replace ADD with COPY to follow best practices

Student User

2019-08-02 c2f929499e3eace093814a579a828ae99c7819f9

replace ADD with COPY to follow best practices

 todo-frontend/Dockerfile

@@ -11,13 +11,13 @@
  nginx nginx-mod-http-perl
RUN yum clean all

ADD nginx.conf /etc/nginx/
COPY nginx.conf /etc/nginx/

RUN touch /run/nginx.pid
RUN chgrp -R nginx /var/log/nginx /run/nginx.pid
RUN chmod -R g+rwx /var/log/nginx /run/nginx.pid
  
ADD src/ /usr/share/nginx/html
COPY src/ /usr/share/nginx/html

EXPOSE 8080