update of hello-world-nginx image for UBI

hello-world-nginx/Dockerfile

@@ -0,0 +1,19 @@
+FROM registry.access.redhat.com/ubi8:8.0
+
+RUN yum install -y --disableplugin=subscription-manager --nodocs nginx \
+  && yum clean all
+
+ADD index.html /usr/share/nginx/html
+
+ADD nginxconf.sed /tmp/
+RUN sed -i -f /tmp/nginxconf.sed /etc/nginx/nginx.conf
+
+RUN touch /run/nginx.pid \
+  && chgrp -R 0 /var/log/nginx /run/nginx.pid \
+  && chmod -R g+rwx /var/log/nginx /run/nginx.pid
+  
+EXPOSE 8080
+USER 1001
+
+CMD nginx -g "daemon off;"
+