Update run service and dockerfile

Dockerfile

@@ -1,6 +1,6 @@
 FROM ruby:2.7.5-alpine
 
-RUN gem install brakeman
+RUN gem install brakeman -v 5.2.1
 
 COPY lib /action/lib
 

README.md

@@ -1,13 +1,19 @@
-## Brakeman github action
+## Brakeman results parser github action
 
 Brakeman is a static analysis tool which checks Ruby on Rails applications for security vulnerabilities.
-[See more](https://github.com/presidentbeef/brakeman)
+
+You can read more about Brakeman itself [here](https://github.com/presidentbeef/brakeman).
+
+This action helps make sure that brakeman results get accurately added to pull requests, in the event of a new issue.
+
+Currently we hardcode the brakeman version (5.2.1) to prevent the unintended consequences of pulling down the latest version
+regardless of context.
 
 ### Usage
 
 ```yml
 - name: Brakeman
-  uses: cookpad/[email protected].1
+  uses: cookpad/[email protected].2
   env:
     GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
 ```
@@ -22,7 +28,7 @@ Brakeman is a static analysis tool which checks Ruby on Rails applications for s
   run: |
     brakeman -f json > tmp/brakeman.json || exit 0
 - name: Brakeman
-  uses: cookpad/[email protected].1
+  uses: cookpad/[email protected].2
   env:
     GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
     REPORT_PATH: tmp/brakeman.json
@@ -32,7 +38,7 @@ Brakeman is a static analysis tool which checks Ruby on Rails applications for s
 
 ```yml
 - name: Brakeman
-  uses: cookpad/[email protected].1
+  uses: cookpad/[email protected].2
   env:
     GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
     PROJECT_PATH: my_rails_app
@@ -51,7 +57,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Brakeman
-      uses: cookpad/[email protected].1
+      uses: cookpad/[email protected].2
       env:
         GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
 ```

lib/github_check_run_service.rb

@@ -20,8 +20,7 @@ def run
     @annotations = @report_adapter.annotations(@report)
     @conclusion = @report_adapter.conslusion(@report)
 
-    pp '$' * 20
-    pp '%' * 20
+    puts @summary
 
     result = {}
     @annotations.each_slice(MAX_ANNOTATIONS_SIZE) do |annotations|