fix dockerfile codefactor issues

Author: jsun1590

docker/docs/Dockerfile

@@ -1,14 +1,14 @@
-FROM --platform=linux/amd64 python:3.10.5
+FROM python:3.10.5
 
 # SET WORKING DIRECTORY
 WORKDIR /app_code
 
 # Update pip
-RUN pip install --upgrade pip
+RUN pip install --upgrade --no-cache-dir pip
 
 # Copy application code into a directory called 'app_code'
 # This copy includes pyproject.toml and poetry.lock
 COPY ./documentation /app_code
 
 # Installing requirements
-RUN pip install -r /app_code/requirements.txt
+RUN pip install --no-cache-dir -r /app_code/requirements.txt