build(docker): use Tailwind CLI for generating CSS

docker-compose.yaml

@@ -1,10 +1,3 @@
-version: '2.4'
-
-volumes:
-  assets:
-  mysql_data:
-  node_modules:
-
 services:
   nginx:
     build:
@@ -12,7 +5,6 @@ services:
       target: nginx
     volumes:
       - assets:/app/web/themes/custom/opdavies/build
-      - node_modules:/app/web/themes/custom/opdavies/node_modules
       - ./:/app
     depends_on:
       php:
@@ -46,3 +38,7 @@ services:
       test: ["CMD-SHELL", "bash", "-c", "echo > /dev/tcp/localhost/3306"]
       interval: 1s
     restart: unless-stopped
+
+volumes:
+  assets:
+  mysql_data: