build: add gitlab-ci.yml

Author: Keviro

.gitlab-ci.yml

@@ -0,0 +1,44 @@
+stages:
+  - build
+  - publish
+
+variables:
+  GRADLE_USER_HOME: "$CI_PROJECT_DIR/.gradle"
+  MAVEN_USER_SETTINGS: "$CI_PROJECT_DIR/maven-settings.xml"
+
+cache:
+  paths:
+    - .gradle/caches
+    - .gradle/caches/**
+
+before_script:
+  - export GRADLE_USER_HOME=`pwd`/.gradle
+  - export GRADLE_OPTS="-Dorg.gradle.daemon=false -Dorg.gradle.parallel=false"
+  - mkdir -p ~/.m2
+  - echo "$MAVEN_SETTINGS_XML" > ~/.m2/settings.xml
+
+build:
+  stage: build
+  image: gradle:latest
+  script:
+    - gradle clean shadowJar
+    - echo "Gefundene Artefakte:"
+    - find . -type f -path "**/build/libs/*.jar" ! -path "**/.gradle/**" -exec ls -lh {} \;
+
+  artifacts:
+    paths:
+      - "**/build/libs/*.jar"
+    exclude:
+      - .gradle/**
+      - "**/.gradle/**"
+      - "./build-logic/**"
+
+publish:
+  stage: publish
+  image: gradle:latest
+  script:
+    - gradle publish
+  dependencies:
+    - build
+  rules:
+    - if: $CI_COMMIT_REF_NAME == $CI_DEFAULT_BRANCH