diff --git a/Makefile b/Makefile
index 8dbc5957..c6b3f9ac 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,6 @@
 ROOT_DIR              ?= $(shell git rev-parse --show-toplevel)
 SCRIPTS_BASE          ?= $(ROOT_DIR)/scripts
+VERSION               ?= ${VER}
 
 # SETUP AND TOOL INITIALIZATION TASKS
 project-help:
@@ -57,3 +58,11 @@ test-acceptance-tf:
 	TF_ACC_REGION=$(TF_ACC_REGION) \
 	go test ./... -count=1 -timeout=30m && \
 	cd $(ROOT_DIR)
+
+publish: build
+ifeq ($(strip $(VERSION)),)
+	@echo "please call like this: VER=0.1.0 make publish"
+else
+	@echo "version: $(VERSION)"
+endif
+
diff --git a/sample/postgres/postresql.tf b/sample/postgres/postresql.tf
index 57a13fae..27595809 100644
--- a/sample/postgres/postresql.tf
+++ b/sample/postgres/postresql.tf
@@ -51,22 +51,23 @@ resource "stackitprivatepreview_postgresflexalpha_user" "ptlsdbuser" {
 }
 
 resource "stackitprivatepreview_postgresflexalpha_database" "example" {
+  count = 25
   depends_on = [stackitprivatepreview_postgresflexalpha_user.ptlsdbadminuser]
   project_id  = var.project_id
   instance_id = stackitprivatepreview_postgresflexalpha_instance.msh-sna-pe-example.instance_id
-  name        = var.db_name
+  name        = "${var.db_name}${count.index}"
   owner       = var.db_admin_username
 }
 
-data "stackitprivatepreview_postgresflexalpha_instance" "datapsql" {
-  project_id = var.project_id
-  instance_id = var.instance_id
-  region = "eu01"
-}
+# data "stackitprivatepreview_postgresflexalpha_instance" "datapsql" {
+#   project_id = var.project_id
+#   instance_id = var.instance_id
+#   region = "eu01"
+# }
 
-output "psql_instance_id" {
-  value = data.stackitprivatepreview_postgresflexalpha_instance.datapsql.instance_id
-}
+# output "psql_instance_id" {
+#   value = data.stackitprivatepreview_postgresflexalpha_instance.datapsql.instance_id
+# }
 
 output "psql_user_password" {
   value = stackitprivatepreview_postgresflexalpha_user.ptlsdbuser.password
diff --git a/stackit/internal/services/postgresflexalpha/postgresflex_acc_test.go b/stackit/internal/services/postgresflexalpha/postgresflex_acc_test.go
index 9c2f9214..c7cd9096 100644
--- a/stackit/internal/services/postgresflexalpha/postgresflex_acc_test.go
+++ b/stackit/internal/services/postgresflexalpha/postgresflex_acc_test.go
@@ -4,6 +4,7 @@ package postgresflex_test
 
 import (
 	"context"
+	_ "embed"
 	"fmt"
 	"strings"
 	"testing"
@@ -20,6 +21,11 @@ import (
 	postgresflex "github.com/mhenselin/terraform-provider-stackitprivatepreview/pkg/postgresflexalpha"
 )
 
+var (
+	//go:embed testdata/resource-complete.tf
+	resourceSecurityGroupMinConfig string
+)
+
 // Instance resource data
 var instanceResource = map[string]string{
 	"project_id":              testutil.ProjectId,
diff --git a/stackit/internal/services/postgresflexalpha/testdata/resource-complete.tf b/stackit/internal/services/postgresflexalpha/testdata/resource-complete.tf
new file mode 100644
index 00000000..e69de29b