From b8f47aa9887c44029ba3ccd60ee34181651fd0ab Mon Sep 17 00:00:00 2001
From: Max Inden <mail@max-inden.de>
Date: Tue, 12 Sep 2023 07:54:29 +0200
Subject: [PATCH] ci: use `docker/metadata-action`

Current approach is not robust to more complex branch names.

Related https://github.com/libp2p/rust-libp2p/pull/4311#discussion_r1303958188.

Pull-Request: #4421.
---
 .github/workflows/docker-image.yml | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 7bde2040e2d..cd9a3fc7c56 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -3,9 +3,10 @@ name: Publish docker images
 on:
   push:
     branches:
-      - '**'
+      - 'master'
     tags:
       - 'libp2p-server-**'
+  pull_request:
 
 jobs:
   server:
@@ -22,9 +23,11 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
 
-      - name: Get branch or tag name
-        id: ref-name
-        run: echo ::set-output name=ref::${GITHUB_REF#refs/*/}
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ghcr.io/${{ github.repository }}-server
 
       - name: Build and push
         uses: docker/build-push-action@v4
@@ -32,4 +35,5 @@ jobs:
           context: .
           file: ./misc/server/Dockerfile
           push: true
-          tags: ghcr.io/${{ github.repository }}-server:${{ steps.ref-name.outputs.ref }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}