diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index cb55666..e0d4582 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -33,5 +33,8 @@ jobs:
         restore-keys: |
           ${{ runner.os }}-maven-
 
-    - name: Run Tests
+    - name: Run Tests with Quarkus (default)
       run: mvn --batch-mode verify coveralls:report -DrepoToken=${{ secrets.COVERALLS_REPO_TOKEN }}
+
+    - name: Run Tests with Spring Boot
+      run: mvn --batch-mode verify -Pspring
\ No newline at end of file
diff --git a/Dockerfile b/Dockerfile
index bcd08b3..d618908 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -57,6 +57,7 @@ RUN curl https://repo1.maven.org/maven2/org/flywaydb/flyway-commandline/${FLYWAY
 # Configure the JAVA_OPTIONS, you can add -XshowSettings:vm to also display the heap size.
 ENV JAVA_OPTIONS="-Dquarkus.http.host=0.0.0.0 -Djava.util.logging.manager=org.jboss.logmanager.LogManager"
 ENV JAVA_APP_JAR="quarkus-run.jar"
+
 COPY app/quarkus-app/target/quarkus-app/ /deployments/
 COPY resources/flyway/db/migration /flyway/sql
 
diff --git a/README.md b/README.md
index 7e69492..1429c96 100644
--- a/README.md
+++ b/README.md
@@ -89,6 +89,7 @@ Fornecendo toda infraestrutura necessária para o desenvolvedor.
 O framework é definido pelo profile, sendo que o default é do Quarkus.
 
 #### Quarkus
+
 ```bash
 mvn clean install -Pquarkus
 # or by default:
@@ -97,12 +98,6 @@ mvn clean install
 
 #### Spring boot
 
-Nota: O projeto com Spring Boot não está finalizado. No caso o profile do Spring está sem o módulo
-de output: `restclient-http-service`, pois o Spring Boot não tem uma implementação para o microprofile-restclient
-no caso, o ideal seria a criação de um modulo com o Feign para implementar a porta do use-case: `ProtocolGeneratorClient`
-Porém, atualmente para o projeto rodar, essa porta foi implementada como um fake no modulo da app `spring-app` no seguinte package: ` br.com.helpdev.protocolgenerator`.
-Mas o módulo de `acceptance-test` irá falhar, pois o mesmo faz um mock desse serviço;
-
 ```bash
 mvn clean install -Pspring
 ```
diff --git a/acceptance-test/pom.xml b/acceptance-test/pom.xml
index 82f4ccf..ef3b60a 100644
--- a/acceptance-test/pom.xml
+++ b/acceptance-test/pom.xml
@@ -144,6 +144,11 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-failsafe-plugin</artifactId>
                 <version>${maven-failsafe-plugin.version}</version>
+                <configuration>
+                    <systemPropertyVariables>
+                        <profileId>${project.activeProfiles[0].id}</profileId>
+                    </systemPropertyVariables>
+                </configuration>
                 <executions>
                     <execution>
                         <goals>
diff --git a/acceptance-test/src/test/java/br/com/helpdev/atdd/DefaultContainerStarterTest.java b/acceptance-test/src/test/java/br/com/helpdev/atdd/DefaultContainerStarterTest.java
index 6e72f75..17c0250 100644
--- a/acceptance-test/src/test/java/br/com/helpdev/atdd/DefaultContainerStarterTest.java
+++ b/acceptance-test/src/test/java/br/com/helpdev/atdd/DefaultContainerStarterTest.java
@@ -22,6 +22,8 @@ abstract class DefaultContainerStarterTest {
   private static final GenericContainer<?> MYSQL_CONTAINER;
   private static final Network NETWORK = Network.newNetwork();
   protected static final WireMockServer MOCK_SERVER;
+  private static final String PROFILE_ID_SPRING = "spring";
+  public static final String PROP_PROFILE_ID = "profileId";
 
   /* Containers are initialized in static block to create only once in test execution  */
   static {
@@ -66,8 +68,10 @@ private static GenericContainer<?> buildAppContainer(final Startable... dependsO
         .withEnv("MYSQL_PASSWORD", "test")
         .withEnv("MYSQL_URL", "jdbc:mysql://testdb:" + MySQLContainer.MYSQL_PORT + "/test?autoReconnect=true&useSSL=false")
         .withExposedPorts(8080)
-        //TODO: change to: '/actuator/health' if you use spring
-        .waitingFor(Wait.forHttp("/q/health/ready").forStatusCode(200))
+        .waitingFor(System.getProperty(PROP_PROFILE_ID).equals(PROFILE_ID_SPRING) ?
