diff --git a/src/Database/Models/ProjectModel.cs b/src/Database/Models/ProjectModel.cs
index ba9390d7527113a4527a3bb9878c2cbf842ea50f..d985633e159ba45545ce5ed754c8191d12179fee 100644
--- a/src/Database/Models/ProjectModel.cs
+++ b/src/Database/Models/ProjectModel.cs
@@ -19,7 +19,7 @@ namespace Coscine.Database.Models
                 return
                     (from tableEntry in GetITableFromDatabase(db)
                      where tableEntry.Id == id
-                            && tableEntry.Deleted == true
+                            && tableEntry.Deleted
                      select tableEntry).Count() == 1;
             });
         }
@@ -32,7 +32,7 @@ namespace Coscine.Database.Models
                 return
                     (from tableEntry in GetITableFromDatabase(db).AsExpandable()
                      where expression.Invoke(tableEntry) == id
-                        && tableEntry.Deleted == false
+                        && !tableEntry.Deleted
                      select tableEntry).FirstOrDefault();
             });
         }
@@ -61,7 +61,7 @@ namespace Coscine.Database.Models
                 return
                     (from tableEntry in GetITableFromDatabase(db).AsExpandable()
                      where whereClause.Invoke(tableEntry)
-                        && tableEntry.Deleted == false
+                        && !tableEntry.Deleted
                      select tableEntry).FirstOrDefault();
             });
         }
@@ -72,7 +72,7 @@ namespace Coscine.Database.Models
             {
                 return
                     (from tableEntry in GetITableFromDatabase(db)
-                     where tableEntry.Deleted == false
+                     where !tableEntry.Deleted
                      select tableEntry).ToList();
             });
         }
@@ -84,7 +84,7 @@ namespace Coscine.Database.Models
                 return
                     (from tableEntry in GetITableFromDatabase(db).AsExpandable()
                      where whereClause.Invoke(tableEntry)
-                        && tableEntry.Deleted == false
+                        && !tableEntry.Deleted
                      select tableEntry).ToList();
             });
         }
@@ -107,18 +107,12 @@ namespace Coscine.Database.Models
         public override int Delete(Project databaseObject)
         {
             databaseObject.Deleted = true;
-            return DatabaseConnection.ConnectToDatabase((db) =>
-            {
-                return (int)db.Update(databaseObject).State;
-            });
+            return DatabaseConnection.ConnectToDatabase((db) => (int)db.Update(databaseObject).State);
         }
 
         public int HardDelete(Project databaseObject)
         {
-            return DatabaseConnection.ConnectToDatabase((db) =>
-            {
-                return (int) db.Remove(databaseObject).State;
-            });
+            return DatabaseConnection.ConnectToDatabase((db) => (int)db.Remove(databaseObject).State);
         }
 
         public int HardDelete(Expression<Func<Project, bool>> whereClause)
@@ -126,8 +120,8 @@ namespace Coscine.Database.Models
             return DatabaseConnection.ConnectToDatabase((db) =>
             {
                 return (int)db.Remove(from tableEntry in GetITableFromDatabase(db).AsExpandable()
-                                 where whereClause.Invoke(tableEntry)
-                                 select tableEntry).State;
+                                      where whereClause.Invoke(tableEntry)
+                                      select tableEntry).State;
             });
         }
 
@@ -177,7 +171,7 @@ namespace Coscine.Database.Models
                         join pi in db.ProjectInstitutes on p.Id equals pi.ProjectId into joinedPi
                         from jpi in joinedPi.DefaultIfEmpty()
 
-                        where p.Deleted == false
+                        where !p.Deleted
                         group jpi by jpi.OrganizationUrl into g
                         select new OrganizationCountObject(g.Key, g.Count())).ToList();
             });
@@ -189,8 +183,8 @@ namespace Coscine.Database.Models
             var slug = projectObject.DisplayName;
             slug = slug.ToLower();
             slug = Regex.Replace(slug, @"[\s-]+", "-");
-            slug = Regex.Replace(slug, @"[^a-z0-9-]*|", "");
-            slug = Regex.Replace(slug, @"^-|-$", "");
+            slug = Regex.Replace(slug, "[^a-z0-9-]*|", "");
+            slug = Regex.Replace(slug, "^-|-$", "");
 
             Random r = new Random();
             int rInt = r.Next(0, 9000000) + 1000000;
@@ -211,7 +205,7 @@ namespace Coscine.Database.Models
                 while (GetBySlug(fullSlug + rInt) != null)
                 {
                     rInt++;
-                };
+                }
                 fullSlug += rInt;
             }
 
