Improvement in Dockerfile

the nginx.repo file is copied in the container only if it is necessary

docker/Dockerfile

@@ -17,7 +17,6 @@ RUN yum update -y && \
     yum clean all && rm -rf /var/cache/yum
 
 COPY artifacts/*.rpm /pkgs/
-COPY nginx.repo /etc/yum.repos.d/nginx.repo
 
 # install nginx httpg + voms and njs dynamic modules
 RUN rpm -ivh /pkgs/nginx-httpg-1.22.1-1.el7.ngx.x86_64.rpm && \
@@ -25,6 +24,7 @@ RUN rpm -ivh /pkgs/nginx-httpg-1.22.1-1.el7.ngx.x86_64.rpm && \
     yum install -y nginx-module-njs
 
 # install nginx + voms and njs dynamic modules
+# COPY nginx.repo /etc/yum.repos.d/nginx.repo
 # RUN yum -y install nginx nginx-module-njs && \
 #     rpm -ivh /pkgs/nginx-module-http-voms-1.22.1-1.el7.x86_64.rpm