diff --git a/{{cookiecutter.app_name}}/domain/pom.xml b/{{cookiecutter.app_name}}/domain/pom.xml
new file mode 100644
index 0000000..b8c79b5
--- /dev/null
+++ b/{{cookiecutter.app_name}}/domain/pom.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <parent>
+    <groupId>{{cookiecutter.group_id}}</groupId>
+    <artifactId>{{cookiecutter.artifact_id}}-parent</artifactId>
+    <version>1.0-SNAPSHOT</version>
+  </parent>
+  <modelVersion>4.0.0</modelVersion>
+  <artifactId>domain</artifactId>
+  <dependencies>
+    <dependency>
+      <groupId>{{cookiecutter.group_id}}</groupId>
+      <artifactId>domain-api</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.assertj</groupId>
+      <artifactId>assertj-core</artifactId>
+      <scope>test</scope>
+    </dependency>
+  </dependencies>
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>com.societegenerale.commons</groupId>
+        <artifactId>arch-unit-maven-plugin</artifactId>
+        <configuration>
+          <rules>
+            <preConfiguredRules>
+              <rule>com.societegenerale.commons.plugin.rules.NoStandardStreamRuleTest</rule>
+              <rule>com.societegenerale.commons.plugin.rules.NoJodaTimeRuleTest</rule>
+              <rule>com.societegenerale.commons.plugin.rules.NoJavaUtilDateRuleTest</rule>
+              <rule>com.societegenerale.commons.plugin.rules.NoPrefixForInterfacesRuleTest</rule>
+              <rule>com.societegenerale.commons.plugin.rules.NoPublicFieldRuleTest</rule>
+              <rule>com.societegenerale.commons.plugin.rules.NoInjectedFieldTest</rule>
+              <rule>com.societegenerale.commons.plugin.rules.NoAutowiredFieldTest</rule>
+            </preConfiguredRules>
+          </rules>
+        </configuration>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/{{cookiecutter.app_name}}/domain/src/main/java/{{cookiecutter.package_name}}/domain/{{cookiecutter.domain_capitalized}}Domain.java b/{{cookiecutter.app_name}}/domain/src/main/java/{{cookiecutter.package_name}}/domain/{{cookiecutter.domain_capitalized}}Domain.java
new file mode 100644
index 0000000..72d382d
--- /dev/null
+++ b/{{cookiecutter.app_name}}/domain/src/main/java/{{cookiecutter.package_name}}/domain/{{cookiecutter.domain_capitalized}}Domain.java
@@ -0,0 +1,32 @@
+package {{cookiecutter.package_name}}.domain;
+
+import java.util.List;
+import lombok.NonNull;
+import {{cookiecutter.package_name}}.domain.exception.{{cookiecutter.domain_capitalized}}NotFoundException;
+import {{cookiecutter.package_name}}.domain.model.{{cookiecutter.domain_capitalized}};
+import {{cookiecutter.package_name}}.domain.port.Obtain{{cookiecutter.domain_capitalized}};
+import {{cookiecutter.package_name}}.domain.port.Request{{cookiecutter.domain_capitalized}};
+
+public class {{cookiecutter.domain_capitalized}}Domain implements Request{{cookiecutter.domain_capitalized}} {
+
+  private final Obtain{{cookiecutter.domain_capitalized}} obtain{{cookiecutter.domain_capitalized}};
+
+  public {{cookiecutter.domain_capitalized}}Domain() {
+    this(new Obtain{{cookiecutter.domain_capitalized}}() {});
+  }
+
+  public {{cookiecutter.domain_capitalized}}Domain(Obtain{{cookiecutter.domain_capitalized}} obtain{{cookiecutter.domain_capitalized}}) {
+    this.obtain{{cookiecutter.domain_capitalized}} = obtain{{cookiecutter.domain_capitalized}};
+  }
+
+  @Override
+  public List<{{cookiecutter.domain_capitalized}}> get{{cookiecutter.domain_plural_capitalized}}() {
+    return obtain{{cookiecutter.domain_capitalized}}.getAll{{cookiecutter.domain_plural_capitalized}}();
