docs: build docs on new version

.gitlab-ci.yml

@@ -49,7 +49,6 @@ build-dev-image:
       - tags
       - /^version/.*$/
 
-
 isort:
   script:
     - isort -c -sg env
@@ -98,6 +97,18 @@ build-passbook-server:
   only:
     - tags
     - /^version/.*$/
+build-docs:
+  stage: build
+  image:
+    name: gcr.io/kaniko-project/executor:debug
+    entrypoint: [""]
+  before_script:
+    - echo "{\"auths\":{\"docker.beryju.org\":{\"auth\":\"$DOCKER_AUTH\"}}}" > /kaniko/.docker/config.json
+  script:
+    - /kaniko/executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/docs/Dockerfile --destination docker.beryju.org/passbook/docs:latest --destination docker.beryju.org/passbook/docs:0.7.4-beta
+  only:
+    - tags
+    - /^version/.*$/
 build-passbook-static:
   stage: build
   image: