From 662eb7ca8c53262237779343dab02beb281d21df Mon Sep 17 00:00:00 2001
From: Mike Brady <4265913+mikebrady@users.noreply.github.com>
Date: Wed, 28 Sep 2022 15:54:55 +0100
Subject: [PATCH] Update docker-build-on-formal-release.yaml

Look for literal dots and include a X.YrcZ pattern for testing
---
 .github/workflows/docker-build-on-formal-release.yaml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/docker-build-on-formal-release.yaml b/.github/workflows/docker-build-on-formal-release.yaml
index b7e8251f..fc698373 100644
--- a/.github/workflows/docker-build-on-formal-release.yaml
+++ b/.github/workflows/docker-build-on-formal-release.yaml
@@ -12,9 +12,10 @@ name: Formal (X, X.Y or X.Y.Z) release tags -- docker build and push.
 on:
   push:
     tags:
-      - '[0-9]+.[0-9]+.[0-9]+'  # e.g. 8.9.0
-      - '[0-9]+.[0-9]+'  # e.g. 8.9
+      - '[0-9]+\.[0-9]+\.[0-9]+'  # e.g. 8.9.0
+      - '[0-9]+\.[0-9]+'  # e.g. 8.9
       - '[0-9]+'  # e.g. 8
+      - '[0-9]+\.[0-9]+rc[0-9]+' # e.g. 4.1rc0
 
 env:
   DOCKER_PLATFORMS: linux/386,linux/amd64,linux/arm/v6,linux/arm64,linux/arm/v7