diff --git a/Package.resolved b/Package.resolved
index e155202..64a4ab5 100644
--- a/Package.resolved
+++ b/Package.resolved
@@ -32,8 +32,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/mattgallagher/CwlCatchException.git",
       "state" : {
-        "revision" : "3b123999de19bf04905bc1dfdb76f817b0f2cc00",
-        "version" : "2.1.2"
+        "revision" : "3ef6999c73b6938cc0da422f2c912d0158abb0a0",
+        "version" : "2.2.0"
       }
     },
     {
@@ -41,8 +41,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/mattgallagher/CwlPreconditionTesting.git",
       "state" : {
-        "revision" : "dc9af4781f2afdd1e68e90f80b8603be73ea7abc",
-        "version" : "2.2.0"
+        "revision" : "2ef56b2caf25f55fa7eef8784c30d5a767550f54",
+        "version" : "2.2.1"
       }
     },
     {
@@ -59,8 +59,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/vapor/fluent-kit.git",
       "state" : {
-        "revision" : "6cef8533c9ab87865de58fa3c6e6317e3e09857a",
-        "version" : "1.45.1"
+        "revision" : "bb47433520116b3cf7f3567137c81106b398b77e",
+        "version" : "1.47.1"
       }
     },
     {
@@ -86,8 +86,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/vapor/jwt-kit.git",
       "state" : {
-        "revision" : "cd0fe3af36764e876182137c3132a6d8459e1867",
-        "version" : "4.13.1"
+        "revision" : "e05513b5aec24f88012b6e3034115b6bc915356a",
+        "version" : "4.13.2"
       }
     },
     {
@@ -113,8 +113,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/Quick/Nimble.git",
       "state" : {
-        "revision" : "c1f3dd66222d5e7a1a20afc237f7e7bc432c564f",
-        "version" : "13.2.0"
+        "revision" : "efe11bbca024b57115260709b5c05e01131470d0",
+        "version" : "13.2.1"
       }
     },
     {
@@ -122,8 +122,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/vapor/postgres-kit.git",
       "state" : {
-        "revision" : "80ab7737dac4fccd4a8ad38743828dcb71ba7ac8",
-        "version" : "2.12.2"
+        "revision" : "475bf6f04ee1840917a70c32b48e4a724df4ccaf",
+        "version" : "2.12.3"
       }
     },
     {
@@ -131,8 +131,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/vapor/postgres-nio.git",
       "state" : {
-        "revision" : "fa3137d39bca84843739db1c5a3db2d7f4ae65e6",
-        "version" : "1.20.0"
+        "revision" : "6f0fc054babeed13850f9014e03ced7a1d714868",
+        "version" : "1.21.0"
       }
     },
     {
@@ -171,6 +171,15 @@
         "version" : "1.2.0"
       }
     },
+    {
+      "identity" : "swift-async-algorithms",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-async-algorithms.git",
+      "state" : {
+        "revision" : "da4e36f86544cdf733a40d59b3a2267e3a7bbf36",
+        "version" : "1.0.0"
+      }
+    },
     {
       "identity" : "swift-atomics",
       "kind" : "remoteSourceControl",
@@ -185,8 +194,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-collections.git",
       "state" : {
-        "revision" : "d029d9d39c87bed85b1c50adee7c41795261a192",
-        "version" : "1.0.6"
+        "revision" : "94cf62b3ba8d4bed62680a282d4c25f9c63c2efb",
+        "version" : "1.1.0"
       }
     },
     {
@@ -230,8 +239,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-nio.git",
       "state" : {
-        "revision" : "635b2589494c97e48c62514bc8b37ced762e0a62",
-        "version" : "2.63.0"
+        "revision" : "fc63f0cf4e55a4597407a9fc95b16a2bc44b4982",
+        "version" : "2.64.0"
       }
     },
     {
@@ -239,8 +248,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-nio-extras.git",
       "state" : {
-        "revision" : "363da63c1966405764f380c627409b2f9d9e710b",
-        "version" : "1.21.0"
+        "revision" : "a3b640d7dc567225db7c94386a6e71aded1bfa63",
+        "version" : "1.22.0"
       }
     },
     {
@@ -288,6 +297,15 @@
         "revision" : "2bc05a18f20fcf124520f078b57a58e6c6f077c5"
       }
     },
+    {
+      "identity" : "swift-service-lifecycle",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/swift-server/swift-service-lifecycle.git",
+      "state" : {
+        "revision" : "d7fe0e731499a8dcce53bf4cbbc812c8e565d3a7",
+        "version" : "2.4.1"
+      }
+    },
     {
       "identity" : "swift-system",
       "kind" : "remoteSourceControl",
@@ -311,8 +329,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/vapor/vapor.git",
       "state" : {
-        "revision" : "4942d74e8493fc918ed6144c835c8a0e6affd4f4",
-        "version" : "4.92.1"
+        "revision" : "3a7da193a2937472b252b8db210897e7abf37b47",
+        "version" : "4.92.4"
       }
     },
     {
diff --git a/Sources/App/Migrations/CreateOrganization.swift b/Sources/App/Migrations/CreateOrganization.swift
index 767802f..ea29d97 100644
--- a/Sources/App/Migrations/CreateOrganization.swift
+++ b/Sources/App/Migrations/CreateOrganization.swift
@@ -4,11 +4,11 @@ struct CreateOrganization: AsyncMigration {
     func prepare(on database: Database) async throws {
         try await database.schema(Organization.schema)
             .id()
-            .field("name", .string, .required)
-            .field("api_key", .string)
-            .field("created_at", .datetime)
-            .field("updated_at", .datetime)
-            .unique(on: "api_key")
+            .field(.name, .string, .required)
+            .field(.apiKey, .string)
+            .field(.createdAt, .datetime)
+            .field(.updatedAt, .datetime)
+            .unique(on: .apiKey)
             .create()
     }
 
diff --git a/Sources/App/Migrations/CreateProfile.swift b/Sources/App/Migrations/CreateProfile.swift
index b9a14df..8932112 100644
--- a/Sources/App/Migrations/CreateProfile.swift
+++ b/Sources/App/Migrations/CreateProfile.swift
@@ -4,15 +4,15 @@ struct CreateProfile: AsyncMigration {
     func prepare(on database: Database) async throws {
         try await database.schema(Profile.schema)
             .id()
-            .field("firebase_user_id", .string, .required)
-            .field("email", .string, .required)
-            .field("name", .string)
-            .field("avatar_url", .string)
-            .field("subscribed_to_newsletter_at", .date)
-            .field("created_at", .datetime)
-            .field("updated_at", .datetime)
-            .unique(on: "firebase_user_id")
-            .unique(on: "email")
+            .field(.firebaseUserId, .string, .required)
+            .field(.email, .string, .required)
+            .field(.name, .string)
+            .field(.avatarUrl, .string)
+            .field(.subscribedToNewsletterAt, .date)
+            .field(.createdAt, .datetime)
+            .field(.updatedAt, .datetime)
+            .unique(on: .firebaseUserId)
+            .unique(on: .email)
             .create()
     }
 
diff --git a/Sources/App/Migrations/CreateProfileOrganizationRole.swift b/Sources/App/Migrations/CreateProfileOrganizationRole.swift
index 764fd15..3ceafd8 100644
--- a/Sources/App/Migrations/CreateProfileOrganizationRole.swift
+++ b/Sources/App/Migrations/CreateProfileOrganizationRole.swift
@@ -11,12 +11,12 @@ struct CreateProfileOrganizationRole: AsyncMigration {
         
         try await database.schema(ProfileOrganizationRole.schema)
             .id()
-            .field("role", organizationRoles, .required)
-            .field("profile_id", .uuid, .references(Profile.schema, "id", onDelete: .cascade))
-            .field("organization_id", .uuid, .references(Organization.schema, "id", onDelete: .cascade))
-            .field("created_at", .datetime)
-            .field("updated_at", .datetime)
-            .unique(on: "profile_id", "organization_id")
+            .field(.role, organizationRoles, .required)
+            .field(.profileId, .uuid, .references(Profile.schema, "id", onDelete: .cascade))
+            .field(.organizationId, .uuid, .references(Organization.schema, "id", onDelete: .cascade))
+            .field(.createdAt, .datetime)
+            .field(.updatedAt, .datetime)
+            .unique(on: .profileId, .organizationId)
             .create()
     }
 