+  }
+
+  @Override
+  public {{cookiecutter.domain_capitalized}} get{{cookiecutter.domain_capitalized}}ByCode(@NonNull Long code) {
+    var {{cookiecutter.domain}} = obtain{{cookiecutter.domain_capitalized}}.get{{cookiecutter.domain_capitalized}}ByCode(code);
+    return {{cookiecutter.domain}}.orElseThrow(() -> new {{cookiecutter.domain_capitalized}}NotFoundException(code));
+  }
+}
diff --git a/{{cookiecutter.app_name}}/domain/src/test/java/{{cookiecutter.package_name}}/AcceptanceTest.java b/{{cookiecutter.app_name}}/domain/src/test/java/{{cookiecutter.package_name}}/AcceptanceTest.java
new file mode 100644
index 0000000..fb82876
--- /dev/null
+++ b/{{cookiecutter.app_name}}/domain/src/test/java/{{cookiecutter.package_name}}/AcceptanceTest.java
@@ -0,0 +1,92 @@
+package {{cookiecutter.package_name}};
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import java.util.List;
+import java.util.Optional;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.junit.jupiter.MockitoExtension;
+import {{cookiecutter.package_name}}.domain.{{cookiecutter.domain_capitalized}}Domain;
+import {{cookiecutter.package_name}}.domain.exception.{{cookiecutter.domain_capitalized}}NotFoundException;
+import {{cookiecutter.package_name}}.domain.model.{{cookiecutter.domain_capitalized}};
+import {{cookiecutter.package_name}}.domain.port.Obtain{{cookiecutter.domain_capitalized}};
+
+@ExtendWith(MockitoExtension.class)
+public class AcceptanceTest {
+
+  @Test
+  @DisplayName("should be able to get {{cookiecutter.domain_plural}} when asked for {{cookiecutter.domain_plural}} from hard coded {{cookiecutter.domain_plural}}")
+  public void get{{cookiecutter.domain_plural_capitalized}}FromHardCoded() {
+    /*
+       Request{{cookiecutter.domain_capitalized}}    - left side port
+       {{cookiecutter.domain_capitalized}}Domain     - hexagon (domain)
+       Obtain{{cookiecutter.domain_capitalized}}     - right side port
+    */
+    var request{{cookiecutter.domain_capitalized}} = new {{cookiecutter.domain_capitalized}}Domain(); // the {{cookiecutter.domain}} is hard coded
+    var {{cookiecutter.domain_plural}} = request{{cookiecutter.domain_capitalized}}.get{{cookiecutter.domain_plural_capitalized}}();
+    assertThat({{cookiecutter.domain_plural}})
+        .hasSize(1)
+        .extracting("description")
+        .contains(
+            "If you could read a leaf or tree\r\nyoud have no need of books.\r\n-- Alistair Cockburn (1987)");
+  }
+
+  @Test
+  @DisplayName("should be able to get {{cookiecutter.domain_plural}} when asked for {{cookiecutter.domain_plural}} from stub")
+  public void get{{cookiecutter.domain_plural_capitalized}}FromMockedStub(@Mock Obtain{{cookiecutter.domain_capitalized}} obtain{{cookiecutter.domain_capitalized}}) {
+    // Stub
+    var {{cookiecutter.domain}} =
+        {{cookiecutter.domain_capitalized}}.builder()
+            .code(1L)
+            .description(
+                "I want to sleep\r\nSwat the flies\r\nSoftly, please.\r\n\r\n-- Masaoka Shiki (1867-1902)")
+            .build();
+    Mockito.lenient().when(obtain{{cookiecutter.domain_capitalized}}.getAll{{cookiecutter.domain_plural_capitalized}}()).thenReturn(List.of({{cookiecutter.domain}}));
+    // hexagon
+    var request{{cookiecutter.domain_capitalized}} = new {{cookiecutter.domain_capitalized}}Domain(obtain{{cookiecutter.domain_capitalized}});
+    var {{cookiecutter.domain_plural}} = request{{cookiecutter.domain_capitalized}}.get{{cookiecutter.domain_plural_capitalized}}();
+    assertThat({{cookiecutter.domain_plural}})
