fail to create volumes

+ again changes in makefile, to be abble to erase volumes only

README.md

@@ -60,10 +60,9 @@
 - or `sudo docker-compose -f ./path up` to specify a path
 
 ---
-## ressources
+## docker-compose :
 
-- [download alpine linux](https://alpinelinux.org/downloads/)
-- [dockerhub alpine image](https://hub.docker.com/_/alpine)
+- [docker compose volumes](https://docs.docker.com/compose/compose-file/#volumes)
 
 #### docker :
 - [docker starter guide](https://docs.docker.com/get-started/)
@@ -84,6 +83,7 @@
 - [docker network](https://docs.docker.com/network/)
 - [depends_on](https://docs.docker.com/compose/compose-file/#depends_on)
 - [compose and env var](https://docs.docker.com/compose/environment-variables/)
+- [specify path to named volumes](https://docs.docker.com/compose/compose-file/#volumes-top-level-element)
 
 	###### docker pid 1
 	- nginx by default will create some child process (a master and some workers), then it quits (doc ?)
@@ -205,7 +205,6 @@
 		DROP DATABASE <name>;
 		```
 
-
 #### wordpress
 - [install wp](https://wordpress.org/support/article/how-to-install-wordpress/#detailed-instructions)