refactor(04_*_deployment.yml): Move replicas before selector & rename containers to main

Author: ondrejsika

04_01_deployment.yml

@@ -4,10 +4,10 @@ metadata:
   name: hello-world
 spec:
   revisionHistoryLimit: 0
+  replicas: 2
   selector:
     matchLabels:
       app: hello-world-deploy
-  replicas: 2
   template:
     metadata:
       labels:

04_02_deployment.yml

@@ -4,18 +4,18 @@ metadata:
   name: hello-world
 spec:
   revisionHistoryLimit: 0
+  replicas: 2
   selector:
     matchLabels:
       app: hello-world-deploy
-  replicas: 2
   template:
     metadata:
       labels:
         app: hello-world-deploy
         svc: example
     spec:
       containers:
-        - name: hello-world
+        - name: main
           image: ondrejsika/training-example:yellow
           ports:
             - containerPort: 80

04_03_deployment.yml

@@ -4,18 +4,18 @@ metadata:
   name: hello-world
 spec:
   revisionHistoryLimit: 0
+  replicas: 2
   selector:
     matchLabels:
       app: hello-world-deploy
-  replicas: 2
   template:
     metadata:
       labels:
         app: hello-world-deploy
         svc: example
     spec:
       containers:
-        - name: hello-world
+        - name: main
           image: nginx
           ports:
             - containerPort: 80

04_04_deployment.yml

@@ -4,18 +4,18 @@ metadata:
   name: hello-world
 spec:
   revisionHistoryLimit: 0
+  replicas: 2
   selector:
     matchLabels:
       app: hello-world-deploy
-  replicas: 2
   template:
     metadata:
       labels:
         app: hello-world-deploy
         svc: example
     spec:
       containers:
-        - name: hello-world
+        - name: main
           image: httpd
           ports:
             - containerPort: 80

04_05_deployment.yml

@@ -4,18 +4,18 @@ metadata:
   name: hello-world
 spec:
   revisionHistoryLimit: 0
+  replicas: 2
   selector:
     matchLabels:
       app: hello-world-deploy
-  replicas: 2
   template:
     metadata:
       labels:
         app: hello-world-deploy
         svc: example
     spec:
       containers:
-        - name: hello-world
+        - name: main
           image: ondrejsika/not-existing-image
           ports:
             - containerPort: 80