Reindentation and change labels

doc/docs/usage.md

@@ -83,7 +83,8 @@ services:
     environment:
       MYSQL_ROOT_PASSWORD: foobar
     labels:
-            katenary.io/ports: 3306
+      katenary.v3/ports: |-
+        - 3306
 ```
 
 ### Declare ingresses
@@ -97,7 +98,9 @@ services:
     image: ...
     ports: 8080:5050
     labels:
-            katenary.io/ingress: 5050
+      katenary.v3/ingress: |-
+        port: 5050
+        hostname: myapp.example.com
 ```
 
 Note that the port to bind is the one used by the container, not the used locally. This is because Katenary create a service to bind the container itself.
@@ -130,7 +133,7 @@ services:
     environment:
       DB_HOST: database
     labels:
-            katenary.io/mapenv: |
+      katenary.v3/mapenv: |-
         DB_HOST: "{{ .Release.Name }}-database"
 
   database:
@@ -138,7 +141,7 @@ services:
 ```
 
 !!! Warning
-    This is a "multiline" label that accepts YAML or JSON content, don't forget to add a pipe char (`|`) and to indent your content
+    This is a "multiline" label that accepts YAML or JSON content, don't forget to add a pipe char (`|` or `|-`) and to **indent** your content
 
 This label can be used to map others environment for any others reason. E.g. to change an informational environment variable.
 
@@ -150,7 +153,7 @@ services:
     environment:
       RUNNING: docker
     labels:
-            katenary.io/mapenv: |
+      katenary.v3/mapenv: |-
         RUNNING: kubernetes
 ```