Les outils et leur role

Vue d'ensemble de l'ecosysteme

Architecture DevOps complete :

+------------------------------------------------------------------+
|                        DEVELOPPEUR                                |
|  Ecrit du code, commit, push sur GitLab                          |
+------------------------------------------------------------------+
         |
         v
+------------------------------------------------------------------+
|  GITLAB (CI/CD)                                                   |
|  - Heberge le code (Git)                                          |
|  - Execute les pipelines CI/CD                                    |
|  - Build les images Docker                                        |
|  - Lance les tests                                                |
|  - Deploie sur Kubernetes                                         |
+------------------------------------------------------------------+
         |                              |
         v                              v
+-------------------------+  +-------------------------+
|  DOCKER                 |  |  TERRAFORM              |
|  - Conteneurise les     |  |  - Cree l'infra cloud   |
|    applications         |  |  - VMs, reseaux, BDD    |
|  - Image reproductible  |  |  - Etat dans tfstate    |
|  - Registry (stockage)  |  |  - Plan + Apply         |
+-------------------------+  +-------------------------+
                                        |
                                        v
                             +-------------------------+
                             |  ANSIBLE                |
                             |  - Configure les VMs    |
                             |  - Installe les paquets |
                             |  - Deploie les configs  |
                             |  - Playbooks YAML       |
                             +-------------------------+
         |
         v
+------------------------------------------------------------------+
|  KUBERNETES (K8s)                                                 |
|  - Orchestre les conteneurs Docker                                |
|  - Scaling automatique                                            |
|  - Self-healing, rolling updates                                  |
|  - Services, Ingress, ConfigMaps                                  |
+------------------------------------------------------------------+
         |                              |
         v                              v
+-------------------------+  +-------------------------+
|  KEYCLOAK               |  |  MONITORING             |
|  - Authentification     |  |  - Prometheus (metrics) |
|  - SSO (Single Sign-On) |  |  - Grafana (dashboards) |
|  - Gestion des acces    |  |  - Loki (logs)          |
|  - OAuth2 / OIDC        |  |  - Alertmanager         |
+-------------------------+  +-------------------------+

Resume des roles