Update DockerFile

DockerFile

@@ -9,6 +9,6 @@ COPY pyproject.toml .
 COPY README.md .
 
 RUN pip install poetry==1.1.8 poetry-core==1.0.4 urllib3==1.26.6
-RUN poetry config virtualenvs.create false && poetry install
+RUN poetry config virtualenvs.create false && poetry build && poetry install
 
 CMD python main.py