refactored test pipeline to test different python versions

.gitlab-ci.yml

@@ -126,8 +126,8 @@ build:pacman:
     paths:
       - "*.pkg.tar.zst"
 
-test:
-  image: python:3.12-slim-bookworm
+test:python:
+  image: $IMAGE
   stage: test
   interruptible: true
   rules:
@@ -142,17 +142,19 @@ test:
     DATABASE: sqlite:///../app/db.sqlite
   parallel:
     matrix:
-      - REQUIREMENTS:
-          - 'requirements.txt'
-#          - '.DEBIAN/requirements-bookworm-12.txt'
-#          - '.DEBIAN/requirements-ubuntu-24.04.txt'
-#          - '.DEBIAN/requirements-ubuntu-24.10.txt'
+      - IMAGE:
+#          - python:3.14-alpine
+#          - python:3.13-alpine
+          - python:3.12-alpine
+#          - python:3.11-alpine
+#          - python:3.10-alpine
+#          - python:3.9-alpine
   before_script:
     - apt-get update && apt-get install -y python3-dev python3-pip python3-venv gcc
     - python3 -m venv venv
     - source venv/bin/activate
     - pip install --upgrade pip
-    - pip install -r $REQUIREMENTS
+    - pip install -r requirements.txt
     - pip install pytest pytest-cov pytest-custom_exit_code httpx
     - mkdir -p app/cert
     - openssl genrsa -out app/cert/instance.private.pem 2048