Extend CI pipeline

.gitlab-ci.yml

-# This file is a template, and might need editing before it works on your project.
-# You can copy and paste this template into a new `.gitlab-ci.yml` file.
-# You should not add this template to an existing `.gitlab-ci.yml` file by using the `include:` keyword.
-#
-# To contribute improvements to CI/CD templates, please follow the Development guide at:
-# https://docs.gitlab.com/ee/development/cicd/templates.html
-# This specific template is located at:
-# https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/ci/templates/Rust.gitlab-ci.yml
-
 # Official language image. Look for the different tagged releases at:
 # https://hub.docker.com/r/library/rust/tags/
 image: "rust:latest"
@@ -25,16 +16,49 @@ image: "rust:latest"
 #  - apt-get update -yqq
 #  - apt-get install -yqq --no-install-recommends build-essential
 
+stages:
+  - test
+  - build
+  # - deploy
+
+# Build the main application (currently mostly useless)
+build-main:
+  stage: build
+  script:
+    - export HTTPS_PROXY=lxproxy01.gsi.de:3128
+    - export HTTP_PROXY=lxproxy01.gsi.de:3128
+    - export https_proxy=lxproxy01.gsi.de:3128
+    - export http_proxy=lxproxy01.gsi.de:3128
+    - cargo build
+
+# Build API documentation
+build-doc:
+  stage: build
+  script:
+    - export HTTPS_PROXY=lxproxy01.gsi.de:3128
+    - export HTTP_PROXY=lxproxy01.gsi.de:3128
+    - export https_proxy=lxproxy01.gsi.de:3128
+    - export http_proxy=lxproxy01.gsi.de:3128
+    - cargo doc --no-deps
 # Use cargo to test the project
 test:cargo:
+  stage: test
   script:
     - export HTTPS_PROXY=lxproxy01.gsi.de:3128
     - export HTTP_PROXY=lxproxy01.gsi.de:3128
     - export https_proxy=lxproxy01.gsi.de:3128
     - export http_proxy=lxproxy01.gsi.de:3128
     - rustc --version && cargo --version  # Print version info for debugging
-    - cargo test --workspace # --verbose
-
+    - cargo test --workspace
+test:clippy:
+  stage: test
+  script:
+    - export HTTPS_PROXY=lxproxy01.gsi.de:3128
+    - export HTTP_PROXY=lxproxy01.gsi.de:3128
+    - export https_proxy=lxproxy01.gsi.de:3128
+    - export http_proxy=lxproxy01.gsi.de:3128
+    - cargo clippy --workspace
+  allow_failure: true 
 # Optional: Use a third party library to generate gitlab junit reports
 # test:junit-report:
 #   script: