feat(cleanup): cleaning up the project with somme standards

base/components/airflow-cnpg-database/configurations/cnpg-cluster.yaml

@@ -0,0 +1,8 @@
+---
+nameReference:
+- kind: Secret
+  fieldSpecs:
+  - path: spec/superuserSecret/name
+    kind: Cluster
+  - path: spec/bootstrap/initdb/secret/name
+    kind: Cluster

base/components/airflow-cnpg-database/kustomization.yaml

@@ -0,0 +1,36 @@
+apiVersion: kustomize.config.k8s.io/v1alpha1
+kind: Component
+
+generatorOptions:
+  disableNameSuffixHash: true
+
+configurations:
+- ./configurations/cnpg-cluster.yaml
+
+resources:
+- ./resources/airflow-cnpg-cluster.yaml
+
+secretgenerator:
+- name: airflow-postgres-admin
+  type: secret
+  literals:
+  - username=postgres
+  - password=notsosecret
+- name: airflow-postgres-user
+  type: Secret
+  literals:
+  - username=airflow
+  - password=NotSoSecret
+- name: airflow-postgres-connection
+  type: Secret
+  literals:
+  - connection=postgresql://airflow:NotSoSecret@${DB_SERVICE_HOST}:${DB_SERVICE_PORT}/airflow
+
+vars:
+- name: AIRFLOW_DATABASE_SERVICE_NAME
+  objref:
+    name: airflow-postgres
+    kind: Cluster
+    apiVersion: postgresql.cnpg.io/v1
+  fieldref:
+    fieldpath: metadata.name

base/components/airflow-cnpg-database/resources/airflow-cnpg-cluster.yaml

@@ -0,0 +1,17 @@
+apiVersion: postgresql.cnpg.io/v1
+kind: Cluster
+metadata:
+  name: airflow-postgres
+spec:
+  instances: 3
+  primaryUpdateStrategy: unsupervised
+  superuserSecret:
+    name: airflow-postgres-admin
+  bootstrap:
+    initdb:
+      database: airflow
+      owner: airflow
+      secret:
+        name: airflow-postgres-user
+  storage:
+    size: 2Gi