Initial commit: 2048 game with Knative and Kourier deployment

- Complete 2048 game implementation with responsive design
- Knative Serving manifests for dev/staging/prod environments
- Scale-to-zero configuration with environment-specific settings
- Custom domain mapping for wa.darknex.us subdomains
- GitHub Actions workflows for CI/CD
- Docker container with nginx and health checks
- Setup scripts for Knative and Kourier installation
- GHCR integration for container registry

manifests/dev/domain-mapping.yml

@@ -0,0 +1,13 @@
+apiVersion: serving.knative.dev/v1alpha1
+kind: DomainMapping
+metadata:
+  name: 2048-dev.wa.darknex.us
+  namespace: game-2048-dev
+  labels:
+    app: game-2048
+    environment: development
+spec:
+  ref:
+    name: game-2048-dev
+    kind: Service
+    apiVersion: serving.knative.dev/v1

manifests/dev/namespace.yml

@@ -0,0 +1,7 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: game-2048-dev
+  labels:
+    environment: development
+    app: game-2048

manifests/dev/service.yml

@@ -0,0 +1,60 @@
+apiVersion: serving.knative.dev/v1
+kind: Service
+metadata:
+  name: game-2048-dev
+  namespace: game-2048-dev
+  labels:
+    app: game-2048
+    environment: development
+  annotations:
+    # Scale to zero configuration
+    autoscaling.knative.dev/minScale: "0"
+    autoscaling.knative.dev/maxScale: "10"
+    # Scale down to zero after 30 seconds of no traffic
+    autoscaling.knative.dev/scaleDownDelay: "30s"
+    # Target concurrency per pod
+    autoscaling.knative.dev/target: "100"
+spec:
+  template:
+    metadata:
+      labels:
+        app: game-2048
+        environment: development
+      annotations:
+        # Scale to zero configuration
+        autoscaling.knative.dev/minScale: "0"
+        autoscaling.knative.dev/maxScale: "10"
+        autoscaling.knative.dev/scaleDownDelay: "30s"
+        autoscaling.knative.dev/target: "100"
+    spec:
+      containers:
+      - name: game-2048
+        image: ghcr.io/ghndrx/k8s-game-2048:latest
+        ports:
+        - containerPort: 8080
+          protocol: TCP
+        env:
+        - name: ENVIRONMENT
+          value: "development"
+        resources:
+          requests:
+            cpu: 100m
+            memory: 128Mi
+          limits:
+            cpu: 500m
+            memory: 256Mi
+        readinessProbe:
+          httpGet:
+            path: /health
+            port: 8080
+          initialDelaySeconds: 5
+          periodSeconds: 10
+        livenessProbe:
+          httpGet:
+            path: /health
+            port: 8080
+          initialDelaySeconds: 15
+          periodSeconds: 20
+  traffic:
+  - percent: 100
+    latestRevision: true

manifests/prod/domain-mapping.yml

@@ -0,0 +1,13 @@
+apiVersion: serving.knative.dev/v1alpha1
+kind: DomainMapping
+metadata:
+  name: 2048.wa.darknex.us
+  namespace: game-2048-prod
+  labels:
+    app: game-2048
+    environment: production
+spec:
+  ref:
+    name: game-2048-prod
+    kind: Service
+    apiVersion: serving.knative.dev/v1

manifests/prod/namespace.yml

@@ -0,0 +1,7 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: game-2048-prod
+  labels:
+    environment: production
+    app: game-2048

manifests/prod/service.yml

@@ -0,0 +1,60 @@
+apiVersion: serving.knative.dev/v1
+kind: Service
+metadata:
+  name: game-2048-prod
+  namespace: game-2048-prod
+  labels:
+    app: game-2048
+    environment: production
+  annotations:
+    # Scale to zero configuration
+    autoscaling.knative.dev/minScale: "0"
+    autoscaling.knative.dev/maxScale: "50"
+    # Scale down to zero after 5 minutes of no traffic (longer for production)
+    autoscaling.knative.dev/scaleDownDelay: "300s"
+    # Target concurrency per pod
+    autoscaling.knative.dev/target: "100"
+spec:
+  template:
+    metadata:
+      labels:
+        app: game-2048
+        environment: production
+      annotations:
+        # Scale to zero configuration
+        autoscaling.knative.dev/minScale: "0"
+        autoscaling.knative.dev/maxScale: "50"
+        autoscaling.knative.dev/scaleDownDelay: "300s"
+        autoscaling.knative.dev/target: "100"
+    spec:
+      containers:
+      - name: game-2048
+        image: ghcr.io/ghndrx/k8s-game-2048:v1.0.0
+        ports:
+        - containerPort: 8080
+          protocol: TCP
+        env:
+        - name: ENVIRONMENT
+          value: "production"
+        resources:
+          requests:
+            cpu: 500m
+            memory: 512Mi
+          limits:
+            cpu: 2000m
+            memory: 1Gi
+        readinessProbe:
+          httpGet:
+            path: /health
+            port: 8080
+          initialDelaySeconds: 5
+          periodSeconds: 10
+        livenessProbe:
+          httpGet:
+            path: /health
+            port: 8080
+          initialDelaySeconds: 15
+          periodSeconds: 20
+  traffic:
+  - percent: 100
+    latestRevision: true

manifests/staging/domain-mapping.yml

@@ -0,0 +1,13 @@
+apiVersion: serving.knative.dev/v1alpha1
+kind: DomainMapping
+metadata:
+  name: 2048-staging.wa.darknex.us
+  namespace: game-2048-staging
+  labels:
+    app: game-2048
+    environment: staging
+spec:
+  ref:
+    name: game-2048-staging
+    kind: Service
+    apiVersion: serving.knative.dev/v1

manifests/staging/namespace.yml

@@ -0,0 +1,7 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: game-2048-staging
+  labels:
+    environment: staging
+    app: game-2048

manifests/staging/service.yml

@@ -0,0 +1,60 @@
+apiVersion: serving.knative.dev/v1
+kind: Service
+metadata:
+  name: game-2048-staging
+  namespace: game-2048-staging
+  labels:
+    app: game-2048
+    environment: staging
+  annotations:
+    # Scale to zero configuration
+    autoscaling.knative.dev/minScale: "0"
+    autoscaling.knative.dev/maxScale: "20"
+    # Scale down to zero after 60 seconds of no traffic (longer for staging)
+    autoscaling.knative.dev/scaleDownDelay: "60s"
+    # Target concurrency per pod
+    autoscaling.knative.dev/target: "100"
+spec:
+  template:
+    metadata:
+      labels:
+        app: game-2048
+        environment: staging
+      annotations:
+        # Scale to zero configuration
+        autoscaling.knative.dev/minScale: "0"
+        autoscaling.knative.dev/maxScale: "20"
+        autoscaling.knative.dev/scaleDownDelay: "60s"
+        autoscaling.knative.dev/target: "100"
+    spec:
+      containers:
+      - name: game-2048
+        image: ghcr.io/ghndrx/k8s-game-2048:staging
+        ports:
+        - containerPort: 8080
+          protocol: TCP
+        env:
+        - name: ENVIRONMENT
+          value: "staging"
+        resources:
+          requests:
+            cpu: 200m
+            memory: 256Mi
+          limits:
+            cpu: 1000m
+            memory: 512Mi
+        readinessProbe:
+          httpGet:
+            path: /health
+            port: 8080
+          initialDelaySeconds: 5
+          periodSeconds: 10
+        livenessProbe:
+          httpGet:
+            path: /health
+            port: 8080
+          initialDelaySeconds: 15
+          periodSeconds: 20
+  traffic:
+  - percent: 100
+    latestRevision: true