diff --git a/Sources/App/Models/FIeldKeys.swift b/Sources/App/Models/FIeldKeys.swift
new file mode 100644
index 0000000..b392b5e
--- /dev/null
+++ b/Sources/App/Models/FIeldKeys.swift
@@ -0,0 +1,22 @@
+//
+//  File.swift
+//  
+//
+//  Created by Petr Pavlik on 11.03.2024.
+//
+
+import Fluent
+
+extension FieldKey {
+    static let name: FieldKey = "name"
+    static let createdAt: FieldKey = "created_at"
+    static let updatedAt: FieldKey = "updated_at"
+    static let apiKey: FieldKey = "api_key"
+    static let email: FieldKey = "email"
+    static let avatarUrl: FieldKey = "avatar_url"
+    static let firebaseUserId: FieldKey = "firebase_user_id"
+    static let subscribedToNewsletterAt: FieldKey = "subscribed_to_newsletter_at"
+    static let role: FieldKey = "role"
+    static let profileId: FieldKey = "profile_id"
+    static let organizationId: FieldKey = "organization_id"
+}
diff --git a/Sources/App/Models/Organization.swift b/Sources/App/Models/Organization.swift
index 49af7e1..0bf4284 100644
--- a/Sources/App/Models/Organization.swift
+++ b/Sources/App/Models/Organization.swift
@@ -7,16 +7,16 @@ final class Organization: Model, Content {
     @ID(key: .id)
     var id: UUID?
 
-    @Field(key: "name")
+    @Field(key: .name)
     var name: String
 
-    @Timestamp(key: "created_at", on: .create)
+    @Timestamp(key: .createdAt, on: .create)
     var createdAt: Date?
 
-    @Timestamp(key: "updated_at", on: .update)
+    @Timestamp(key: .updatedAt, on: .update)
     var updatedAt: Date?
 
-    @OptionalField(key: "api_key")
+    @OptionalField(key: .apiKey)
     var apiKey: String?
 
     @Siblings(through: ProfileOrganizationRole.self, from: \.$organization, to: \.$profile)
diff --git a/Sources/App/Models/Profile.swift b/Sources/App/Models/Profile.swift
index 86b899c..51c52d5 100644
--- a/Sources/App/Models/Profile.swift
+++ b/Sources/App/Models/Profile.swift
@@ -7,25 +7,25 @@ final class Profile: Model, Content {
     @ID(key: .id)
     var id: UUID?
 
-    @Field(key: "firebase_user_id")
+    @Field(key: .firebaseUserId)
     var firebaseUserId: String
 
-    @Field(key: "email")
+    @Field(key: .email)
     var email: String
 
-    @OptionalField(key: "subscribed_to_newsletter_at")
+    @OptionalField(key: .subscribedToNewsletterAt)
     var subscribedToNewsletterAt: Date?
     
-    @OptionalField(key: "name")
+    @OptionalField(key: .name)
     var name: String?
     
-    @OptionalField(key: "avatar_url")
+    @OptionalField(key: .avatarUrl)
     var avatarUrl: String?
 
-    @Timestamp(key: "created_at", on: .create)
+    @Timestamp(key: .createdAt, on: .create)
     var createdAt: Date?
 
-    @Timestamp(key: "updated_at", on: .update)
+    @Timestamp(key: .updatedAt, on: .update)
     var updatedAt: Date?
 
     @Siblings(through: ProfileOrganizationRole.self, from: \.$profile, to: \.$organization)
diff --git a/Sources/App/Models/ProfileOrganizationRole.swift b/Sources/App/Models/ProfileOrganizationRole.swift
index eee5617..db7dcb4 100644
--- a/Sources/App/Models/ProfileOrganizationRole.swift
+++ b/Sources/App/Models/ProfileOrganizationRole.swift
@@ -20,19 +20,19 @@ final class ProfileOrganizationRole: Model {
     @ID(key: .id)
     var id: UUID?
 
-    @Parent(key: "profile_id")
+    @Parent(key: .profileId)
     var profile: Profile
 
-    @Parent(key: "organization_id")
+    @Parent(key: .organizationId)
     var organization: Organization
 
     @Enum(key: "role")
     var role: Role
     
-    @Timestamp(key: "created_at", on: .create)
+    @Timestamp(key: .createdAt, on: .create)
     var createdAt: Date?
 
-    @Timestamp(key: "updated_at", on: .update)
+    @Timestamp(key: .updatedAt, on: .update)
     var updatedAt: Date?
 
     init() { }