From 38122b2d3f2a55f475c646cd1666fe97770b63ba Mon Sep 17 00:00:00 2001
From: cmdoret <cyril.mattheydoret@gmail.com>
Date: Mon, 10 Aug 2026 13:42:54 +0200
Subject: [PATCH] ci(docker): pass push and tags as inputs

---
 .github/workflows/docker.yaml | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/docker.yaml b/.github/workflows/docker.yaml
index 31a1252..a67605f 100644
--- a/.github/workflows/docker.yaml
+++ b/.github/workflows/docker.yaml
@@ -1,5 +1,5 @@
 name: docker
-# Reusable: build one image and push it to GHCR (push skipped on pull requests).
+# Build one image and push it to GHCR. Push and tags optional.
 on:
   workflow_call:
     inputs:
@@ -11,6 +11,16 @@ on:
         description: "Build context directory"
         required: true
         type: string
+      tag:
+        description: "Extra tag to publish, e.g. pr-12-a1b2c3d. Empty to rely on the tags derived from the ref."
+        required: false
+        default: ""
+        type: string
+      push:
+        description: "Push to GHCR. False builds only, which still checks the Dockerfile."
+        required: false
+        default: false
+        type: boolean
 
 jobs:
   build-and-push:
@@ -22,6 +32,7 @@ jobs:
       - uses: docker/setup-buildx-action@v3
 
       - uses: docker/login-action@v3
+        if: inputs.push
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
@@ -34,11 +45,11 @@ jobs:
           tags: |
             type=raw,value=latest,enable={{is_default_branch}}
             type=ref,event=tag
-            type=ref,event=pr
+            type=raw,value=${{ inputs.tag }},enable=${{ inputs.tag != '' }}
 
       - uses: docker/build-push-action@v6
         with:
           context: ${{ inputs.context }}
-          push: ${{ github.event_name != 'pull_request' }}
+          push: ${{ inputs.push }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}