diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..829925d
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,1597 @@
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diff --git a/src/entity/DeliveryPerson.js b/src/entity/DeliveryPerson.js
new file mode 100644
index 0000000..6d6c249
--- /dev/null
+++ b/src/entity/DeliveryPerson.js
@@ -0,0 +1,35 @@
+class DeliveryPerson {
+
+    constructor({id, name, age}) {
+        this.id = id;
+        this.name = name;
+        this.age = age;
+    }
+
+    getId() {
+        return this.id;
+    }
+
+    setId(id) {
+        this.id = id;
+    }
+
+    getName() {
+        return this.name;
+    }
+
+    setName(name) {
+        this.name = name;
+    }
+
+    getAge() {
+        return this.age;
+    }
+
+    setAge(age) {
+        this.age = age;
+    }
+
+}
+
+module.exports = { DeliveryPerson };
diff --git a/src/entrypoint/web_express/app.js b/src/entrypoint/web_express/app.js
new file mode 100644
index 0000000..065bf34
--- /dev/null
+++ b/src/entrypoint/web_express/app.js
@@ -0,0 +1,19 @@
+const express = require("express");
+
+const { DeliveryPersonRouter } = require("./route/DeliveryPersonRouter");
+
+
+module.exports = (diTransactionUseCase) => {
+
+    const deliveryPersonRouter = new DeliveryPersonRouter(diTransactionUseCase);
+
+    const app = express();
+
+    app.use(express.json());
+    app.use(express.urlencoded({ extended: false }));
+
+
+    app.use("/deliveryperson", deliveryPersonRouter.getRouter());
+
+    return app;
+}
diff --git a/src/entrypoint/web_express/index.js b/src/entrypoint/web_express/index.js
new file mode 100644
index 0000000..b5ad6fb
--- /dev/null
+++ b/src/entrypoint/web_express/index.js
@@ -0,0 +1,65 @@
+require("dotenv").config();
+
+const dependencyInjectionWiring = require("../../usecase/deliveryperson/MemoryDI").MemoryDI;
+var app = require('./app')(dependencyInjectionWiring);
+var http = require('http');
+
+
+var port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+
+var server = http.createServer(app);
+
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+
+function normalizePort(val) {
+    var port = parseInt(val, 10);
+
+    if (isNaN(port)) {
+        return val;
+    }
+
+    if (port >= 0) {
+        return port;
+    }
+
+    return false;
+}
+
+function onError(error) {
+    if (error.syscall !== 'listen') {
+        throw error;
+    }
+
+    var bind = typeof port === 'string'
+        ? 'Pipe ' + port
+        : 'Port ' + port;
+
+    // handle specific listen errors with friendly messages
+    switch (error.code) {
+        case 'EACCES':
+            console.error(bind + ' requires elevated privileges');
+            process.exit(1);
+            break;
+        case 'EADDRINUSE':
+            console.error(bind + ' is already in use');
+            process.exit(1);
+            break;
+        default:
+            throw error;
+    }
+}
+
+function onListening() {
+    var addr = server.address();
+    var bind = typeof addr === 'string'
+        ? 'pipe ' + addr
+        : 'port ' + addr.port;
+    console.log("listening on " + bind);
+    // debug('Listening on ' + bind);
+}
diff --git a/src/entrypoint/web_express/route/DeliveryPersonRouter.js b/src/entrypoint/web_express/route/DeliveryPersonRouter.js
new file mode 100644
index 0000000..e8d89d4
--- /dev/null
+++ b/src/entrypoint/web_express/route/DeliveryPersonRouter.js
@@ -0,0 +1,59 @@
+var express = require("express");
+
+const { Presenter } = require("../../../usecase/Presenter");
+
+
+class DeliveryPersonRouter extends Presenter {
+
+    constructor(diUseCase) {
+        super();
+        this.diUseCase = diUseCase;
+        this.router = express.Router();
+        this.loadRoutes();
+    }
+
+    getRouter() {
+        return this.router;
+    }
+
+    loadRoutes() {
+        this.router.get("/test", this.test.bind(this));
+        this.router.get("/list/:id", this.list.bind(this));
+    }
+
+    test(req, res) {
+        res.json({ok:true, message: "it worked"});
+    }
+
+    async list(req, res) {
+        const commandUseCase = await this.diUseCase.listDeliveryPersonByIdUseCase(this);
+        await commandUseCase.execute(req.params);
+        this.sendDtoResponseBack(res);
+    }
+
+    sendDtoResponseBack(res) {
+        res.status(this.responseCode).json(this.payload);
+    }
+
+    ok(payloadDto) {
+        this.responseCode = 200;
+        this.payload = payloadDto;
+    }
+
+    notFound() {
+        this.responseCode = 404;
+        this.payload = null;
+    }
+
+    invalidError(message) {
+        this.responseCode = 422;
+        this.payload = { ok: false, message };
+    }
+
+    internalError(message) {
+        this.responseCode = 500;
+        this.payload = { ok: false, message };
+    }
+}
+
+module.exports = { DeliveryPersonRouter };
diff --git a/src/service/.keep b/src/service/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/src/usecase/Presenter.js b/src/usecase/Presenter.js
new file mode 100644
index 0000000..91b389a
--- /dev/null
+++ b/src/usecase/Presenter.js
@@ -0,0 +1,21 @@
+const notImplemented = () => {throw new Error("Not implemented. Presenter should be extended.")};
+
+class Presenter {
+    ok(payload) {
+        notImplemented();
+    }
+
+    notFound() {
+        notImplemented();
+    }
+
+    validationError(invalidFields) {
+        notImplemented();
+    }
+
+    internalError(message) {
+        notImplemented();
+    }
+}
+
+module.exports = { Presenter };
diff --git a/src/usecase/UseCaseCommand.js b/src/usecase/UseCaseCommand.js
new file mode 100644
index 0000000..273da8a
--- /dev/null
+++ b/src/usecase/UseCaseCommand.js
@@ -0,0 +1,8 @@
+class UseCaseCommand {
+
+    execute() {
+        throw new Error("Not implemented. UseCase should be extended.");
+    }
+}
+
+module.exports = { UseCaseCommand };
diff --git a/src/usecase/deliveryperson/ListDeliveryPersonByIdUseCase.js b/src/usecase/deliveryperson/ListDeliveryPersonByIdUseCase.js
new file mode 100644
index 0000000..a8b9d78
--- /dev/null
+++ b/src/usecase/deliveryperson/ListDeliveryPersonByIdUseCase.js
@@ -0,0 +1,28 @@
+const { UseCaseCommand } = require("../UseCaseCommand");
+
+
+class ListDeliveryPersonByIdUseCase extends UseCaseCommand {
+
+    constructor(presenter, deliveryPersonRepository) {
+        super();
+        this.presenter = presenter;
+        this.deliveryPersonRepository = deliveryPersonRepository;
+    }
+
+    async execute({ id }) {
+
+        try {
+            const deliveryPerson = await this.deliveryPersonRepository.findById(id);
+            if(deliveryPerson)
+                return this.presenter.ok(deliveryPerson);
+            else
+                return this.presenter.notFound();
+        } catch(error) {
+            return this.presenter.internalError(error.message);
+        }
+
+    }
+
+}
+
+module.exports = { ListDeliveryPersonByIdUseCase };
diff --git a/src/usecase/deliveryperson/MemoryDI.js b/src/usecase/deliveryperson/MemoryDI.js
new file mode 100644
index 0000000..2169f10
--- /dev/null
+++ b/src/usecase/deliveryperson/MemoryDI.js
@@ -0,0 +1,14 @@
+const { ListDeliveryPersonByIdUseCase } = require("./ListDeliveryPersonByIdUseCase");
+const { MemoryDeliveryPersonRepository } = require("./MemoryDeliveryPersonRepository");
+
+class MemoryDI {
+
+    static listDeliveryPersonByIdUseCase(presenter) {
+        const repository = new MemoryDeliveryPersonRepository;
+        const useCase = new ListDeliveryPersonByIdUseCase(presenter, repository);
+        return useCase;
+    }
+
+}
+
+module.exports = { MemoryDI };
diff --git a/src/usecase/deliveryperson/MemoryDeliveryPersonRepository.js b/src/usecase/deliveryperson/MemoryDeliveryPersonRepository.js
new file mode 100644
index 0000000..70cd194
--- /dev/null
+++ b/src/usecase/deliveryperson/MemoryDeliveryPersonRepository.js
@@ -0,0 +1,33 @@
+const { DeliveryPerson } = require("../../entity/DeliveryPerson");
+
+let database = {};
+
+class MemoryDeliveryPersonRepository {
+
+    async findById(id) {
+        if(database[id]) {
+            return new DeliveryPerson(database[id]);
+        }
+        return null;
+    }
+
+    async add(deliveryPerson) {
+        const dto = this.toDto(deliveryPerson);
+        database[dto.id] = dto;
+    }
+
+    // as the mapping becomes more complex, it should move to mapper classes.
