chore: slack notifications on failures

Author: darora

.github/workflows/ami-release.yml

@@ -19,3 +19,13 @@ jobs:
         run: |
           GIT_SHA=$(git rev-parse HEAD)
           packer build -var "git-head-version=${GIT_SHA}" -var-file="development-arm.vars.pkr.hcl" -var-file="common.vars.pkr.hcl" amazon-arm64.pkr.hcl
+
+      - name: Slack Notification
+        if: ${{ failure() }}
+        uses: rtCamp/action-slack-notify@v2
+        env:
+          SLACK_WEBHOOK: ${{ secrets.SLACK_NOTIFICATIONS_WEBHOOK }}
+          SLACK_USERNAME: 'gha-failures-notifier'
+          SLACK_COLOR: 'danger'
+          SLACK_MESSAGE: 'Building Postgres AMI failed'
+          SLACK_FOOTER: ''

.github/workflows/dockerhub-release.yml

@@ -60,6 +60,16 @@ jobs:
           cache-from: type=gha
           cache-to: type=gha,mode=max
 
+      - name: Slack Notification
+        if: ${{ failure() }}
+        uses: rtCamp/action-slack-notify@v2
+        env:
+          SLACK_WEBHOOK: ${{ secrets.SLACK_NOTIFICATIONS_WEBHOOK }}
+          SLACK_USERNAME: 'gha-failures-notifier'
+          SLACK_COLOR: 'danger'
+          SLACK_MESSAGE: 'Building Postgres x86 image failed'
+          SLACK_FOOTER: ''
+
   docker_arm_release:
     needs: settings
     runs-on: [arm-runner]
@@ -100,6 +110,16 @@ jobs:
           platforms: linux/${{ env.arch }}
           no-cache: true
 
+      - name: Slack Notification
+        if: ${{ failure() }}
+        uses: rtCamp/action-slack-notify@v2
+        env:
+          SLACK_WEBHOOK: ${{ secrets.SLACK_NOTIFICATIONS_WEBHOOK }}
+          SLACK_USERNAME: 'gha-failures-notifier'
+          SLACK_COLOR: 'danger'
+          SLACK_MESSAGE: 'Building Postgres arm image failed'
+          SLACK_FOOTER: ''
+
   merge_manifest:
     needs: [settings, docker_x86_release, docker_arm_release]
     runs-on: ubuntu-latest
@@ -141,3 +161,13 @@ jobs:
           dst: |
             public.ecr.aws/supabase/postgres:${{ needs.settings.outputs.docker_version }}
             ghcr.io/supabase/postgres:${{ needs.settings.outputs.docker_version }}
+
+      - name: Slack Notification
+        if: ${{ failure() }}
+        uses: rtCamp/action-slack-notify@v2
+        env:
+          SLACK_WEBHOOK: ${{ secrets.SLACK_NOTIFICATIONS_WEBHOOK }}
+          SLACK_USERNAME: 'gha-failures-notifier'
+          SLACK_COLOR: 'danger'
+          SLACK_MESSAGE: 'Building Postgres image failed'
+          SLACK_FOOTER: ''