From 9e4241aafc37dffb4b816810703913a1a5ba8102 Mon Sep 17 00:00:00 2001
From: Philipp Hofer <philipp@hofer.link>
Date: Mon, 19 May 2025 18:05:30 +0200
Subject: [PATCH] ci

---
 .gitea/workflows/docker-build.yml | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/.gitea/workflows/docker-build.yml b/.gitea/workflows/docker-build.yml
index 4145f7a..c4f5b7f 100644
--- a/.gitea/workflows/docker-build.yml
+++ b/.gitea/workflows/docker-build.yml
@@ -13,15 +13,26 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v3
 
-      # Install Docker if not available
+
+      # Install Docker for Debian
       - name: Install Docker
         run: |
           if ! command -v docker &> /dev/null; then
-            echo "Installing Docker..."
+            echo "Installing Docker for Debian..."
             apt-get update
-            apt-get install -y apt-transport-https ca-certificates curl software-properties-common
-            curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
-            add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable"
+            apt-get install -y apt-transport-https ca-certificates curl gnupg lsb-release
+
+            # Add Docker's official GPG key
+            install -m 0755 -d /etc/apt/keyrings
+            curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+            chmod a+r /etc/apt/keyrings/docker.gpg
+
+            # Add the repository to sources list
+            echo \
+              "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian \
+              $(lsb_release -cs) stable" | \
+              tee /etc/apt/sources.list.d/docker.list > /dev/null
+
             apt-get update
             apt-get install -y docker-ce docker-ce-cli containerd.io
           else