secret doesn't work yet

srcs/docker-compose.yml

@@ -8,20 +8,16 @@
 version: "3.8"
 
 services:
-
 # ---------------------------------
   test:
-
     build:
       context: ./requirements/test
       dockerfile: Dockerfile
     image: test
     container_name: mytest
-
 # ---------------------------------
   nginx:
-
-#    restart: on-failure
+    #restart: on-failure
     ports:
       - "80:80"
       - "443:443"
@@ -29,18 +25,20 @@ services:
       context: ./requirements/nginx
       dockerfile: Dockerfile
     image: nginx
-   # image: nginx_debian
     container_name: mynginx
-   # container_name: mynginx_debian
-
 # ---------------------------------
   mariadb:
-#    restart: on-failure
+    #restart: on-failure
     build:
       context: ./requirements/mariadb
       dockerfile: Dockerfile
     image: mariadb
     container_name: mymariadb
+    #--secret id=mysecret,src=mysecret.txt
+    secrets:
+      - my_secret
 
-# ---------------------------------
+secrets:
+  my_secret:
+    file: ./secret.txt