use the docker image directly

Author: jeremydubreil

action.yaml

@@ -44,16 +44,13 @@ outputs:
     description: 'If a comment was posted, a link to this comment'
     value: ${{ steps.run-analysis.outputs.comment-posted }}
 runs:
-  using: 'composite'
+  using: 'docker'
+  image: 'docker://lacework/codesec:stable'
   steps:
-    - if: runner.os == 'Linux'
+    - run: find . -type f -print
+    - name: Set start time
       shell: bash
       run: echo "LACEWORK_START_TIME=$(date --rfc-3339=seconds)" >> $GITHUB_ENV
-    - if: runner.os == 'macOS'
-      shell: bash
-      run: |
-        brew install coreutils
-        echo "LACEWORK_START_TIME=$(gdate --rfc-3339=seconds)" >> $GITHUB_ENV
     - id: init
       shell: bash
       env: