Use commonly used current dir mount pattern for consistency

Author: julianladisch

docker-compose.yaml

@@ -6,7 +6,7 @@ services:
     image: hugomods/hugo:std-exts
     command: server -D
     volumes:
-      - ./:/src
-      - ~/hugo_cache:/tmp/hugo_cache
+      - .:/src
+      - ./hugo_cache:/tmp/hugo_cache
     ports:
       - 1313:1313