+    toDto(deliveryPerson) {
+        return {
+            id: deliveryPerson.getId(),
+            name: deliveryPerson.getName(),
+            age: deliveryPerson.getAge()
+        };
+    }
+
+    static clearDatabase() {
+        database = {};
+    }
+}
+
+module.exports = { MemoryDeliveryPersonRepository };
diff --git a/src/usecase/deliveryperson/index.js b/src/usecase/deliveryperson/index.js
new file mode 100644
index 0000000..b4d6fc0
--- /dev/null
+++ b/src/usecase/deliveryperson/index.js
@@ -0,0 +1,5 @@
+const { MemoryDI } = require("./MemoryDI");
+
+const dependencyInjector = new MemoryDI;
+
+module.exports = dependencyInjector;
diff --git a/test/unit/usecase/deliveryperson/ListDeliveryPersonByIdUseCase.js b/test/unit/usecase/deliveryperson/ListDeliveryPersonByIdUseCase.js
new file mode 100644
index 0000000..92317d3
--- /dev/null
+++ b/test/unit/usecase/deliveryperson/ListDeliveryPersonByIdUseCase.js
@@ -0,0 +1,52 @@
+"use strict";
+
+const chai = require("chai");
+const expect = chai.expect;
+const sinon = require("sinon");
+const sinonChai = require("sinon-chai");
+chai.use(sinonChai);
+
+const { Presenter } = require("../../../../src/usecase/Presenter");
+const { MemoryDeliveryPersonRepository } = require("../../../../src/usecase/deliveryperson/MemoryDeliveryPersonRepository");
+const { ListDeliveryPersonByIdUseCase } = require("../../../../src/usecase/deliveryperson/ListDeliveryPersonByIdUseCase");
+const { DeliveryPerson } = require("../../../../src/entity/DeliveryPerson");
+
+
+class DeliveryPresenter extends Presenter {
+    ok(payload) {}
+    notFound() {}
+}
+
+
+describe("List delivery person by id #unit", () => {
+
+    it("Should return no delivery person if none was added to db", async () => {
+
+        const deliveryPersonRepository = new MemoryDeliveryPersonRepository;
+
+        const presenter = new DeliveryPresenter;
+        sinon.spy(presenter, "notFound");
+
+        const listDeliveryPersonByIdUseCase = new ListDeliveryPersonByIdUseCase(presenter, deliveryPersonRepository);
+        await listDeliveryPersonByIdUseCase.execute({id: "1234"});
+
+        expect(presenter.notFound).to.have.been.called;
+    });
+
+    it("Should return one delivery person if one was added to db", async () => {
+
+        const deliveryPersonDto = {id: "1234", name: "Zaphod", age: 42};
+
+        const deliveryPersonRepository = new MemoryDeliveryPersonRepository;
+        await deliveryPersonRepository.add(new DeliveryPerson(deliveryPersonDto));
+
+        const presenter = new DeliveryPresenter;
+        sinon.spy(presenter, "ok");
+
+        const listDeliveryPersonByIdUseCase = new ListDeliveryPersonByIdUseCase(presenter, deliveryPersonRepository);
+        await listDeliveryPersonByIdUseCase.execute({id: deliveryPersonDto.id});
+
+        const response = presenter.ok.getCall(0).args[0];
+        expect(response).to.deep.equal(deliveryPersonDto);
+    });
+});
diff --git a/test/web/deliverypersonendpoints.js b/test/web/deliverypersonendpoints.js
new file mode 100644
index 0000000..8cdd9f4
--- /dev/null
+++ b/test/web/deliverypersonendpoints.js
@@ -0,0 +1,38 @@
+"use stricct";
+
+const chai = require("chai");
+const expect = chai.expect;
+const sinon = require("sinon");
+const sinonChai = require("sinon-chai");
+chai.use(sinonChai);
+const request = require('supertest');
+
+
+const { DeliveryPerson } = require("../../src/entity/DeliveryPerson");
+const { MemoryDeliveryPersonRepository } = require("../../src/usecase/deliveryperson/MemoryDeliveryPersonRepository");
+const { MemoryDI } = require("../../src/usecase/deliveryperson/MemoryDI");
+const app = require("../../src/entrypoint/web_express/app")(MemoryDI);
+
+beforeEach(() => MemoryDeliveryPersonRepository.clearDatabase());
+
+
+
+describe("Delivery Person Use Cases Routes #integration #web_express", () => {
+
+    it("Should return Ok on test route", async () => {
+        await request(app).get('/deliveryperson/test').expect(200).expect({ok:true, message: "it worked"});
+    });
+
+    it("Should return 404 when no delivery person is found", async () => {
+        await request(app).get('/deliveryperson/list/1234').expect(404);
+    });
+
+    it("Should return delivery person when providing valid id", async () => {
+        const deliveryPersonDto = {id: "1234", name: "Zaphod", age: 42};
+        const deliveryPersonRepository = new MemoryDeliveryPersonRepository;
+        await deliveryPersonRepository.add(new DeliveryPerson(deliveryPersonDto));
+
+        await request(app).get('/deliveryperson/list/1234').expect(200).expect(deliveryPersonDto);
+    });
+
+});