Merge pull request #23 from StatCan/124-nightly-builds

feat(nightly builds):

.github/workflows/build.yml

@@ -10,12 +10,16 @@
 #
 # 2. Change the values for the REGISTRY_NAME environment variables (below).
 name: build
-on: [pull_request]
+on: 
+  pull_request:
+  schedule: 
+    - cron: '0 22 * * *'
 
 # Environment variables available to all jobs and steps in this workflow
 env:
   REGISTRY_NAME: k8scc01covidacr
   TRIVY_VERSION: "v0.43.1"
+  SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_URL }}
 jobs:
   build:
     services:
@@ -49,3 +53,10 @@ jobs:
         exit-code: '1'
         exit-level: 'fatal'
         ignore: 'DKL-DI-0006'
+
+    - name: Slack Notification
+      if: failure() && github.event_name=='schedule'
+      uses: act10ns/slack@v1
+      with: 
+        status: failure
+        message: profile-state-controller build failed. https://github.com/StatCan/aaw-profile-state-controller/actions/runs/${{github.run_id}}