+            Wait.forHttp("/actuator/health").forStatusCode(200) :
+            Wait.forHttp("/q/health/ready").forStatusCode(200)
+        )
         .withLogConsumer(new Slf4jLogConsumer(LoggerFactory.getLogger("APP_CONTAINER")));
   }
 
diff --git a/adapter/output/feign-http-services/pom.xml b/adapter/output/feign-http-services/pom.xml
new file mode 100644
index 0000000..7c4b180
--- /dev/null
+++ b/adapter/output/feign-http-services/pom.xml
@@ -0,0 +1,95 @@
+<?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>
+        <artifactId>modular-architecture</artifactId>
+        <groupId>br.com.helpdev</groupId>
+        <version>0.0.4-SNAPSHOT</version>
+        <relativePath>../../../pom.xml</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>feign-http-services</artifactId>
+
+    <properties>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
+        <coverage.exclude.code>**/*Dto.*</coverage.exclude.code>
+        <mutation.excluded.code>**.dto.*</mutation.excluded.code>
+        <feign-jaxrs.version>12.1</feign-jaxrs.version>
+    </properties>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework.cloud</groupId>
+                <artifactId>spring-cloud-dependencies</artifactId>
+                <version>${spring-cloud.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+    <dependencies>
+        <dependency>
+            <groupId>javax.ws.rs</groupId>
+            <artifactId>javax.ws.rs-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-databind</artifactId>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>org.springframework.cloud</groupId>
+            <artifactId>spring-cloud-starter-openfeign</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>io.github.openfeign</groupId>
+            <artifactId>feign-jaxrs</artifactId>
+            <version>${feign-jaxrs.version}</version>
+        </dependency>
+
+        <!-- Project dependencies-->
+        <dependency>
+            <groupId>br.com.helpdev</groupId>
+            <artifactId>use-case</artifactId>
+        </dependency>
+
+        <!-- Tests dependencies -->
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-junit-jupiter</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/adapter/output/feign-http-services/src/main/java/br/com/helpdev/output/feign/ProtocolGeneratorClientImpl.java b/adapter/output/feign-http-services/src/main/java/br/com/helpdev/output/feign/ProtocolGeneratorClientImpl.java
new file mode 100644
index 0000000..4a3e9d2
--- /dev/null
+++ b/adapter/output/feign-http-services/src/main/java/br/com/helpdev/output/feign/ProtocolGeneratorClientImpl.java
@@ -0,0 +1,27 @@
+package br.com.helpdev.output.feign;
+
+
+import br.com.helpdev.output.feign.client.RandomDataApiClient;
+import br.com.helpdev.usecase.port.ProtocolGeneratorClient;
+import javax.enterprise.context.ApplicationScoped;
+import javax.inject.Inject;
+import javax.inject.Named;
+
+@ApplicationScoped
+@Named
+public class ProtocolGeneratorClientImpl implements ProtocolGeneratorClient {
+
+  private final RandomDataApiClient randomDataApiClient;
+
+  @Inject
+  public ProtocolGeneratorClientImpl(final RandomDataApiClient randomDataApiClient) {
+    this.randomDataApiClient = randomDataApiClient;
+  }
+
+  @Override
+  public String generateNewProtocol() {
+    /* Generate US-SSN to simulate protocol */
+    return randomDataApiClient.generate().getValidUsSsn();
+  }
+
+}
diff --git a/adapter/output/feign-http-services/src/main/java/br/com/helpdev/output/feign/client/RandomDataApiClient.java b/adapter/output/feign-http-services/src/main/java/br/com/helpdev/output/feign/client/RandomDataApiClient.java
new file mode 100644
index 0000000..fbc5e03
--- /dev/null
+++ b/adapter/output/feign-http-services/src/main/java/br/com/helpdev/output/feign/client/RandomDataApiClient.java
@@ -0,0 +1,14 @@
+package br.com.helpdev.output.feign.client;
+
+import br.com.helpdev.output.feign.client.dto.RandomIdNumberDto;
+import javax.ws.rs.GET;
+import javax.ws.rs.Produces;
