diff --git a/.DS_Store b/.DS_Store
index 39ba509..f2af216 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/.gitignore b/.gitignore
index 83eab2b..cc5ffdb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 CuestionarioKubernetes.docx
 Videos de Clase
 Hojas de Asistencia
-Clase 3
\ No newline at end of file
+Clase 3/Clase 3.pptx
+Clase 3/Ejercicio/nginx-app
\ No newline at end of file
diff --git a/Clase 3/.DS_Store b/Clase 3/.DS_Store
new file mode 100644
index 0000000..ea07b92
Binary files /dev/null and b/Clase 3/.DS_Store differ
diff --git a/Clase 3/Ejercicio/hello-app/hello-app.yaml b/Clase 3/Ejercicio/hello-app/hello-app.yaml
new file mode 100644
index 0000000..8aaab0c
--- /dev/null
+++ b/Clase 3/Ejercicio/hello-app/hello-app.yaml	
@@ -0,0 +1,47 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: hello
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: my-hello-svc
+  namespace: hello
+  labels:
+    app: hello
+spec:
+  type: ClusterIP
+  selector:
+    app: hello
+  ports:
+  - port: 80
+    targetPort: 8080
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: my-hello
+  namespace: hello
+  labels:
+    app: hello
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: hello
+  template:
+    metadata:
+      labels:
+        app: hello
+    spec:
+      containers:
+      - name: hello
+        image: gcr.io/google-samples/hello-app:1.0
+        resources:
+          limits:
+            memory: "128Mi"
+            cpu: "500m"
+        ports:
+        - containerPort: 8080
+