diff --git a/Dockerfile b/Dockerfile
index 9f134aa..417dbd2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,10 @@
 FROM python:3.9
 
 WORKDIR /app
-COPY . /app/
 
+COPY Pipfile Pipfile.lock /app/
 RUN pip install --upgrade pip && pip install pipenv
 RUN pipenv install
+
+COPY . /app/
 ENTRYPOINT ["pipenv", "run", "start"]
diff --git a/README.md b/README.md
index 6a2a349..6fa4997 100644
--- a/README.md
+++ b/README.md
@@ -53,8 +53,3 @@ Bug reports and pull requests are welcome on GitHub at [https://github.com/rits-
 
 - [Swagger UI](https://dajare.abelab.dev/docs)
 - [ダジャレステーション](https://dajare.jp/) - used dajare data as teacher in this project.
-
-## Author
-
-- [Averak](https://github.com/averak)
-- `abe12<at>mccc.jp`