diff --git a/Caddyfile b/Caddyfile
new file mode 100644
index 0000000..8367583
--- /dev/null
+++ b/Caddyfile
@@ -0,0 +1,13 @@
+# Caddyfile
+
+wekan.localhost {
+    reverse_proxy wekan:8080
+}
+
+chat.localhost {
+    reverse_proxy rocketchat:3000
+}
+
+flask.localhost {
+    reverse_proxy flask:5000
+}
diff --git a/docker-compose.yml b/docker-compose.yml
new file mode 100644
index 0000000..291ef0c
--- /dev/null
+++ b/docker-compose.yml
@@ -0,0 +1,70 @@
+services:
+  caddy:
+    image: caddy:latest
+    ports:
+      - "80:80"
+      - "443:443"
+    volumes:
+      - ./Caddyfile:/etc/caddy/Caddyfile
+      - caddy_data:/data
+      - caddy_config:/config
+    depends_on:
+      - flask
+      - wekan
+      - rocketchat
+
+  flask:
+    build: ./flask-app
+    environment:
+      - DB_HOST=mariadb
+      - DB_USER=flaskuser
+      - DB_PASSWORD=flaskpass
+      - DB_NAME=flaskdb
+    depends_on:
+      - mariadb
+    volumes:
+      - ./flask-app:/app
+
+  mariadb:
+    image: mariadb:latest
+    environment:
+      - MYSQL_ROOT_PASSWORD=rootpass
+      - MYSQL_DATABASE=flaskdb
+      - MYSQL_USER=flaskuser
+      - MYSQL_PASSWORD=flaskpass
+    volumes:
+      - mariadb_data:/var/lib/mysql
+
+  wekan:
+    image: wekanteam/wekan
+    environment:
+      - MONGO_URL=mongodb://mongo:27017/wekan
+      - ROOT_URL=https://wekan.localhost
+    depends_on:
+      - mongo
+
+  mongo:
+    image: mongo:latest
+    volumes:
+      - mongo_data:/data/db
+
+  rocketchat:
+    image: rocketchat/rocket.chat:latest
+    environment:
+      - MONGO_URL=mongodb://mongo:27017/rocketchat
+      - ROOT_URL=https://chat.localhost
+      - PORT=3000
+    ports:
+      - "3000:3000"
+    depends_on:
+      - mongo
+      - redis
+
+  redis:
+    image: redis:latest
+
+volumes:
+  caddy_data:
+  caddy_config:
+  mariadb_data:
+  mongo_data:
diff --git a/flask-app/Dockerfile b/flask-app/Dockerfile
new file mode 100644
index 0000000..0b5c45c
--- /dev/null
+++ b/flask-app/Dockerfile
@@ -0,0 +1,8 @@
+FROM python:3.11
+
+WORKDIR /app
+COPY . /app
+
+RUN pip install flask flask_sqlalchemy pymysql
+
+CMD ["python", "app.py"]
diff --git a/flask-app/app.py b/flask-app/app.py
new file mode 100644
index 0000000..d4e71a7
--- /dev/null
+++ b/flask-app/app.py
@@ -0,0 +1,16 @@
+# flask-app/app.py
+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+
+app = Flask(__name__)
+app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql+pymysql://flaskuser:flaskpass@mariadb/flaskdb'
+app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
+
+db = SQLAlchemy(app)
+
+@app.route('/')
+def index():
+    return 'Bienvenue sur l’intranet !'
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0')
diff --git a/start-gesthub.sh b/start-gesthub.sh
new file mode 100755
index 0000000..ad28472
--- /dev/null
+++ b/start-gesthub.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+PROJECT_DOMAIN="gesthub"
+HOSTS_LINE="127.0.0.1 flask.$PROJECT_DOMAIN wekan.$PROJECT_DOMAIN chat.$PROJECT_DOMAIN"
+
+echo "🔧 Vérification des droits (sudo peut être requis pour modifier /etc/hosts)..."
+
+# Ajout dans /etc/hosts si absent
+if ! grep -q "$PROJECT_DOMAIN" /etc/hosts; then
+  echo "✅ Ajout de $PROJECT_DOMAIN dans /etc/hosts..."
+  echo "$HOSTS_LINE" | sudo tee -a /etc/hosts > /dev/null
+else
+  echo "✔️ Domaine $PROJECT_DOMAIN déjà présent dans /etc/hosts."
+fi
+
+echo "🚀 Lancement des services Docker..."
+docker compose up --build
diff --git a/start-infra.sh b/start-infra.sh
new file mode 100755
index 0000000..ad28472
--- /dev/null
+++ b/start-infra.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+PROJECT_DOMAIN="gesthub"
+HOSTS_LINE="127.0.0.1 flask.$PROJECT_DOMAIN wekan.$PROJECT_DOMAIN chat.$PROJECT_DOMAIN"
+
+echo "🔧 Vérification des droits (sudo peut être requis pour modifier /etc/hosts)..."
+
+# Ajout dans /etc/hosts si absent
+if ! grep -q "$PROJECT_DOMAIN" /etc/hosts; then
+  echo "✅ Ajout de $PROJECT_DOMAIN dans /etc/hosts..."
+  echo "$HOSTS_LINE" | sudo tee -a /etc/hosts > /dev/null
+else
+  echo "✔️ Domaine $PROJECT_DOMAIN déjà présent dans /etc/hosts."
+fi
+
+echo "🚀 Lancement des services Docker..."
+docker compose up --build