@@ -333,11 +327,11 @@ namespace Coscine.Database.Models
 
         public IEnumerable<Project> GetTopLevelWithAccess(User user, params string[] allowedAccess)
         {
-            return GetWithAccess(user, allowedAccess, (allowedProjectIds) => GetAllWhere((project) =>
+            return GetWithAccess(user, allowedAccess, (_) => GetAllWhere((project) =>
                 (
-                       // all accessable projects that have no parents
-                        (!project.SubProjectSubProjectNavigations.Any())
-                    || // all accessable projects that have no accessable parents
+                        // all accessible projects that have no parents
+                        (project.SubProjectSubProjectNavigations.Count == 0)
+                    || // all accessible projects that have no accessible parents
                         (
                             project.SubProjectSubProjectNavigations.All(
                                    (parentProjects) =>
@@ -436,7 +430,7 @@ namespace Coscine.Database.Models
             {
                 list = GetAllWhere((dbProject) => (from subProject in dbProject.SubProjectProjects
                                                    where subProject.SubProjectId == currentProject.Id
-                                                   && subProject.Project.Deleted == false
+                                                   && !subProject.Project.Deleted
                                                    select subProject).Any());
 
                 if (list.Any())
@@ -530,6 +524,5 @@ namespace Coscine.Database.Models
             }
             return $"{counted}/{maxCount}";
         }
-
     }
-}
+}
\ No newline at end of file
diff --git a/src/Database/Models/RDSResourceTypeModel.cs b/src/Database/Models/RDSResourceTypeModel.cs
index 7a08f070307d392c0ee883eb409bbc5183e9946c..18f66d12e8031f08c5e34301979a0e2b874dd64d 100644
--- a/src/Database/Models/RDSResourceTypeModel.cs
+++ b/src/Database/Models/RDSResourceTypeModel.cs
@@ -25,14 +25,16 @@ namespace Coscine.Database.Models
 
         public Dictionary<string, string> GetResourceTypeOptions(Guid id)
         {
-            var dictionary = new Dictionary<string, string>();
             var resourceType = GetById(id);
-            dictionary.Add("accessKey", resourceType.AccessKey);
-            dictionary.Add("secretKey", resourceType.SecretKey);
-            dictionary.Add("bucketname", resourceType.BucketName);
-            dictionary.Add("endpoint", resourceType.Endpoint);
-            dictionary.Add("size", $"{resourceType.Size}"); 
+            var dictionary = new Dictionary<string, string>
+            {
+                { "accessKey", resourceType.AccessKey },
+                { "secretKey", resourceType.SecretKey },
+                { "bucketname", resourceType.BucketName },
+                { "endpoint", resourceType.Endpoint },
+                { "size", $"{resourceType.Size}" }
+            };
             return dictionary;
         }
     }
-}
+}
\ No newline at end of file
diff --git a/src/Database/Models/RdsS3ResourceTypeModel.cs b/src/Database/Models/RdsS3ResourceTypeModel.cs
index 2c61f7f6241ae4f02f92e171f89eb4d3bfcbb847..84dc0c8f2aa4400892d59ff3a3143400b2cc852e 100644
--- a/src/Database/Models/RdsS3ResourceTypeModel.cs
+++ b/src/Database/Models/RdsS3ResourceTypeModel.cs
@@ -24,18 +24,20 @@ namespace Coscine.Database.Models
 
         public Dictionary<string, string> GetResourceTypeOptions(Guid id)
         {
-            var dictionary = new Dictionary<string, string>();
             var resourceType = GetById(id);
-            dictionary.Add("accessKey", resourceType.AccessKey);
-            dictionary.Add("secretKey", resourceType.SecretKey);
-            dictionary.Add("accessKeyRead", resourceType.AccessKeyRead);
-            dictionary.Add("secretKeyRead", resourceType.SecretKeyRead);
-            dictionary.Add("accessKeyWrite", resourceType.AccessKeyWrite);
-            dictionary.Add("secretKeyWrite", resourceType.SecretKeyWrite);
-            dictionary.Add("bucketname", resourceType.BucketName);
-            dictionary.Add("endpoint", resourceType.Endpoint);
-            dictionary.Add("size", $"{resourceType.Size}");
+            var dictionary = new Dictionary<string, string>
+            {
+                { "accessKey", resourceType.AccessKey },
+                { "secretKey", resourceType.SecretKey },
+                { "accessKeyRead", resourceType.AccessKeyRead },
+                { "secretKeyRead", resourceType.SecretKeyRead },
+                { "accessKeyWrite", resourceType.AccessKeyWrite },
+                { "secretKeyWrite", resourceType.SecretKeyWrite },
+                { "bucketname", resourceType.BucketName },
+                { "endpoint", resourceType.Endpoint },
+                { "size", $"{resourceType.Size}" }
+            };
             return dictionary;
         }
     }
-}
+}
\ No newline at end of file
diff --git a/src/Database/Models/ResourceModel.cs b/src/Database/Models/ResourceModel.cs
index d5ab2d09082d099569e5f9ae44a5f9016d31a1bf..ee82ffa61731498a879c89f26590a43d6e64b1e3 100644
--- a/src/Database/Models/ResourceModel.cs
+++ b/src/Database/Models/ResourceModel.cs
@@ -14,6 +14,15 @@ namespace Coscine.Database.Models
     public class ResourceModel : DatabaseModel<Resource>
     {
         private readonly IConfiguration _configuration = new ConsulConfiguration();
+
+        private static readonly Dictionary<string, string> _configs = new Dictionary<string, string>
+        {
+            { "rds", "coscine/global/rds/ecs-rwth/rds" },
+            { "rdsude", "coscine/global/rds/ecs-ude/rds" },
+            { "rdss3", "coscine/global/rds/ecs-rwth/rds-s3" },
+            { "rdss3ude", "coscine/global/rds/ecs-ude/rds-s3" }
+        };
+
         public Resource StoreFromObject(ResourceObject resourceObject)
         {
             if (!resourceObject.Disciplines.Any() || resourceObject.ResourceTypeOption == null)
@@ -48,7 +57,7 @@ namespace Coscine.Database.Models
             }
             catch (Exception)
             {
-                // Makes sure to delete all FK refrences, otherwise a delete is not possible
+                // Makes sure to delete all FK references, otherwise a delete is not possible
                 DeleteResource(resource);
                 throw;
             }
@@ -100,7 +109,7 @@ namespace Coscine.Database.Models
                         join rt in db.ResourceTypes on r.TypeId equals rt.Id into joinedRt
                         from jrt in joinedRt.DefaultIfEmpty()
 
