diff --git a/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/docker-compose.yml b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/docker-compose.yml
index 10ee182..a4521a7 100644
--- a/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/docker-compose.yml
+++ b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/docker-compose.yml
@@ -28,6 +28,7 @@ services:
       SESSION_SECRET: "absolutly_not_secret"
     links:
       - redis
+      - statuses
     volumes:
       - ./services/home_page/src:/app/src:ro
 
@@ -71,6 +72,17 @@ services:
         - https_proxy=${HTTP_PROXY}
     volumes:
       - ./services/users/src:/app/src:ro
+
+  statuses:
+    build:
+      context: services/statuses
+      args:
+        - HTTP_PROXY=${HTTP_PROXY}
+        - HTTPS_PROXY=${HTTPS_PROXY}
+        - http_proxy=${HTTP_PROXY}
+        - https_proxy=${HTTP_PROXY}
+    volumes:
+      - ./services/statuses/src:/app/src:ro
   
   redis:
     image: redis:5.0-alpine
diff --git a/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/home_page/package.json b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/home_page/package.json
index 6b3533a..116ac33 100644
--- a/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/home_page/package.json
+++ b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/home_page/package.json
@@ -15,6 +15,7 @@
     "connect-redis": "^3.4.0",
     "morgan": "^1.9.1",
     "request": "^2.83.0",
-    "request-promise-native": "^1.0.5"
+    "request-promise-native": "^1.0.5",
+    "body-parser": "^1.18.2"
   }
 }
diff --git a/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/home_page/src/server.js b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/home_page/src/server.js
index f8f1bfe..2d7d810 100644
--- a/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/home_page/src/server.js
+++ b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/home_page/src/server.js
@@ -3,6 +3,8 @@ const session = require('express-session');
 var RedisStore = require('connect-redis')(session);
 const app = express();
 const morgan = require('morgan');
+const request = require('request-promise-native');
+const bodyParser = require('body-parser');
 
 app.set('view engine', 'ejs');
 app.set('views', __dirname + '/views');
@@ -16,17 +18,38 @@ app.use(session({
   saveUninitialized: true,
 }));
 
+// On utilise le module "body-parser"
+// pour faciliter la désérialisation des données
+// du formulaire
+app.use(bodyParser.urlencoded({extended: false}));
+
 // GET /
 // Retourne la page d'accueil de MicroBloggr ou redirige vers la
 // page de login si l'utilisateur n'est pas identifié
 app.get('/', (req, res) => {
-
-  const sess = req.session;
-
   // On vérifie si un utilisateur a été associé à la session HTTP
   if (req.session.user) {
-    // Si oui, on affichage la page d'accueil
-    return res.render('index', { user: req.session.user });
+    const user = req.session.user;
+
+    // On récupère la liste des statuts depuis le microservice "statuses"
+    fetchUserStatuses(user.username)
+      .then(result => {
+
+        // Si le microservice "statuses" n'a pas pu nous renvoyer
+        // la liste des statuts
+        if (!result.ok) {
+          return res.status(500).send(result.error);
+        }
+
+        // Si oui, on affichage la page d'accueil
+        return res.render('index', { user: req.session.user, statuses: result.statuses });
+
+        
+      })
+      .catch(err => {
+        console.error(err);
+        return res.status(500).send(err.stack);
+      });
   } else {
     // Si non, on redirige l'utilisateur vers la page de login
     return res.redirect(302, '/login');
@@ -34,4 +57,55 @@ app.get('/', (req, res) => {
 
 });
 