+import org.springframework.cloud.openfeign.FeignClient;
+
+@FeignClient(name = "random-data-api", url = "${random-data-api.url}", path = "/api/id_number/random_id_number")
+public interface RandomDataApiClient {
+
+  @GET
+  @Produces("application/json")
+  RandomIdNumberDto generate();
+}
diff --git a/adapter/output/feign-http-services/src/main/java/br/com/helpdev/output/feign/client/dto/RandomIdNumberDto.java b/adapter/output/feign-http-services/src/main/java/br/com/helpdev/output/feign/client/dto/RandomIdNumberDto.java
new file mode 100644
index 0000000..74be14e
--- /dev/null
+++ b/adapter/output/feign-http-services/src/main/java/br/com/helpdev/output/feign/client/dto/RandomIdNumberDto.java
@@ -0,0 +1,14 @@
+package br.com.helpdev.output.feign.client.dto;
+
+import com.fasterxml.jackson.databind.PropertyNamingStrategy;
+import com.fasterxml.jackson.databind.annotation.JsonNaming;
+import lombok.Data;
+
+@Data
+@JsonNaming(PropertyNamingStrategy.SnakeCaseStrategy.class)
+public class RandomIdNumberDto {
+  private String id;
+  private String uid;
+  private String validUsSsn;
+  private String invalidUsSsn;
+}
diff --git a/adapter/output/feign-http-services/src/main/java/br/com/helpdev/output/feign/config/FeignContractConfiguration.java b/adapter/output/feign-http-services/src/main/java/br/com/helpdev/output/feign/config/FeignContractConfiguration.java
new file mode 100644
index 0000000..0bce1bc
--- /dev/null
+++ b/adapter/output/feign-http-services/src/main/java/br/com/helpdev/output/feign/config/FeignContractConfiguration.java
@@ -0,0 +1,21 @@
+package br.com.helpdev.output.feign.config;
+
+import feign.Contract;
+import feign.jaxrs.JAXRSContract;
+import org.springframework.cloud.openfeign.EnableFeignClients;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+
+@Configuration
+@EnableFeignClients(
+    basePackages = {"br.com.helpdev.output.feign"}
+)
+public class FeignContractConfiguration {
+
+  @Bean
+  Contract contract() {
+    return new JAXRSContract();
+  }
+
+}
diff --git a/adapter/output/feign-http-services/src/test/java/br/com/helpdev/output/feign/ProtocolGeneratorClientImplTest.java b/adapter/output/feign-http-services/src/test/java/br/com/helpdev/output/feign/ProtocolGeneratorClientImplTest.java
new file mode 100644
index 0000000..4084d54
--- /dev/null
+++ b/adapter/output/feign-http-services/src/test/java/br/com/helpdev/output/feign/ProtocolGeneratorClientImplTest.java
@@ -0,0 +1,37 @@
+package br.com.helpdev.output.feign;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import br.com.helpdev.output.feign.client.RandomDataApiClient;
+import br.com.helpdev.output.feign.client.dto.RandomIdNumberDto;
+import org.assertj.core.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(MockitoExtension.class)
+class ProtocolGeneratorClientImplTest {
+
+  @Mock
+  private RandomDataApiClient randomDataApiClient;
+
+  @InjectMocks
+  private ProtocolGeneratorClientImpl protocolGeneratorClient;
+
+  @Test
+  void shouldGeneratedProtocolWithSuccess() {
+    final var randomIdNumberDto = mock(RandomIdNumberDto.class);
+    final var expectedProtocol = "xpto";
+
+    when(randomDataApiClient.generate()).thenReturn(randomIdNumberDto);
+    when(randomIdNumberDto.getValidUsSsn()).thenReturn(expectedProtocol);
+
+    final var result = protocolGeneratorClient.generateNewProtocol();
+
+    Assertions.assertThat(result).isEqualTo(expectedProtocol);
+  }
+
+}
\ No newline at end of file
diff --git a/adapter/output/feign-http-services/src/test/java/br/com/helpdev/output/feign/config/FeignContractConfigurationTest.java b/adapter/output/feign-http-services/src/test/java/br/com/helpdev/output/feign/config/FeignContractConfigurationTest.java
new file mode 100644
index 0000000..74ee284
--- /dev/null
+++ b/adapter/output/feign-http-services/src/test/java/br/com/helpdev/output/feign/config/FeignContractConfigurationTest.java
@@ -0,0 +1,24 @@
