Migrate from Docker-based to composite action

.github/dependabot.yml

@@ -0,0 +1,21 @@
+version: 2
+registries:
+  - package-ecosystem: "github-actions"
+    directories:
+      - "/"
+    rebase-strategy: "disabled"
+    schedule:
+      interval: "daily"
+    open-pull-requests-limit: 99
+    cooldown:
+      default-days: 7
+  - package-ecosystem: "bundler"
+    directories:
+      - "/"
+    rebase-strategy: "disabled"
+    insecure-external-code-execution: allow
+    schedule:
+      interval: "daily"
+    open-pull-requests-limit: 99
+    cooldown:
+      default-days: 7

.github/workflows/test.yml

@@ -0,0 +1,28 @@
+name: Test
+
+on:
+  push:
+
+jobs:
+  tests:
+    strategy:
+      fail-fast: false
+      matrix:
+        suite:
+          - rspec
+          - rubocop
+
+    name: Run ${{ matrix.suite }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        with:
+          persist-credentials: false
+      - uses: ruby/setup-ruby@d5126b9b3579e429dd52e51e68624dda2e05be25 # v1.267.0
+        env:
+          BUNDLE_WITH: test
+        with:
+          bundler-cache: true
+      - env:
+          SUITE: ${{ matrix.suite }}
+        run: bundle exec "$SUITE"

.ruby-version

@@ -0,0 +1 @@
+3.4.5

Gemfile

@@ -1,9 +1,11 @@
-source 'https://rubygems.org' do
-  gem 'aws-sdk-states'
+source 'https://rubygems.org'
 
-  group :test do
-    gem 'nokogiri'
-    gem 'rspec'
-    gem 'rspec-mocks'
-  end
+gem 'aws-sdk-states'
+gem 'base64'
+gem 'logger'
+
+group :test do
+  gem 'nokogiri'
+  gem 'rspec'
+  gem 'rspec-mocks'
 end

Gemfile.lock

@@ -1,6 +1,3 @@
-GEM
-  specs:
-
 GEM
   remote: https://rubygems.org/
   specs:
@@ -16,8 +13,10 @@ GEM
       aws-sigv4 (~> 1.1)
     aws-sigv4 (1.5.2)
       aws-eventstream (~> 1, >= 1.0.2)
+    base64 (0.3.0)
     diff-lcs (1.5.1)
     jmespath (1.6.2)
+    logger (1.7.0)
     nokogiri (1.18.9-arm64-darwin)
       racc (~> 1.4)
     nokogiri (1.18.9-x86_64-linux-gnu)
@@ -40,13 +39,16 @@ GEM
 PLATFORMS
   arm64-darwin-21
   arm64-darwin-23
+  arm64-darwin-24
   x86_64-linux
 
 DEPENDENCIES
-  aws-sdk-states!
-  nokogiri!
-  rspec!
-  rspec-mocks!
+  aws-sdk-states
+  base64
+  logger
+  nokogiri
+  rspec
+  rspec-mocks
 
 BUNDLED WITH
-   2.3.7
+   2.7.2

action.yml

@@ -1,13 +1,25 @@
-# action.yml
-name: 'StepFunction Deployment Monitoring'
-description: 'Polls a step function until completion.'
-runs:
-  using: 'docker'
-  image: 'Dockerfile'
-  args:
-    - ${{ inputs.EXECUTION_ARN }}
+name: StepFunction Deployment Monitoring
+author: FreeAgent
+description: Polls a step function until completion.
+inputs:
+  execution_arn:
+    description: ARN of a State Machine execution to monitor
+    required: true
 outputs:
   deployment_failed:
-    description: True or false depending on whether the deployment failed
+    description: true or false depending on whether the deployment failed
   deployment_failure_reason:
     description: A brief explanation on why the deployment failed
+
+runs:
+  using: composite
+  steps:
+    - uses: ruby/setup-ruby@d5126b9b3579e429dd52e51e68624dda2e05be25 # v1.267.0
+      with:
+        bundler-cache: true
+    - shell: bash
+      env:
+        EXECUTION_ARN: ${{ inputs.execution_arn }}
+      run: |
+        cd "${{ github.action_path }}"
+        bundle exec ruby app.rb