install docker per docs as before_script step

.gitlab-ci.yml

@@ -36,6 +36,24 @@ test:
 # Start E2E environment
 e2e-environment:
   stage: e2e-setup
+  before_script:
+    # Install required packages
+    - sudo apt update
+    - sudo apt install -y ca-certificates curl
+
+    # Add Docker's official GPG key
+    - sudo install -m 0755 -d /etc/apt/keyrings
+    - sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
+    - sudo 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:-$VERSION_CODENAME}") stable" | \
+      sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+
+    # Update APT sources and install docker
+    - sudo apt update && apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
   script:
     - docker compose -f docker-compose.test.yml up -d --build
     - end=$((SECONDS + 30))