migrated to gitlab CI/CD

.gitlab-ci.yml

@@ -0,0 +1,18 @@
+variables:
+  DOCKER_IMAGE: registry.gitlab.com/leon.hoppe/betteriserv
+
+build-frontend:
+  image: docker:latest
+  stage: build
+  script: 
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD registry.gitlab.com
+    - docker build -t $DOCKER_IMAGE:frontend BetterIServ.Mobile/
+    - docker push $DOCKER_IMAGE:frontend
+
+build-backend:
+  image: docker:latest
+  stage: build
+  script:
+    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD registry.gitlab.com
+    - docker build -t $DOCKER_IMAGE:backend BetterIServ.Backend/
+    - docker push $DOCKER_IMAGE:backend