web ui - bug fixes

ui/Dockerfile

@@ -3,15 +3,19 @@ FROM alpine
 RUN apk add py3-pip apache2-utils bash && \
     pip3 install docker flask && \
     mkdir /opt/entrypoint && \
-    mkdir -p /opt/confs/site
+    mkdir -p /opt/confs/site && \
+    addgroup -g 101 nginx && \
+    adduser -h /var/cache/nginx -g nginx -s /sbin/nologin -G nginx -D -H -u 101 nginx && \
+    mkdir /etc/nginx && \
+    chown root:nginx /etc/nginx && \
+    chmod 770 /etc/nginx
+    
 
 COPY confs/site/ /opt/confs/site
 COPY entrypoint/* /opt/entrypoint/
 COPY ui/ /opt/entrypoint/
 RUN chmod +x /opt/entrypoint/*.py /opt/entrypoint/*.sh
 
-VOLUME /etc/nginx
-
 EXPOSE 5000
 
 WORKDIR /opt/entrypoint