Build Dockerfile in CI

.gitlab-ci.yml

@@ -173,6 +173,29 @@ deploy:linux:
   interruptible: true
   resource_group: deploy_linux
 
+deploy:docker:
+  stage: deploy
+  variables:
+    GIT_STRATEGY: none
+  tags:
+    - docker
+  image:
+    name: gcr.io/kaniko-project/executor:debug
+    entrypoint: [""]
+  stage: ci-img
+  script:
+    - echo "{\"auths\":{\"$CI_REGISTRY\":{\"username\":\"$CI_REGISTRY_USER\",\"password\":\"$CI_REGISTRY_PASSWORD\"}}}" > /kaniko/.docker/config.json
+    - /kaniko/executor --context=$CI_PROJECT_DIR --dockerfile=$CI_PROJECT_DIR/Dockerfile-prebuilt --verbosity=warn --destination=$CI_REGISTRY_IMAGE:latest
+  needs:
+    - job: build:linux
+      artifacts: true
+  rules:
+    - if: '$CI_COMMIT_REF_NAME == "master"'
+      when: always
+    - if: '$CI_COMMIT_REF_NAME =~ /^v\d\.\d\.\d-patching$/'
+      when: always
+  interruptible: true
+
 deploy:win:
   stage: deploy
   image:

Dockerfile-prebuilt

+FROM ubuntu:focal as decker
+
+RUN apt-get update && apt-get install -y \
+    graphviz \
+    gnuplot \
+    rsync \
+    unzip \
+    zip
+
+COPY decker /usr/bin/decker 
+ADD https://dl.min.io/client/mc/release/linux-amd64/mc /usr/bin/mc
+RUN chmod +x /usr/bin/mc
+
+#set the encoding on UTF-8, so the parser works correctly, german language is also added for umlaute
+#source of fix: https://blog.mkowalski.net/2016/05/16/solving-locale-issues-with-docker-containers/
+RUN apt-get install --reinstall -y locales && \
+    sed -i 's/# de_DE.UTF-8 UTF-8/de_DE.UTF-8 UTF-8/' /etc/locale.gen && \
+    locale-gen de_DE.UTF-8
+ENV LANG de_DE.UTF-8
+ENV LANGUAGE de_DE
+ENV LC_ALL de_DE.UTF-8
+RUN dpkg-reconfigure --frontend noninteractive locales
+
+WORKDIR /decker
+
+ENTRYPOINT ["decker"]