added README for gitlab container images with kaniko

gitlab/README.md

@@ -0,0 +1,37 @@
+# Build Scripts > Gitlab
+
+## Container images with Kaniko 
+
+Add to .gitlab-ci.yml
+
+```yaml
+
+include:
+  - remote: 'https://raw.githubusercontent.com/dhswt/build-scripts/master/gitlab/ContainerBuildKaniko.yml'
+
+docker-image:
+  extends: .BuildImageWithKaniko
+  # stage: package
+
+  # overwrite to change defaults for variables below
+  # variables:
+    # TAG_COMMIT_ENABLE: "true"
+    # TAG_COMMIT_PREFIX: "commit-"
+    # TAG_REF_SLUG_ENABLE: "true"
+    # DOCKERFILE: "$CI_PROJECT_DIR/Dockerfile"
+    # CONTEXT_DIR: "$CI_PROJECT_DIR"
+    # ADDITIONAL_REGISTRY_DESTINATIONS: ""
+    # ADD_GITLAB_REGISTRY_AUTH: "true"
+
+  # add gitlab job dependencies
+  # dependencies:
+  #  - build
+
+  # only build relevant branches/tags
+  # only:
+  #   refs:
+  #     # - master
+  #     - /^env\/.*$/i
+  #     - /^v[0-9].*$/i
+
+```