INIT(deploy): portfolio project setup

Add complete portfolio project including:
- Next.js application in services/nextjs
- Docker configurations for dev and prod
- Kubernetes deployment manifests with kustomize
- ArgoCD application configuration
- GitHub Actions workflow for automated builds

deploy/k8s/base/deployment.yaml

@@ -0,0 +1,51 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: portfolio-app
+  labels:
+    app: portfolio-app
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: portfolio-app
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxUnavailable: 1
+      maxSurge: 1
+  template:
+    metadata:
+      labels:
+        app: portfolio-app
+    spec:
+      containers:
+        - name: portfolio-app
+          image: ghcr.io/mayne0213/portfolio:latest
+          imagePullPolicy: Always
+          ports:
+            - containerPort: 3000
+              protocol: TCP
+          env:
+            - name: NODE_ENV
+              value: production
+          resources:
+            requests:
+              memory: "100Mi"
+              cpu: "50m"
+            limits:
+              memory: "200Mi"
+              cpu: "150m"
+          livenessProbe:
+            httpGet:
+              path: /
+              port: 3000
+            initialDelaySeconds: 30
+            periodSeconds: 10
+          readinessProbe:
+            httpGet:
+              path: /
+              port: 3000
+            initialDelaySeconds: 5
+            periodSeconds: 5
+      restartPolicy: Always

deploy/k8s/base/kustomization.yaml

@@ -0,0 +1,14 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - deployment.yaml
+  - service.yaml
+
+commonLabels:
+  app.kubernetes.io/name: portfolio
+  app.kubernetes.io/component: web
+
+images:
+  - name: ghcr.io/mayne0213/portfolio
+    newTag: latest

deploy/k8s/base/service.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: portfolio-service
+  labels:
+    app: portfolio-app
+spec:
+  type: ClusterIP
+  ports:
+    - name: http
+      port: 80
+      targetPort: 3000
+      protocol: TCP
+  selector:
+    app: portfolio-app

deploy/k8s/overlays/prod/deployment-patch.yaml

@@ -0,0 +1,19 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: portfolio-app
+  labels:
+    environment: production
+spec:
+  replicas: 1
+  template:
+    spec:
+      containers:
+        - name: portfolio-app
+          resources:
+            requests:
+              memory: "100Mi"
+              cpu: "50m"
+            limits:
+              memory: "200Mi"
+              cpu: "150m"

deploy/k8s/overlays/prod/kustomization.yaml

@@ -0,0 +1,18 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+namespace: portfolio
+
+resources:
+  - ../../base
+
+commonLabels:
+  environment: production
+
+# 이미지 태그 설정
+images:
+  - name: ghcr.io/mayne0213/portfolio
+    newTag: latest
+
+patchesStrategicMerge:
+  - deployment-patch.yaml