From 755879cf5c736ed1606ffeca93316af7da3c30e1 Mon Sep 17 00:00:00 2001
From: Emma Jamieson-Hoare <emmajam@users.noreply.github.com>
Date: Wed, 4 Feb 2026 18:16:49 +0000
Subject: [PATCH] ci(docker): notify Slack on nightly build failure (#21819)

Co-authored-by: Amp <amp@ampcode.com>
---
 .github/workflows/docker.yml | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index fadcd03f98..b9aa0d0bc3 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -112,3 +112,16 @@ jobs:
             "ghcr.io/${{ github.repository_owner }}" \
             "${{ steps.params.outputs.ethereum_tags }}" \
             "${{ steps.params.outputs.optimism_tags }}"
+
+  notify:
+    name: Notify on failure
+    runs-on: ubuntu-latest
+    needs: build
+    if: failure() && github.event_name == 'schedule'
+    steps:
+      - name: Slack Webhook Action
+        uses: rtCamp/action-slack-notify@v2
+        env:
+          SLACK_COLOR: ${{ job.status }}
+          SLACK_MESSAGE: "Failed run: https://github.com/paradigmxyz/reth/actions/runs/${{ github.run_id }}"
+          SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK_URL }}