diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6d5f90a..c5edfb3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,10 +1,18 @@
-# You can override the included template(s) by including variable overrides
-# SAST customization: https://docs.gitlab.com/ee/user/application_security/sast/#customizing-the-sast-settings
-# Secret Detection customization: https://docs.gitlab.com/ee/user/application_security/secret_detection/pipeline/#customization
-# Dependency Scanning customization: https://docs.gitlab.com/ee/user/application_security/dependency_scanning/#customizing-the-dependency-scanning-settings
-# Container Scanning customization: https://docs.gitlab.com/ee/user/application_security/container_scanning/#customizing-the-container-scanning-settings
-# Note that environment variables can be set in several places
-# See https://docs.gitlab.com/ee/ci/variables/#cicd-variable-precedence
+#Calendar implementation for the HTWK Leipzig timetable. Evaluation and display of the individual dates in iCal format.
+#Copyright (C) 2024 HTWKalender support@htwkalender.de
+
+#This program is free software: you can redistribute it and/or modify
+#it under the terms of the GNU Affero General Public License as published by
+#the Free Software Foundation, either version 3 of the License, or
+#(at your option) any later version.
+
+#This program is distributed in the hope that it will be useful,
+#but WITHOUT ANY WARRANTY; without even the implied warranty of
+#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#GNU Affero General Public License for more details.
+
+#You should have received a copy of the GNU Affero General Public License
+#along with this program.  If not, see <https://www.gnu.org/licenses/>.
 stages:
 - lint
 - build
@@ -237,25 +245,24 @@ deploy-all:
   stage: deploy
   image: alpine:latest
   before_script:
-  - apk add --no-cache openssh-client sed
-  - eval $(ssh-agent -s)
-  - ssh-add <(echo "$CI_SSH_KEY" | tr -d '\r')
+    - apk add --no-cache openssh-client sed # install dependencies
+    - eval $(ssh-agent -s) # set some ssh variables
+    - ssh-add <(echo "$CI_SSH_KEY" | tr -d '\r')
   script:
-  - sed -i -e "s|DOCKER_REGISTRY_REPO|$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG|" docker-compose.prod.yml
-  - 'scp -P $CI_SSH_PORT -o StrictHostKeyChecking=no -o LogLevel=ERROR ./docker-compose.prod.yml
-    ./reverseproxy.conf $CI_SSH_USER@$CI_SSH_HOST:/home/$CI_SSH_USER/docker/htwkalender/
-
-    '
-  - 'ssh -p $CI_SSH_PORT -o StrictHostKeyChecking=no -o LogLevel=ERROR $CI_SSH_USER@$CI_SSH_HOST
-    "cd /home/$CI_SSH_USER/docker/htwkalender/ && docker login -u $CI_REGISTRY_USER
-    -p $CI_REGISTRY_PASSWORD $CI_REGISTRY && docker compose -f ./docker-compose.prod.yml
-    down && docker compose -f ./docker-compose.prod.yml up -d --remove-orphans &&
-    docker logout && docker exec --user root htwkalender-htwkalender-frontend-1 /bin/sh
-    -c \"echo ''google-site-verification: $GOOGLE_VERIFICATION.html'' > ./$GOOGLE_VERIFICATION.html\"
-    "
-
-    '
+    # replace some placeholders
+    - sed -i -e "s|DOCKER_REGISTRY_REPO|$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG|" docker-compose.prod.yml
+    # upload necessary files to the server
+    - >
+      scp -P $CI_SSH_PORT -o StrictHostKeyChecking=no -o LogLevel=ERROR ./docker-compose.prod.yml ./reverseproxy.conf
+      $CI_SSH_USER@$CI_SSH_HOST:/home/$CI_SSH_USER/docker/htwkalender/
+    # ssh to the server and start the service
+    - >
+      ssh -p $CI_SSH_PORT -o StrictHostKeyChecking=no -o LogLevel=ERROR $CI_SSH_USER@$CI_SSH_HOST
+      "cd /home/$CI_SSH_USER/docker/htwkalender/ &&
+      docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY &&
+      docker compose -f ./docker-compose.prod.yml down && docker compose -f ./docker-compose.prod.yml up -d --remove-orphans && docker logout &&
+      docker exec --user root htwkalender-htwkalender-frontend-1 /bin/sh -c \"echo 'google-site-verification: $GOOGLE_VERIFICATION.html' > ./$GOOGLE_VERIFICATION.html\" "
   rules:
-  - if: $CI_COMMIT_BRANCH == "main"
+    - if: $CI_COMMIT_BRANCH == "main"
 include:
 - template: Security/Dependency-Scanning.gitlab-ci.yml