added github action for hadolint

.github/workflows/dockerfile-hadolint.yml

@@ -0,0 +1,25 @@
+# This workflow uses actions that are not certified by GitHub.
+# They are provided by a third-party and are governed by
+# separate terms of service, privacy policy, and support
+# documentation.
+
+# GitHub recommends pinning actions to a commit SHA.
+# To get a newer version, you will need to update the SHA.
+# You can also reference a tag or branch, but the action may change without warning.
+
+name: Lint Dockerfile
+
+on:
+  push:
+    branches: 
+      - '**'
+jobs:
+  dockerfile_linting:
+    name: Dockerfile linting
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: hadolint/[email protected]
+        with:
+          dockerfile: ./Dockerfile
+          config: ./.config/hadolint.yml