Update Dockerfile

Dockerfile

@@ -1,6 +1,6 @@
 FROM python:3.9-slim
 RUN pip install --no-cache-dir --upgrade pip
-RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+RUN pip install --no-cache-dir --upgrade -r /code/requirement.txt
 
 RUN apt-get update && apt-get install -y \
     libgl1-mesa-glx \
@@ -9,6 +9,6 @@ RUN apt-get update && apt-get install -y \
     
 WORKDIR /code
 COPY ./requirements.txt /code/requirements.txt
-RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt
+RUN pip install --no-cache-dir --upgrade -r /code/requirement.txt
 COPY . /code
 CMD ["python", "app.py"]