diff --git a/models/resources/interfaces.go b/models/resources/interfaces.go
index 16d1c05..258beee 100644
--- a/models/resources/interfaces.go
+++ b/models/resources/interfaces.go
@@ -12,6 +12,7 @@ type ResourceInterface interface {
 	ConvertToPricedResource(t tools.DataType, request *tools.APIRequest) pricing.PricedItemITF
 	GetType() string
 	GetSelectedInstance() utils.DBObject
+	ClearEnv() utils.DBObject
 	SetAllowedInstances(request *tools.APIRequest)
 }
 
@@ -20,6 +21,7 @@ type ResourceInstanceITF interface {
 	GetID() string
 	GetName() string
 	StoreDraftDefault()
+	ClearEnv()
 	GetPricingsProfiles(peerID string, groups []string) []pricing.PricingProfileITF
 	GetPeerGroups() ([]ResourcePartnerITF, []map[string][]string)
 	ClearPeerGroups()
diff --git a/models/resources/resource.go b/models/resources/resource.go
index a9a7a57..4cadd04 100644
--- a/models/resources/resource.go
+++ b/models/resources/resource.go
@@ -71,6 +71,13 @@ func (abs *AbstractIntanciatedResource[T]) ConvertToPricedResource(
 	}
 }
 
+func (abs *AbstractIntanciatedResource[T]) ClearEnv() utils.DBObject {
+	for _, instance := range abs.Instances {
+		instance.ClearEnv()
+	}
+	return abs
+}
+
 func (r *AbstractIntanciatedResource[T]) GetSelectedInstance() utils.DBObject {
 	if r.SelectedInstanceIndex != nil && len(r.Instances) > *r.SelectedInstanceIndex {
 		return r.Instances[*r.SelectedInstanceIndex]
@@ -127,17 +134,30 @@ type GeoPoint struct {
 	Longitude float64 `json:"longitude,omitempty" bson:"longitude,omitempty"`
 }
 
+type Credentials struct {
+	Login string `json:"login,omitempty" bson:"login,omitempty"`
+	Pass  string `json:"password,omitempty" bson:"password,omitempty"`
+}
+
 type ResourceInstance[T ResourcePartnerITF] struct {
 	utils.AbstractObject
 	Location       GeoPoint              `json:"location,omitempty" bson:"location,omitempty"`
 	Country        countries.CountryCode `json:"country,omitempty" bson:"country,omitempty"`
 	AccessProtocol string                `json:"access_protocol,omitempty" bson:"access_protocol,omitempty"`
+	Access         *Credentials          `json:"access,omitempty" bson:"access,omitempty"`
 	Env            []models.Param        `json:"env,omitempty" bson:"env,omitempty"`
 	Inputs         []models.Param        `json:"inputs,omitempty" bson:"inputs,omitempty"`
 	Outputs        []models.Param        `json:"outputs,omitempty" bson:"outputs,omitempty"`
 	Partnerships   []T                   `json:"partnerships,omitempty" bson:"partnerships,omitempty"`
 }
 
+func (ri *ResourceInstance[T]) ClearEnv() {
+	ri.Access = nil
+	ri.Env = []models.Param{}
+	ri.Inputs = []models.Param{}
+	ri.Outputs = []models.Param{}
+}
+
 func (ri *ResourceInstance[T]) GetPricingsProfiles(peerID string, groups []string) []pricing.PricingProfileITF {
 	pricings := []pricing.PricingProfileITF{}
 	for _, p := range ri.Partnerships {
diff --git a/models/resources/workflow.go b/models/resources/workflow.go
index b191958..a80622e 100644
--- a/models/resources/workflow.go
+++ b/models/resources/workflow.go
@@ -23,6 +23,10 @@ func (r *WorkflowResource) GetType() string {
 	return tools.WORKFLOW_RESOURCE.String()
 }
 
+func (d *WorkflowResource) ClearEnv() utils.DBObject {
+	return d
+}
+
 func (d *WorkflowResource) Trim() {
 	/* EMPTY */
 }
diff --git a/models/workflow/workflow_mongo_accessor.go b/models/workflow/workflow_mongo_accessor.go
index 302674b..eaf6bd0 100644
--- a/models/workflow/workflow_mongo_accessor.go
+++ b/models/workflow/workflow_mongo_accessor.go
@@ -125,6 +125,13 @@ func (a *workflowMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, i
 
 // CopyOne copies a workflow in the database
 func (a *workflowMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	wf := data.(*Workflow)
+	for _, item := range wf.Graph.Items {
+		_, obj := item.GetResource()
+		if obj != nil {
+			obj.ClearEnv()
+		}
+	}
 	return utils.GenericStoreOne(data, a)
 }