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 # Compliance-rules
+
 Compliance repo with main rules for SCA and SAST scan
+
+This repository provides common GitHub workflows for Mend and CodeQL scans.
+
+## Configure Mand workflow in a GitHub repository
+
+- Create `mend.yml` workflow in your project repository
+
+```yaml
+name: Mend
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+    inputs:
+      branch:
+        type: string
+        required: false
+        default: main
+  workflow_call:
+    inputs:
+      branch:
+        type: string
+        required: true
+
+permissions:
+  contents: read
+
+jobs:
+  mend:
+    uses: nginxinc/compliance-rules/.github/workflows/mend.yml@<git_tag>
+    secrets: inherit
+    with:
+      product_name: <caller_product_name>_${{ github.head_ref || github.ref_name }}
+      project_name: <caller_project_name>
+```
+
+- In the `mend` job reference the main mend workflow (in this repository)
+
+```yaml
+uses: nginxinc/compliance-rules/.github/workflows/mend.yml@<git_tag>
+```
+
+- Configure `product_name` and `project_name` variables. They represent caller github repository `product` and `project` name.
+
+```yaml
+product_name: <caller_product_name>_${{ github.head_ref || github.ref_name }}
+project_name: <caller_project_name>
+```
+
+### Mend workflow
+
+1. GitHub triggers the mend workflow defined in a project repository (for example `ProjectABC`)
+1. Mend job references mend rules (main `mend.yml`) defined in the workflow in this repository.
+1. Mend scans the `ProjectABC` code and generates vulenerability report.
+1. Depends on the scan (vulnerability) rules defined in the main `mand.yml` the pipeline fails or passes the scan.
+1. The GitHub repository (`ProjectA`) must be configured to reject PRs (prevent from merging with the `main` branch) if the mend pipeline fails.  
+
+## Configure CodeQL workflow in a GitHub repository
+
+- Create `codeql.yml` workflow in your project repository
+
+```yaml
+name: "CodeQL"
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+    inputs:
+      branch:
+        type: string
+        required: false
+        default: main
+  workflow_call:
+    inputs:
+      branch:
+        type: string
+        required: true
+
+concurrency:
+  group: ${{ github.ref_name }}-codeql
+  cancel-in-progress: true
+
+permissions:
+  contents: read
+
+jobs:
+  codeql:
+    uses: nginxinc/compliance-rules/.github/workflows/codeql.yml@<git_tag>
+    with:
+      requested_languages: go
+```
+
+- In the `codeql` job reference the main `codeql` workflow (in this repository)
+
+```yaml
+uses: nginxinc/compliance-rules/.github/workflows/codeql.yml@<git_tag>
+```
+
+### CodeQL workflow
+
+1. GitHub triggers the CodeQL workflow defined in a project repository (for example `ProjectABC`)
+1. CodeQL job references `codeql` rules (main `codeql.yml`) defined in the workflow in this repository.
+1. CodeQL analyses the `ProjectABC` code.
+1. Depends on the results the pipeline fails or passes.
+1. The GitHub repository (`ProjectA`) must be configured to reject PRs (prevent from merging with the `main` branch) if the codeql detects issues and the pipeline fails.