Migrate CI/CD pipeline to GitHub Actions

.github/workflows/ci.yml

@@ -0,0 +1,60 @@
+name: CI
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ['3.12']
+        postgres-version: ['14', '15', '16']
+
+    services:
+      postgres:
+        image: postgres:${{ matrix.postgres-version }}
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: helios
+          POSTGRES_HOST_AUTH_METHOD: trust
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    env:
+      PGHOST: localhost
+      PGUSER: postgres
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: 'pip'
+
+      - name: Install system dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libldap2-dev libsasl2-dev
+
+      - name: Install Python dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+          pip freeze
+
+      - name: Run tests
+        run: python -Wall manage.py test -v 2 --settings=settings_ci

settings_ci.py

@@ -0,0 +1,16 @@
+# CI-specific settings that override database configuration for GitHub Actions
+from settings import *
+
+# Override database settings for CI environment
+# This is needed because the main settings.py ignores environment variables during testing
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.postgresql',
+        'NAME': 'helios',
+        'HOST': 'localhost',
+        'PORT': '5432',
+        'USER': 'postgres',
+        'PASSWORD': 'postgres',
+        'CONN_MAX_AGE': 600,
+    },
+}