ci

.docker/Dockerfile

 FROM debian:latest
 RUN apt-get update && \
-	apt-get install tox curl python3-pip -y
+	apt-get install docker.io tox curl python3-pip -y
 RUN pip3 install docker-compose
 COPY wait-for-it.sh /wait-for-it.sh
 CMD /bin/bash

.gitlab-ci.yml

@@ -42,7 +42,7 @@ variables:
    # When using dind, it's wise to use the overlayfs driver for
    # improved performance.
    DOCKER_DRIVER: overlay2
-   CAOSDB_TAG: latest
+   : latest
 
 services:
   - docker:dind
@@ -58,6 +58,9 @@ test:
   #  entrypoint: ["/bin/sh", "-c"]
   image: $CI_REGISTRY_IMAGE:latest
   script:
+      - if [[ "$CAOSDB_TAG" == "" ]]; then
+            CAOSDB_TAG=latest
+        fi
       - docker login -u testuser -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
       - cd .docker
       - docker-compose  up -d