Added Image name input (#15)

Author: goruha

README.md

@@ -197,6 +197,7 @@ If you skip `from` tag then it would be populated as SHA of the current commit i
 | Name | Description | Default | Required |
 |------|-------------|---------|----------|
 | from | Source tag | N/A | false |
+| image\_name | Image name (excluding registry). Defaults to {{$organization/$repository}}. |  | false |
 | login | Docker login |  | false |
 | organization | Organization | N/A | true |
 | password | Docker password |  | false |

action.yml

@@ -14,6 +14,10 @@ inputs:
   registry:
     description: 'Docker registry'
     required: true
+  image_name:
+    description: "Image name (excluding registry). Defaults to {{$organization/$repository}}."
+    required: false
+    default: ''
   from:
     required: false
     description: "Source tag"
@@ -51,9 +55,12 @@ runs:
     - uses: cloudposse/[email protected]
       id: context
       with:
-        query: .
+        query: .${{ inputs.image_name == '' }}
         config: |-
-          image : ${{ inputs.registry }}/${{ inputs.organization }}/${{ inputs.repository }}
+          true:
+            image : ${{ inputs.registry }}/${{ inputs.organization }}/${{ inputs.repository }}
+          false:
+            image : ${{ inputs.registry }}/${{ inputs.image_name }}
 
     - name: Login
       uses: docker/login-action@v2

docs/github-action.md

@@ -5,6 +5,7 @@
 | Name | Description | Default | Required |
 |------|-------------|---------|----------|
 | from | Source tag | N/A | false |
+| image\_name | Image name (excluding registry). Defaults to {{$organization/$repository}}. |  | false |
 | login | Docker login |  | false |
 | organization | Organization | N/A | true |
 | password | Docker password |  | false |