refactor: move config module from domain to application layer

src/domain/config/environment_config.rs → src/application/command_handlers/create/config/environment_config.rs

@@ -21,7 +21,7 @@ use super::ssh_credentials_config::SshCredentialsConfig;
 /// # Examples
 ///
 /// ```rust
-/// use torrust_tracker_deployer_lib::domain::config::{EnvironmentCreationConfig, EnvironmentSection};
+/// use torrust_tracker_deployer_lib::application::command_handlers::create::config::{EnvironmentCreationConfig, EnvironmentSection};
 ///
 /// let json = r#"{
 ///     "environment": {
@@ -66,7 +66,7 @@ impl EnvironmentCreationConfig {
     /// # Examples
     ///
     /// ```rust
-    /// use torrust_tracker_deployer_lib::domain::config::{
+    /// use torrust_tracker_deployer_lib::application::command_handlers::create::config::{
     ///     EnvironmentCreationConfig, EnvironmentSection, SshCredentialsConfig
     /// };
     ///
@@ -117,7 +117,7 @@ impl EnvironmentCreationConfig {
     /// # Examples
     ///
     /// ```rust
-    /// use torrust_tracker_deployer_lib::domain::config::{
+    /// use torrust_tracker_deployer_lib::application::command_handlers::create::config::{
     ///     EnvironmentCreationConfig, EnvironmentSection, SshCredentialsConfig
     /// };
     /// use torrust_tracker_deployer_lib::domain::Environment;
@@ -163,7 +163,7 @@ impl EnvironmentCreationConfig {
     /// # Examples
     ///
     /// ```rust
-    /// use torrust_tracker_deployer_lib::domain::config::EnvironmentCreationConfig;
+    /// use torrust_tracker_deployer_lib::application::command_handlers::create::config::EnvironmentCreationConfig;
     ///
     /// let template = EnvironmentCreationConfig::template();
     /// assert_eq!(template.environment.name, "REPLACE_WITH_ENVIRONMENT_NAME");
@@ -208,7 +208,7 @@ impl EnvironmentCreationConfig {
     /// # Examples
     ///
     /// ```rust,no_run
-    /// use torrust_tracker_deployer_lib::domain::config::EnvironmentCreationConfig;
+    /// use torrust_tracker_deployer_lib::application::command_handlers::create::config::EnvironmentCreationConfig;
     /// use std::path::Path;
     ///
     /// # async fn example() -> Result<(), Box<dyn std::error::Error>> {

src/domain/config/errors.rs → src/application/command_handlers/create/config/errors.rs

@@ -70,7 +70,7 @@ impl CreateConfigError {
     /// # Examples
     ///
     /// ```rust
-    /// use torrust_tracker_deployer_lib::domain::config::CreateConfigError;
+    /// use torrust_tracker_deployer_lib::application::command_handlers::create::config::CreateConfigError;
     /// use std::path::PathBuf;
     ///
     /// let error = CreateConfigError::PrivateKeyNotFound {

src/domain/config/mod.rs → src/application/command_handlers/create/config/mod.rs

@@ -1,15 +1,16 @@
-//! Configuration Domain Module
+//! Configuration Module for Create Command
 //!
-//! This module provides configuration value objects and validation for creating
-//! deployment environments. It sits at the boundary between external configuration
+//! This module provides configuration Data Transfer Objects (DTOs) and validation for
+//! creating deployment environments. It sits at the boundary between external configuration
 //! sources (JSON files, CLI arguments, etc.) and the internal domain model.
 //!
 //! ## Architecture
 //!
-//! The configuration layer is distinct from both the adapters and domain layers:
+//! The configuration DTOs in this module are specific to the create command and are distinct
+//! from both the domain and adapter layers:
 //!
-//! - **Configuration Layer** (`domain::config`): String-based configuration objects
-//!   that deserialize from external sources (JSON, TOML, CLI)
+//! - **Configuration DTOs** (`application::command_handlers::create::config`): String-based
+//!   configuration objects that deserialize from external sources (JSON, TOML, CLI)
 //! - **Domain Layer** (`domain::environment`): Strongly-typed domain entities
 //!   with business validation
 //! - **Adapter Layer** (`adapters::ssh`): Infrastructure-specific implementations
@@ -43,7 +44,7 @@
 //! ## Usage Example
 //!
 //! ```rust
-//! use torrust_tracker_deployer_lib::domain::config::{
+//! use torrust_tracker_deployer_lib::application::command_handlers::create::config::{
 //!     EnvironmentCreationConfig, EnvironmentSection, SshCredentialsConfig
 //! };
 //! use torrust_tracker_deployer_lib::domain::Environment;

src/domain/config/ssh_credentials_config.rs → src/application/command_handlers/create/config/ssh_credentials_config.rs