+// POST /
+// Gère l'envoi du formulaire de création d'un nouveau statut
+app.post('/', (req, res) => {
+
+  // On vérifie si un utilisateur a été associé à la session HTTP
+  if (!req.session.user) {
+    return res.status(302).redirect("/login");
+  }
+
+  const user = req.session.user;
+  const statusText = req.body.status;
+
+  addUserStatus(user.username, statusText)
+    .then(result => {
+      if (!result.ok) {
+        return res.status(500).send(result.error);
+      }
+      // On redirige vers la page d'accueil
+      // pour afficher le nouveau statut
+      return res.status(303).redirect("/");
+    })
+    .catch(err => {
+      console.error(err);
+      return res.status(500).send(err.stack);
+    });
+
+});
+
+
+// Récupère la liste des statuts d'un utilisateur donné
+function fetchUserStatuses(username) {
+  return request({
+      uri: `http://statuses:8080/statuses/${username}`,
+      method: 'GET',
+      json: true
+    })
+  ;
+}
+
+// Récupère la liste des statuts d'un utilisateur donné
+function addUserStatus(username, text) {
+  return request({
+      uri: `http://statuses:8080/statuses`,
+      method: 'POST',
+      body: { username, text },
+      json: true
+    })
+  ;
+}
+
+
 app.listen(8080, () => console.log('listening on port 8080'));
diff --git a/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/home_page/src/views/index.ejs b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/home_page/src/views/index.ejs
index 457091f..a964dde 100644
--- a/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/home_page/src/views/index.ejs
+++ b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/home_page/src/views/index.ejs
@@ -1,13 +1,28 @@
 <html>
   <body>
     <div class="layout">
+      
       <nav class="main">
         <h1 class="brand">MicroBloggr</div>
       </nav>
+
       <div class="content">
         Bienvenue <%= user.username; %> !
         <a href="/logout">Se déconnecter</a>
       </div>
+      
+      <form action="." method="post">
+        <label>Nouveau statut</label>
+        <input name="status" type="text" />
+        <button type="submit">Envoyer</button>
+      </form>
+
+      <ul class="statuses">
+        <% statuses.forEach(s => { %>
+          <li><%= s.createdAt %> - <%= s.text %></li>
+        <% }); %>
+      </ul>
+
     </div>
   </body>
 </html>
diff --git a/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/.dockerignore b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/.dockerignore
new file mode 100644
index 0000000..07e6e47
--- /dev/null
+++ b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/.dockerignore
@@ -0,0 +1 @@
+/node_modules
diff --git a/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/.gitignore b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/.gitignore
new file mode 100644
index 0000000..07e6e47
--- /dev/null
+++ b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/.gitignore
@@ -0,0 +1 @@
+/node_modules
diff --git a/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/Dockerfile b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/Dockerfile
new file mode 100644
index 0000000..f76262d
--- /dev/null
+++ b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/Dockerfile
@@ -0,0 +1,11 @@
+FROM alpine:3.7
+
+RUN apk add --no-cache nodejs
+
+COPY ./ /app
+WORKDIR /app
+
+RUN npm install --production
+RUN npm install -g nodemon
+
+CMD ["nodemon", "src/server.js"]
diff --git a/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/package.json b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/package.json
new file mode 100644
index 0000000..1e3673e
--- /dev/null
+++ b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/package.json
@@ -0,0 +1,16 @@
+{
+  "name": "statuses",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.18.2",
+    "express": "^4.16.2",
+    "morgan": "^1.9.1"
+  }
+}
diff --git a/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/src/server.js b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/src/server.js
new file mode 100644
index 0000000..e50a92d
--- /dev/null
+++ b/cesi/architecture_n_tiers/ressources/exercices/ex_microbloggr_solution/services/statuses/src/server.js
@@ -0,0 +1,73 @@
+const express = require('express');
+const app = express();
+const bodyParser = require('body-parser');
+const morgan = require('morgan');
+
+// Pour cette démo, les statuts sont uniquement conservés en
+// mémoire
+const statuses = {};
+
+app.use(morgan('combined'));
+
+// On utilise le module "body-parser"
+// pour faciliter la désérialisation des données
+// des appels à l'API
+app.use(bodyParser.json());
+
+// POST /statuses
+// Ajoute un nouveau statut pour l'utilisateur donné
+app.post('/statuses', (req, res) => {
+
+  const newStatus = req.body;
+
+  if(!newStatus.username || !newStatus.text) {
+    return res.status(200).send({
+      ok: false,
+      error: "Invalid status.",
+    });
+  }
+
+  if(newStatus.text.length > 200) {
+    return res.status(200).send({
+      ok: false,
+      error: "Status text too long.",
+    });
+  }
+
+  const userStatuses = statuses[newStatus.username] || [];
+  userStatuses.unshift({
+    text: newStatus.text,
+    createdAt: new Date(),
+  });
+  statuses[newStatus.username] = userStatuses;
+
+  return res.status(200).send({
+    ok: true,
+  });
+
+});
+
+// GET /statuses/:username
+// Retourne les status de l'utilisateur donné
+app.get('/statuses/:username', (req, res) => {
+
+  const username = req.params.username;
+
+  if(!username) {
+    return res.status(200).send({
+      ok: false,
+      error: "Invalid username.",
+    });
+  }
+
+  const userStatuses = statuses[username] || [];
+
+  return res.status(200).send({
+    ok: true,
+    statuses: userStatuses,
+  });
+
+});
+
+app.listen(8080, () => console.log('listening on port 8080'));
+