Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -1,9 +1,22 @@
+stages:
+  - Build
+  - Test
+  - Package
+
 variables:
   NIX_PATH: "nixpkgs=channel:nixos-21.05"
 
 build:
+  stage: Build
   script:
     - nix-shell --pure --run "file src/main/resources/language/translation_de.properties | rg UTF-8"
+    - nix-shell --pure --run "mvn --no-transfer-progress -Dmaven.repo.local=/tmp/m2/repository -Duser.home=/tmp compile"
+
+test:
+  stage: Test
+  dependencies:
+    - build
+  script:
     - nix-shell --pure --run "mvn --no-transfer-progress -Dmaven.repo.local=/tmp/m2/repository -Duser.home=/tmp checkstyle:check jacoco:prepare-agent test jacoco:report"
     - nix-shell --pure --run "python3 ./cover2cover.py target/site/jacoco/jacoco.xml src/main/java > target/site/cobertura.xml"
     - nix-shell --pure --run "python3 ./source2filename.py target/site/cobertura.xml"
@@ -11,3 +24,13 @@ build:
   artifacts:
     reports:
       cobertura: target/site/cobertura.xml
+
+package:
+  stage: Package
+  dependencies:
+    - test
+  script:
+    - nix-shell --pure --run "mvn --no-transfer-progress -Dmaven.repo.local=/tmp/m2/repository -Duser.home=/tmp clean package -Pproduction"
+  artifacts:
+    paths:
+      - target/typicalc-1.0-SNAPSHOT.jar