+        .hasSize(1)
+        .extracting("description")
+        .contains(
+            "I want to sleep\r\nSwat the flies\r\nSoftly, please.\r\n\r\n-- Masaoka Shiki (1867-1902)");
+  }
+
+  @Test
+  @DisplayName("should be able to get {{cookiecutter.domain}} when asked for {{cookiecutter.domain}} by id from stub")
+  public void get{{cookiecutter.domain_capitalized}}ByIdFromMockedStub(@Mock Obtain{{cookiecutter.domain_capitalized}} obtain{{cookiecutter.domain_capitalized}}) {
+    // Given
+    // Stub
+    var code = 1L;
+    var description =
+        "I want to sleep\\r\\nSwat the flies\\r\\nSoftly, please.\\r\\n\\r\\n-- Masaoka Shiki (1867-1902)";
+    var expected{{cookiecutter.domain_capitalized}} = {{cookiecutter.domain_capitalized}}.builder().code(code).description(description).build();
+    Mockito.lenient()
+        .when(obtain{{cookiecutter.domain_capitalized}}.get{{cookiecutter.domain_capitalized}}ByCode(code))
+        .thenReturn(Optional.of(expected{{cookiecutter.domain_capitalized}}));
+    // When
+    var request{{cookiecutter.domain_capitalized}} = new {{cookiecutter.domain_capitalized}}Domain(obtain{{cookiecutter.domain_capitalized}});
+    var actual{{cookiecutter.domain_capitalized}} = request{{cookiecutter.domain_capitalized}}.get{{cookiecutter.domain_capitalized}}ByCode(code);
+    assertThat(actual{{cookiecutter.domain_capitalized}}).isNotNull().isEqualTo(expected{{cookiecutter.domain_capitalized}});
+  }
+
+  @Test
+  @DisplayName("should throw exception when asked for {{cookiecutter.domain}} by id that does not exists from stub")
+  public void getExceptionWhenAsked{{cookiecutter.domain_capitalized}}ByIdThatDoesNotExist(@Mock Obtain{{cookiecutter.domain_capitalized}} obtain{{cookiecutter.domain_capitalized}}) {
+    // Given
+    // Stub
+    var code = -1000L;
+    Mockito.lenient().when(obtain{{cookiecutter.domain_capitalized}}.get{{cookiecutter.domain_capitalized}}ByCode(code)).thenReturn(Optional.empty());
+    // When
+    var request{{cookiecutter.domain_capitalized}} = new {{cookiecutter.domain_capitalized}}Domain(obtain{{cookiecutter.domain_capitalized}});
+    // Then
+    assertThatThrownBy(() -> request{{cookiecutter.domain_capitalized}}.get{{cookiecutter.domain_capitalized}}ByCode(code))
+        .isInstanceOf({{cookiecutter.domain_capitalized}}NotFoundException.class)
+        .hasMessageContaining("{{cookiecutter.domain_capitalized}} with code " + code + " does not exist");
+  }
+}
diff --git a/{{cookiecutter.app_name}}/pom.xml b/{{cookiecutter.app_name}}/pom.xml
index ab40947..af650ec 100644
--- a/{{cookiecutter.app_name}}/pom.xml
+++ b/{{cookiecutter.app_name}}/pom.xml
@@ -35,14 +35,25 @@
   </properties>
   <modules>
     <module>domain-api</module>
-    <!--<module>domain</module>
-    <module>rest-adapter</module>
+    <module>domain</module>
+    <!--<module>rest-adapter</module>
     <module>jpa-adapter</module>
     <module>bootstrap</module>
     <module>acceptance-test</module>-->
   </modules>
   <dependencyManagement>
     <dependencies>
+      <!-- Project module dependency -->
+      <dependency>
+        <groupId>{{cookiecutter.group_id}}</groupId>
+        <artifactId>domain-api</artifactId>
+        <version>${project.version}</version>
+      </dependency>
+      <dependency>
+        <groupId>{{cookiecutter.group_id}}</groupId>
+        <artifactId>domain</artifactId>
+        <version>${project.version}</version>
+      </dependency>
       <!-- Frameworks & Libraries -->
       <dependency>
         <groupId>org.junit</groupId>