add: container name, depend_on, env_file, maria db

srcs/docker-compose.yml

@@ -1,17 +1,35 @@
 services:
   nginx:
+    container_name: nginx
     image: nginx
     build: nginx
     ports:
       - "443:443"
     volumes:
       - wordpress:/var/www/wordpress
+    depends_on:
+      - wordpress
 
   wordpress:
+    container_name: wordpress
     image: wordpress
     build: wordpress
     volumes:
       - wordpress:/var/www/wordpress
+    depends_on:
+      - mariadb
+    env_file:
+      - .env
+
+  mariadb:
+    container_name: mariadb
+    image: mariadb
+    build: mariadb
+    volumes:
+      - mariadb:/data
+    env_file:
+      - .env
 
 volumes:
   wordpress:
+  mariadb: