Configure Hadolint in a single location for both hooks and CI

Author: stumpylog

.github/workflows/reusable-ci-backend.yml

@@ -124,8 +124,6 @@ jobs:
         name: Checkout
         uses: actions/checkout@v3
       -
-        uses: hadolint/[email protected].0
+        uses: hadolint/[email protected]
         with:
-          failure-threshold: warning
           dockerfile: ${{ matrix.dockerfile }}
-          ignore: DL3008,DL3013,DL3003

.hadolint.yml

@@ -0,0 +1,8 @@
+failure-threshold: warning
+ignored:
+  # https://github.com/hadolint/hadolint/wiki/DL3008
+  - DL3008
+  # https://github.com/hadolint/hadolint/wiki/DL3013
+  - DL3013
+  # https://github.com/hadolint/hadolint/wiki/DL3003
+  - DL3003

.pre-commit-config.yaml

@@ -74,13 +74,6 @@ repos:
     rev: v2.10.0
     hooks:
       - id: hadolint
-        args:
-          - --ignore
-          - DL3008      # https://github.com/hadolint/hadolint/wiki/DL3008  (should probably do this at some point)
-          - --ignore
-          - DL3013      # https://github.com/hadolint/hadolint/wiki/DL3013  (should probably do this too at some point)
-          - --ignore
-          - DL3003      # https://github.com/hadolint/hadolint/wiki/DL3003  (seems excessive to use WORKDIR so much)
   # Shell script hooks
   - repo: https://github.com/lovesegfault/beautysh
     rev: v6.2.1