Update devfile parent to 3.0.0

Signed-off-by: thepetk <thepetk@gmail.com>

Author: thepetk

README.md

@@ -1,6 +1,6 @@
 # Creating an application with a Python code sample
 
-**Note:** The Python code sample uses the **8081** HTTP port.
+**Note:** The Python code sample version `1.0.2` uses the **8080** HTTP port.
 
 Before you begin creating an application with this `devfile` code sample, it's helpful to understand the relationship between the `devfile` and `Dockerfile` and how they contribute to your build. You can find these files at the following URLs:
 

devfile.yaml

@@ -8,7 +8,7 @@ metadata:
     'Python is an interpreted, object-oriented, high-level programming language with dynamic semantics.
     Its high-level built in data structures, combined with dynamic typing and dynamic binding, make it very attractive for Rapid Application Development, as well as for use as a scripting or glue language to connect existing components together.'
   language: Python
-  version: 1.0.1
+  version: 1.0.2
   provider: Red Hat
   tags:
     - Python
@@ -20,38 +20,40 @@ metadata:
 parent:
   id: python
   registryUrl: 'https://registry.devfile.io'
-components:
-  - name: image-build
+  version: 3.0.0
+  commands:
+  - id: build-image
+    apply:
+      component: build
+  - id: deployk8s
+    apply:
+      component: deploy
+  - id: deploy
+    composite:
+      commands:
+        - build-image
+        - deployk8s
+      group:
+        kind: deploy
+        isDefault: true
+  components:
+  - name: build
     image:
       imageName: python-image:latest
       dockerfile:
         uri: docker/Dockerfile
         buildContext: .
         rootRequired: false
-  - name: kubernetes-deploy
+  - name: deploy
     attributes:
       deployment/replicas: 1
       deployment/cpuRequest: 10m
       deployment/memoryRequest: 50Mi
-      deployment/container-port: 8081
+      deployment/container-port: 8080
     kubernetes:
-      uri: deploy.yaml
+      uri: kubernetes/deploy.yaml
       endpoints:
-      - name: http-8081
-        targetPort: 8081
+      - name: http-8080
+        targetPort: 8080
         path: /
-commands:
-  - id: build-image
-    apply:
-      component: image-build
-  - id: deployk8s
-    apply:
-      component: kubernetes-deploy
-  - id: deploy
-    composite:
-      commands:
-        - build-image
-        - deployk8s
-      group:
-        kind: deploy
-        isDefault: true
+

docker/Dockerfile

@@ -1,8 +1,8 @@
 FROM registry.access.redhat.com/ubi9/python-39:1-117.1684741281
 
-# By default, listen on port 8081
-EXPOSE 8081/tcp
-ENV FLASK_PORT=8081
+# By default, listen on port 8080
+EXPOSE 8080/tcp
+ENV FLASK_PORT=8080
 
 # Set the working directory in the container
 WORKDIR /projects