@@ -27,7 +27,7 @@ const DEFAULT_SSH_PORT: u16 = 22;
 /// # Examples
 ///
 /// ```rust
-/// use torrust_tracker_deployer_lib::domain::config::SshCredentialsConfig;
+/// use torrust_tracker_deployer_lib::application::command_handlers::create::config::SshCredentialsConfig;
 ///
 /// let config = SshCredentialsConfig {
 ///     private_key_path: "fixtures/testing_rsa".to_string(),
@@ -63,7 +63,7 @@ impl SshCredentialsConfig {
     /// # Examples
     ///
     /// ```rust
-    /// use torrust_tracker_deployer_lib::domain::config::SshCredentialsConfig;
+    /// use torrust_tracker_deployer_lib::application::command_handlers::create::config::SshCredentialsConfig;
     ///
     /// let config = SshCredentialsConfig::new(
     ///     "fixtures/testing_rsa".to_string(),
@@ -109,7 +109,7 @@ impl SshCredentialsConfig {
     /// # Examples
     ///
     /// ```rust
-    /// use torrust_tracker_deployer_lib::domain::config::SshCredentialsConfig;
+    /// use torrust_tracker_deployer_lib::application::command_handlers::create::config::SshCredentialsConfig;
     ///
     /// let config = SshCredentialsConfig::new(
     ///     "fixtures/testing_rsa".to_string(),

src/application/command_handlers/create/errors.rs

@@ -6,7 +6,7 @@
 
 use thiserror::Error;
 
-use crate::domain::config::CreateConfigError;
+use crate::application::command_handlers::create::config::CreateConfigError;
 use crate::domain::environment::repository::RepositoryError;
 
 /// Errors that can occur during environment creation command execution

src/application/command_handlers/create/handler.rs

@@ -7,7 +7,7 @@
 use std::sync::Arc;
 use tracing::{info, instrument};
 
-use crate::domain::config::EnvironmentCreationConfig;
+use crate::application::command_handlers::create::config::EnvironmentCreationConfig;
 use crate::domain::environment::repository::EnvironmentRepository;
 use crate::domain::environment::{Created, Environment};
 use crate::shared::Clock;
@@ -42,7 +42,7 @@ use super::errors::CreateCommandHandlerError;
 /// ```rust,no_run
 /// use std::sync::Arc;
 /// use torrust_tracker_deployer_lib::application::command_handlers::create::CreateCommandHandler;
-/// use torrust_tracker_deployer_lib::domain::config::{
+/// use torrust_tracker_deployer_lib::application::command_handlers::create::config::{
 ///     EnvironmentCreationConfig, EnvironmentSection, SshCredentialsConfig
 /// };
 /// use torrust_tracker_deployer_lib::infrastructure::persistence::repository_factory::RepositoryFactory;
@@ -153,7 +153,7 @@ impl CreateCommandHandler {
     ///
     /// ```rust,no_run
     /// use torrust_tracker_deployer_lib::application::command_handlers::create::CreateCommandHandler;
-    /// use torrust_tracker_deployer_lib::domain::config::{
+    /// use torrust_tracker_deployer_lib::application::command_handlers::create::config::{
     ///     EnvironmentCreationConfig, EnvironmentSection, SshCredentialsConfig
     /// };
     ///

src/application/command_handlers/create/mod.rs

@@ -25,7 +25,7 @@
 //! ```rust,no_run
 //! use std::sync::Arc;
 //! use torrust_tracker_deployer_lib::application::command_handlers::create::CreateCommandHandler;
-//! use torrust_tracker_deployer_lib::domain::config::{
+//! use torrust_tracker_deployer_lib::application::command_handlers::create::config::{
 //!     EnvironmentCreationConfig, EnvironmentSection, SshCredentialsConfig
 //! };
 //! use torrust_tracker_deployer_lib::infrastructure::persistence::repository_factory::RepositoryFactory;
@@ -64,6 +64,7 @@
 //! }
 //! ```
 
+pub mod config;
 pub mod errors;
 pub mod handler;
 

src/application/command_handlers/create/tests/builders.rs

@@ -9,8 +9,10 @@ use std::sync::Arc;
 use chrono::{DateTime, Utc};
 use tempfile::TempDir;
 
