+          timeoutSeconds: 5
+        readinessProbe:
+          httpGet:
+            path: /health
+            port: 8080
+          initialDelaySeconds: 5
+          periodSeconds: 10
+          timeoutSeconds: 3
+        resources:
+          requests:
+            memory: "128Mi"
+            cpu: "250m"
+          limits:
+            memory: "512Mi"
+            cpu: "1000m"
+        volumeMounts:
+        - name: assets
+          mountPath: /root/cmd/client/web/assets
+      volumes:
+      - name: assets
+        persistentVolumeClaim:
+          claimName: game-assets-pvc
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: escape-game
+  labels:
+    app: escape-game
+spec:
+  type: ClusterIP
+  selector:
+    app: escape-game
+  ports:
+  - name: http
+    port: 80
+    targetPort: 8080
+    protocol: TCP
+  sessionAffinity: ClientIP
+  sessionAffinityConfig:
+    clientIP:
+      timeoutSeconds: 3600

k8s/hpa.yaml

@@ -0,0 +1,24 @@
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: escape-game-hpa
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: escape-game
+  minReplicas: 2
+  maxReplicas: 10
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: 70
+  - type: Resource
+    resource:
+      name: memory
+      target:
+        type: Utilization
+        averageUtilization: 80

k8s/ingress.yaml

@@ -0,0 +1,25 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: game-ingress
+  annotations:
+    cert-manager.io/cluster-issuer: letsencrypt-prod
+    traefik.ingress.kubernetes.io/router.entrypoints: web, websecure
+    traefik.ingress.kubernetes.io/router.middlewares: gitea-redirect-https@kubernetescrd
+spec:
+  ingressClassName: traefik
+  tls:
+    - hosts:
+        - ${APP_URL}
+      secretName: game-tls-secret
+  rules:
+    - host: ${APP_URL}
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: escape-game
+                port:
+                  number: 80

k8s/pvc.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: game-assets-pvc
+spec:
+  accessModes:
+    - ReadWriteMany
+  storageClassName: longhorn
+  resources:
+    requests:
+      storage: 2Gi

k8s/redis.yaml

@@ -0,0 +1,75 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: redis-data
+spec:
+  accessModes:
+    - ReadWriteOnce
+  storageClassName: longhorn
+  resources:
+    requests:
+      storage: 1Gi
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: redis
+spec:
+  ports:
+    - port: 6379
+  selector:
+    app: redis
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: redis
+  labels:
+    app: redis
+spec:
+  selector:
+    matchLabels:
+      app: redis
+  template:
+    metadata:
+      labels:
+        app: redis
+    spec:
+      initContainers:
+        - name: fix-permissions
+          image: busybox
+          command: ["sh", "-c", "chown -R 999:999 /data"]
+          volumeMounts:
+            - name: data
+              mountPath: /data
+      containers:
+        - name: redis
+          image: redis:alpine
+          ports:
+            - containerPort: 6379
+          volumeMounts:
+            - name: data
+              mountPath: /data
+          resources:
+            requests:
+              memory: "64Mi"
+              cpu: "50m"    # 0.05 CPU Cores
+            limits:
+              memory: "256Mi"
+              cpu: "1000m"   # 0.5 CPU Cores
+          livenessProbe:
+            exec:
+              command: ["redis-cli", "ping"]
+            initialDelaySeconds: 30
+            periodSeconds: 10
+            timeoutSeconds: 5
+
+          readinessProbe:
+            exec:
+              command: ["redis-cli", "ping"]
+            initialDelaySeconds: 5
+            periodSeconds: 10
+      volumes:
+        - name: data
+          persistentVolumeClaim:
+            claimName: redis-data