wordpress works now with :

+ volumes in mariadb container
+ db pswd in quotes
+ somes other settings

srcs/docker-compose.yml

@@ -16,6 +16,8 @@ services:
     ports:
       - "443:443"
 #      - "80:80"
+    volumes:
+      - wp_volume:/var/www/html
     build: ./requirements/nginx
     image: nginx
     container_name: nginx_container
@@ -28,14 +30,20 @@ services:
     env_file: .env
     networks:
       - inception
-#    volumes:
-#      - db_volume:/var/lib/mysql
+    volumes:
+      - db_volume:/var/lib/mysql
     build:
       context: ./requirements/mariadb
       args:
+        - DB_HOST=${DB_HOST}
         - DB_NAME=${DB_NAME}
         - DB_USER=${DB_USER}
         - DB_PSWD=${DB_PSWD}
+    healthcheck:
+      test: mariadb -h ${DB_HOST} -u ${DB_USER} -p"${DB_PSWD}" -e exit 2> /dev/null
+      interval: 1s
+      timeout: 10s
+      retries: 10
     image: mariadb
     container_name: mariadb_container
 # ---------------------------------
@@ -44,8 +52,8 @@ services:
     env_file: ./.env
     networks:
       - inception
-#    volumes:
-#      - wp_volume:/var/www/html
+    volumes:
+      - wp_volume:/var/www/html
     build:
       context: ./requirements/wordpress
       args:
@@ -54,7 +62,7 @@ services:
     container_name: wordpress_container
     depends_on:
       mariadb:
-        condition: service_started
+        condition: service_healthy
 
 # specify path to named volumes : https://docs.docker.com/compose/compose-file/compose-file-v3/#volume-configuration-reference
 volumes: