Enhance PVC for filesystem storage

.gitignore

@@ -42,4 +42,4 @@ nb-configuration.xml
 !application/src/main/distribution/*
 
 application/workspace/*
-jreleaser/templates/article/openapi.*
+src/jreleaser/templates/article/openapi.*

operator/src/main/java/io/github/project/openubl/operator/Constants.java

@@ -61,6 +61,8 @@ public class Constants {
     public static final String CERTIFICATES_FOLDER = "/mnt/certificates";
     public static final String STORAGE_FOLDER = "/mnt/ublhub-storage";
 
+    public static final String STORAGE_MIN_SIZE = "100Mi";
+
     public static final UblhubSpec.XBuilderSpec defaultXBuilderConfig = UblhubSpec.XBuilderSpec.builder()
             .moneda("PEN")
             .igvTasa("0.18")

operator/src/main/java/io/github/project/openubl/operator/cdrs/v2alpha1/UblhubFileStoragePVC.java

@@ -57,10 +57,15 @@ private PersistentVolumeClaim newPersistentVolumeClaim(Ublhub cr, Context contex
     }
 
     private PersistentVolumeClaimSpec getPersistentVolumeClaimSpec(Ublhub cr) {
+        boolean isFileSystemStorage = cr.getSpec().getStorageSpec() != null && cr.getSpec().getStorageSpec().getType().equals(UblhubSpec.StorageSpec.Type.filesystem);
+        Quantity storageSize = isFileSystemStorage ?
+                new Quantity(cr.getSpec().getStorageSpec().getFilesystemSpec().getSize()) :
+                new Quantity(Constants.STORAGE_MIN_SIZE);
+
         return new PersistentVolumeClaimSpecBuilder()
                 .withAccessModes("ReadWriteOnce")
                 .withResources(new ResourceRequirementsBuilder()
-                        .addToRequests("storage", new Quantity(cr.getSpec().getStorageSpec().getFilesystemSpec().getSize()))
+                        .addToRequests("storage", storageSize)
                         .build()
                 )
                 .build();