+package br.com.helpdev.output.feign.config;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import feign.jaxrs.JAXRSContract;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(MockitoExtension.class)
+class FeignContractConfigurationTest {
+  @InjectMocks
+  private FeignContractConfiguration feignContractConfiguration;
+
+  @Test
+  void shouldGeneratedNonNullJaxRsContract() {
+    final var contract = feignContractConfiguration.contract();
+
+    assertThat(contract)
+        .isInstanceOf(JAXRSContract.class)
+        .isNotNull();
+  }
+}
\ No newline at end of file
diff --git a/app/spring-app/pom.xml b/app/spring-app/pom.xml
index beefe50..8fdffe7 100644
--- a/app/spring-app/pom.xml
+++ b/app/spring-app/pom.xml
@@ -58,6 +58,10 @@
             <groupId>${project.groupId}</groupId>
             <artifactId>jpa-mysql-repository</artifactId>
         </dependency>
+        <dependency>
+            <groupId>${project.groupId}</groupId>
+            <artifactId>feign-http-services</artifactId>
+        </dependency>
         <dependency>
             <groupId>${project.groupId}</groupId>
             <artifactId>jaxrs-controller-v1</artifactId>
@@ -79,7 +83,6 @@
             <groupId>io.micrometer</groupId>
             <artifactId>micrometer-registry-prometheus</artifactId>
         </dependency>
-
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-core</artifactId>
diff --git a/app/spring-app/src/main/java/br/com/helpdev/protocolgenerator/FakeProtocolGenerator.java b/app/spring-app/src/main/java/br/com/helpdev/protocolgenerator/FakeProtocolGenerator.java
deleted file mode 100644
index edcf75e..0000000
--- a/app/spring-app/src/main/java/br/com/helpdev/protocolgenerator/FakeProtocolGenerator.java
+++ /dev/null
@@ -1,16 +0,0 @@
-package br.com.helpdev.protocolgenerator;
-
-import br.com.helpdev.usecase.port.ProtocolGeneratorClient;
-import java.util.Random;
-import org.springframework.stereotype.Component;
-
-@Component
-public class FakeProtocolGenerator implements ProtocolGeneratorClient {
-
-  public static final Random RANDOM = new Random();
-
-  @Override
-  public String generateNewProtocol() {
-    return "PROT-" + RANDOM.nextInt(Integer.MAX_VALUE);
-  }
-}
diff --git a/app/spring-app/src/main/resources/application.properties b/app/spring-app/src/main/resources/application.properties
index 0822a2c..0135f96 100644
--- a/app/spring-app/src/main/resources/application.properties
+++ b/app/spring-app/src/main/resources/application.properties
@@ -6,3 +6,5 @@ spring.datasource.password=${MYSQL_PASSWORD:pass123}
 
 management.metrics.enable.all=true
 management.endpoints.web.exposure.include=*
+
+random-data-api.url=${RANDOM_DATA_API_URL:https://random-data-api.com}
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 7ece6e9..bea2245 100644
--- a/pom.xml
+++ b/pom.xml
@@ -44,8 +44,7 @@
                 <module>core/use-case</module>
                 <module>adapter/input/jaxrs-controller-v1</module>
                 <module>adapter/output/jpa-mysql-repository</module>
-                <!--TODO: The restclient don't work in Spring; In this sample, the implementation about ProtocolGeneratorClient is in the spring-app module ( br.com.helpdev.protocolgenerator )-->
-                <!--<module>adapter/output/restclient-http-services</module>-->
+                <module>adapter/output/feign-http-services</module>
                 <module>app/spring-app</module>
                 <module>acceptance-test</module>
             </modules>
@@ -149,6 +148,11 @@
                 <artifactId>restclient-http-services</artifactId>
                 <version>${project.version}</version>
             </dependency>
+            <dependency>
+                <groupId>${project.groupId}</groupId>
+                <artifactId>feign-http-services</artifactId>
+                <version>${project.version}</version>
+            </dependency>
             <dependency>
                 <groupId>org.projectlombok</groupId>
                 <artifactId>lombok</artifactId>