diff --git a/README.md b/README.md
index ac55e0c..138d791 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,18 @@
 # Transcendence
-Pog
+
+Exemple d'../.env fonctionnel:
+
+POSTGRES_PASSWORD=coucou
+POSTGRES_DB=database
+POSTGRES_HOST=database
+POSTGRES_USER=user
+
+
+Gestion de friendship dans POSTGRESQL:
+'pending' → demande envoyée
+'accepted' → amis
+'blocked' → bloqué
+'rejected' → refusé
+
+Ressource:
+    https://www.postgresql.org/docs/
\ No newline at end of file
diff --git a/srcs/backend/index.js b/srcs/backend/index.js
index 66b39bd..4d3fa6b 100644
--- a/srcs/backend/index.js
+++ b/srcs/backend/index.js
@@ -47,6 +47,17 @@ async function createTables()
 				content TEXT,
 				created_at TIMESTAMP DEFAULT NOW()
 			);
+
+			CREATE TABLE IF NOT EXISTS friendship (
+				id_user1 INT NOT NULL,
+				id_user2 INT NOT NULL,
+				status VARCHAR(20) NOT NULL,
+				created_at TIMESTAMP DEFAULT NOW(),
+				CHECK (id_user1 < id_user2),
+				PRIMARY KEY (id_user1, id_user2),
+				FOREIGN KEY (id_user1) REFERENCES users(id) ON DELETE CASCADE,
+				FOREIGN KEY (id_user2) REFERENCES users(id) ON DELETE CASCADE
+			);
 		`);
 		console.log('Tables created!');
 	}