Add dockerfile for spa action

Signed-off-by: KeisukeYamashita <19yamashita15@gmail.com>

Dockerfile

@@ -1,8 +1,3 @@
-# Container image that runs your code
-FROM alpine:3.10
+FROM ghcr.io/kekeniker/spa:latest:v0.0.6
 
-# Copies your code file from your action repository to the filesystem path `/` of the container
-COPY entrypoint.sh /entrypoint.sh
-
-# Code file to execute when the docker container starts up (`entrypoint.sh`)
-ENTRYPOINT ["/entrypoint.sh"]
+ENTRYPOINT ["spa"]

action.yml

@@ -1,15 +1,11 @@
-name: 'Hello World'
-description: 'Greet someone and record the time'
+name: 'action-spa'
+description: 'GitHub Action for Spinnaker Admin tool'
 inputs:
-  who-to-greet:  # id of input
-    description: 'Who to greet'
+  command:
+    description: 'Command to run'
     required: true
-    default: 'World'
-outputs:
-  time: # id of output
-    description: 'The time we greeted you'
 runs:
   using: 'docker'
   image: 'Dockerfile'
   args:
-    - ${{ inputs.who-to-greet }}
+    - ${{ inputs.command }}