Configure pre commits and workflow

Author: gabedos

.github/workflows/pre-commit.yaml

@@ -0,0 +1,20 @@
+name: Check formatting
+
+on: [pull_request, workflow_dispatch]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install pre-commit
+        run: pip install pre-commit
+
+      - name: Run pre-commit hooks
+        run: pre-commit run --all-files --hook-stage manual

.pre-commit-config.yaml

@@ -0,0 +1,17 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: end-of-file-fixer
+        stages: [manual, commit]
+      - id: trailing-whitespace
+        stages: [manual, commit]
+
+  - repo: local
+    hooks:
+      - id: make-fmt
+        name: Run make fmt to format terraform code
+        entry: make fmt
+        language: system
+        types: [text]
+        stages: [commit]

Makefile

@@ -4,3 +4,5 @@ license:
 	dd-license-attribution https://github.com/datadog/terraform-aws-ecs-datadog/ --no-gh-auth > LICENSE-3rdparty.csv
 test:
 	go test ./tests
+pre-commit:
+	pre-commit run --all-files