-                        where jp.Deleted == false &&
+                        where !jp.Deleted &&
                         IsLikeRds(jrt.DisplayName)
                         group r by jpi.OrganizationUrl into g
                         select new OrganizationResourceListObject(g.Key, g.ToList())).ToList();
@@ -120,13 +129,14 @@ namespace Coscine.Database.Models
                 }
                 else
                 {
+                    var prefix = _configs[resource.Type.DisplayName];
                     RdsresourceType rdsResourceType = new RdsresourceType()
                     {
                         BucketName = resource.Id.ToString(),
                         Size = rdsResourceTypeObject.Size,
-                        AccessKey = _configuration.GetString("coscine/global/rds/ecs-rwth/rds/object_user_name"),
-                        SecretKey = _configuration.GetString("coscine/global/rds/ecs-rwth/rds/object_user_secretkey"),
-                        Endpoint = _configuration.GetString("coscine/global/rds/ecs-rwth/rds/s3_endpoint"),
+                        AccessKey = _configuration.GetString($"{prefix}/object_user_name"),
+                        SecretKey = _configuration.GetString($"{prefix}/object_user_secretkey"),
+                        Endpoint = _configuration.GetString($"{prefix}/s3_endpoint"),
                     };
                     rdsResourceTypeModel.Insert(rdsResourceType);
                     resource.ResourceTypeOptionId = rdsResourceType.Id;
@@ -209,16 +219,17 @@ namespace Coscine.Database.Models
                 }
                 else
                 {
+                    var prefix = _configs[resource.Type.DisplayName];
                     var rdsS3ResourceType = new RdsS3resourceType()
                     {
                         BucketName = resource.Id.ToString(),
-                        AccessKey = _configuration.GetString("coscine/global/rds/ecs-rwth/rds-s3/object_user_name"),
-                        SecretKey = _configuration.GetString("coscine/global/rds/ecs-rwth/rds-s3/object_user_secretkey"),
+                        AccessKey = _configuration.GetString($"{prefix}/object_user_name"),
+                        SecretKey = _configuration.GetString($"{prefix}/object_user_secretkey"),
                         AccessKeyRead = $"read_{resource.Id}",
                         SecretKeyRead = RandomHelper.GenerateRandomChunk(32),
                         AccessKeyWrite = $"write_{resource.Id}",
                         SecretKeyWrite = RandomHelper.GenerateRandomChunk(32),
-                        Endpoint = _configuration.GetString("coscine/global/rds/ecs-rwth/rds-s3/s3_endpoint"),
+                        Endpoint = _configuration.GetString($"{prefix}/s3_endpoint"),
                         Size = rdsS3ResourceTypeObject.Size,
                     };
                     rdsS3ResourceTypeModel.Insert(rdsS3ResourceType);
@@ -418,7 +429,6 @@ namespace Coscine.Database.Models
                 LinkedResourceTypeModel linkedResourceTypeModel = new LinkedResourceTypeModel();
                 var linkedResourceType = linkedResourceTypeModel.GetById(resource.ResourceTypeOptionId.Value);
                 resourceTypeOptionObject = new LinkedResourceTypeObject(linkedResourceType.Id);
-
             }
             else if (IsLikeRdsS3(resource.Type.DisplayName) && resource.ResourceTypeOptionId != null)
             {
@@ -451,7 +461,7 @@ namespace Coscine.Database.Models
                 resourceTypeOptionObject == null ? new JObject() : JObject.FromObject(resourceTypeOptionObject),
                 resource.ApplicationProfile,
                 JToken.Parse(resource.FixedValues ?? "{}"),
-                (resource.Creator != null) ? resource.Creator : null,
+                resource.Creator,
                 resource.Archived == "1"
             );
         }
@@ -549,4 +559,4 @@ namespace Coscine.Database.Models
             return compare == "rdss3" || compare == "rdss3ude";
         }
     }
-}
+}
\ No newline at end of file