feat: Add snyk container analysis every month

Author: cmmata

.github/workflows/snyk-container.yml

@@ -0,0 +1,42 @@
+name: Snyk Container
+
+on:
+  push:
+    branches: [ "main", v*.*.* ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ "main" ]
+  schedule:
+    - cron: '00 16 1 * *'
+
+permissions:
+  contents: read
+
+jobs:
+  snyk:
+    permissions:
+      contents: read # for actions/checkout to fetch code
+      security-events: write # for github/codeql-action/upload-sarif to upload SARIF results
+      actions: read # only required for a private repository by github/codeql-action/upload-sarif to get the Action run status
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build a Docker image
+      run: docker build -t appsinet/php_development .
+    - name: Run Snyk to check Docker image for vulnerabilities
+      # Snyk can be used to break the build when it detects vulnerabilities.
+      # In this case we want to upload the issues to GitHub Code Scanning
+      continue-on-error: true
+      uses: snyk/actions/docker@14818c4695ecc4045f33c9cee9e795a788711ca4
+      env:
+        # In order to use the Snyk Action you will need to have a Snyk API token.
+        # More details in https://github.com/snyk/actions#getting-your-snyk-token
+        # or you can signup for free at https://snyk.io/login
+        SNYK_TOKEN: ${{ secrets.SNYK_TOKEN }}
+      with:
+        image: appsinet/php_development
+        args: --file=Dockerfile
+    - name: Upload result to GitHub Code Scanning
+      uses: github/codeql-action/upload-sarif@v2
+      with:
+        sarif_file: snyk.sarif