official docs flow failed - use helper script install method instead

.gitlab-ci.yml

@@ -41,19 +41,8 @@ e2e-environment:
     - apt update
     - apt install -y ca-certificates curl
 
-    # Add Docker's official GPG key
+    # Install docker via helper script
-    - install -m 0755 -d /etc/apt/keyrings
+    - curl -fsSL https://get.docker.com | bash
-    - curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
-    - chmod a+r /etc/apt/keyrings/docker.asc
-
-    # Add Docker's APT repository
-    - |
-      echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu \
-      $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}") stable" | \
-      tee /etc/apt/sources.list.d/docker.list > /dev/null
-
-    # Update APT sources and install docker
-    - apt update && apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
   script:
     - docker compose -f docker-compose.test.yml up -d --build
     - end=$((SECONDS + 30))