New ci/cd

.gitlab-ci.yml

 image: maven:3.8.3-openjdk-17
 
+services:
+  - docker:20.10.12-dind
+
 stages:
   - build-dmn-generator
   - build-application-jar
-  - build-application-docker
+  - build-docker-image
+  - push-docker-image
 
 cache:
   key: ${CI_COMMIT_REF_SLUG}
@@ -55,4 +59,55 @@ build-api-jar:
   artifacts:
     name: "Maven artifacts from $CI_PROJECT_NAME / API on $CI_COMMIT_REF_SLUG"
     paths:
-      - "dmnverifierapi/target/*"
\ No newline at end of file
+      - "dmnverifierapi/target/*"
+
+
+build-frontend-docker:
+  image: docker:20.10.12-dind
+  stage: build-docker-image
+  tags:
+    - docker-privileged
+  variables:
+    DOCKER_HOST: tcp://docker:2375
+    DOCKER_TLS_CERTDIR: ""
+  dependencies:
+    - build-dmn-generator
+  script:
+    - cd dmnverifierfrontend
+    - echo -n $CI_REGISTRY_PASSWORD | docker login -u $CI_REGISTRY_USER --password-stdin $CI_REGISTRY
+    - docker pull $CI_REGISTRY_IMAGE:latest || true
+    - >
+      docker build
+      -f src/main/docker/Dockerfile.jvm
+      --pull
+      --build-arg http_proxy=$http_proxy
+      --build-arg https_proxy=$https_proxy
+      --build-arg no_proxy=$no_proxy
+      --cache-from $CI_REGISTRY_IMAGE:latest
+      --label "de.uni-koblenz.process-science.image.title=$CI_PROJECT_TITLE"
+      --label "de.uni-koblenz.process-science.image.url=$CI_PROJECT_URL"
+      --label "de.uni-koblenz.process-science.image.created=$CI_JOB_STARTED_AT"
+      --label "de.uni-koblenz.process-science.image.revision=$CI_COMMIT_SHA"
+      --label "de.uni-koblenz.process-science.image.version=$CI_COMMIT_REF_NAME"
+      --tag dmnverifier/frontend:$CI_COMMIT_SHA
+      .
+    - docker push dmnverifier/frontend:$CI_COMMIT_SHA
+
+
+push-image-latest:
+  stage: push-docker-image
+  tags:
+    - docker-privileged
+  variables:
+    GIT_STRATEGY: none
+    DOCKER_HOST: tcp://docker:2375
+    DOCKER_TLS_CERTDIR: ""
+  dependencies:
+    - build-frontend-docker
+  only:
+    - main
+  script:
+    - echo -n $CI_REGISTRY_PASSWORD | docker login -u $CI_REGISTRY_USER --password-stdin $CI_REGISTRY
+    - docker pull dmnverifier/frontend:$CI_COMMIT_SHA
+    - docker tag dmnverifier/frontend:$CI_COMMIT_SHA dmnverifier/frontend:latest
+    - docker push dmnverifier/frontend:latest
\ No newline at end of file