+use crate::application::command_handlers::create::config::{
+    EnvironmentCreationConfig, EnvironmentSection, SshCredentialsConfig,
+};
 use crate::application::command_handlers::create::CreateCommandHandler;
-use crate::domain::config::{EnvironmentCreationConfig, EnvironmentSection, SshCredentialsConfig};
 use crate::domain::environment::{Environment, EnvironmentName};
 use crate::infrastructure::persistence::repository_factory::RepositoryFactory;
 use crate::shared::Clock;

src/application/command_handlers/create/tests/integration.rs

@@ -110,7 +110,7 @@ fn it_should_persist_environment_state_to_repository() {
 
 #[test]
 fn it_should_fail_with_invalid_environment_name() {
-    use crate::domain::config::{
+    use crate::application::command_handlers::create::config::{
         EnvironmentCreationConfig, EnvironmentSection, SshCredentialsConfig,
     };
     use std::fs;
@@ -154,7 +154,7 @@ fn it_should_fail_with_invalid_environment_name() {
 
 #[test]
 fn it_should_fail_when_ssh_private_key_not_found() {
-    use crate::domain::config::{
+    use crate::application::command_handlers::create::config::{
         EnvironmentCreationConfig, EnvironmentSection, SshCredentialsConfig,
     };
 

src/domain/mod.rs

@@ -5,15 +5,13 @@
 //!
 //! ## Components
 //!
-//! - `config` - Configuration value objects and validation for environment creation
 //! - `environment` - Environment module with entity, name validation, and state management
 //!   - `environment::name` - Environment name validation and management
 //!   - `environment::state` - State marker types and type erasure for environment state machine
 //! - `instance_name` - LXD instance name validation and management
 //! - `profile_name` - LXD profile name validation and management
 //! - `template` - Core template domain models and business logic
 
-pub mod config;
 pub mod environment;
 pub mod instance_name;
 pub mod profile_name;

src/presentation/commands/create/config_loader.rs

@@ -11,7 +11,7 @@ use figment::{
     Figment,
 };
 
-use crate::domain::config::EnvironmentCreationConfig;
+use crate::application::command_handlers::create::config::EnvironmentCreationConfig;
 
 use super::errors::{ConfigFormat, CreateSubcommandError};
 

src/presentation/commands/create/errors.rs

@@ -55,7 +55,7 @@ pub enum CreateSubcommandError {
     ConfigValidationFailed(
         /// Underlying validation error from domain layer
         #[source]
-        crate::domain::config::CreateConfigError,
+        crate::application::command_handlers::create::config::CreateConfigError,
     ),
 
     /// Command execution failed
@@ -71,7 +71,7 @@ pub enum CreateSubcommandError {
     TemplateGenerationFailed(
         /// Underlying template generation error from domain layer
         #[source]
-        crate::domain::config::CreateConfigError,
+        crate::application::command_handlers::create::config::CreateConfigError,
     ),
 }
 
@@ -216,7 +216,7 @@ mod tests {
 
     #[test]
     fn it_should_have_help_for_all_error_variants() {
-        use crate::domain::config::CreateConfigError;
+        use crate::application::command_handlers::create::config::CreateConfigError;
         use crate::domain::EnvironmentNameError;
 
         let errors: Vec<CreateSubcommandError> = vec![

src/presentation/commands/create/subcommands/environment.rs

@@ -7,8 +7,8 @@ use std::path::Path;
 use std::sync::Arc;
 use std::time::Duration;
 
+use crate::application::command_handlers::create::config::EnvironmentCreationConfig;
 use crate::application::command_handlers::create::CreateCommandHandler;
-use crate::domain::config::EnvironmentCreationConfig;
 use crate::infrastructure::persistence::repository_factory::RepositoryFactory;
 use crate::presentation::user_output::{UserOutput, VerbosityLevel};
 use crate::shared::{Clock, SystemClock};

src/presentation/commands/create/subcommands/template.rs

@@ -5,7 +5,7 @@
 
 use std::path::Path;
 
-use crate::domain::config::EnvironmentCreationConfig;
+use crate::application::command_handlers::create::config::EnvironmentCreationConfig;
 use crate::presentation::user_output::{UserOutput, VerbosityLevel};
 
 use super::super::errors::CreateSubcommandError;

src/testing/e2e/tasks/run_create_command.rs

@@ -21,10 +21,12 @@ use std::sync::Arc;
 use thiserror::Error;
 use tracing::info;
 
+use crate::application::command_handlers::create::config::{
+    EnvironmentCreationConfig, EnvironmentSection, SshCredentialsConfig,
+};
 use crate::application::command_handlers::create::{
     CreateCommandHandler, CreateCommandHandlerError,
 };
-use crate::domain::config::{EnvironmentCreationConfig, EnvironmentSection, SshCredentialsConfig};
 use crate::domain::environment::Created;
 use crate::domain::Environment;
 use crate::infrastructure::persistence::repository_factory::RepositoryFactory;