5-implement-integrity-check-of-documents

Closes https://code.vereign.com/code/signing-service-java/issues/5

.gitlab-ci.yml

@@ -25,7 +25,11 @@ ppc64le:
   tags:
     - ppc64le
   script:
-    - docker build --build-arg GITLAB_LOGIN=gitlab-ci-token --build-arg GITLAB_PASSWORD=$CI_JOB_TOKEN --pull -t $IMAGE -f Dockerfile .
+    - printenv
+    - docker pull registry.vereign.com/docker/vcl-build-base:buster
+    - docker pull registry.vereign.com/docker/go-runtime:master
+#    - docker build --build-arg GITLAB_LOGIN=gitlab-ci-token --build-arg GITLAB_PASSWORD=$CI_JOB_TOKEN --pull -t $IMAGE -f Dockerfile .
+    - docker build --build-arg GITLAB_LOGIN=gitlab-ci-token --build-arg GITLAB_PASSWORD=$CI_JOB_TOKEN -t $IMAGE -f Dockerfile .
     - docker push $IMAGE
 
 amd64: