Update Dockerfile

Dockerfile

@@ -14,6 +14,8 @@ RUN chown -R pn:pn /var/cache/nginx \
                        /var/lib/nginx \
                        /var/run/nginx.pid
 
+RUN pip install mlagents
+
 USER pn
 ENV HOME=/home/pn \
     PATH=/home/pn/.local/bin:$PATH
@@ -31,6 +33,5 @@ COPY --chown=pn . .
 RUN python -m pip install --upgrade pip
 RUN pip install numpy
 RUN pip install --upgrade pip setuptools wheel
-RUN pip show mlagents
 
 CMD ["bash", "run.sh"]