Update Dockerfile

Dockerfile

@@ -6,8 +6,7 @@ RUN git clone -b Rel-17 https://github.com/jdegre/5GC_APIs Rel-16
 RUN git clone -b Rel-17 https://github.com/jdegre/5GC_APIs Rel-15
 
 FROM nginx:latest as production-stage
-RUN rm -rf /etc/nginx/html
-COPY dist/index.html /etc/nginx/html/index.html
+COPY dist /etc/nginx/html
 COPY --from=build-stage /app/Rel-18 /etc/nginx/html/Rel-18
 COPY --from=build-stage /app/Rel-17 /etc/nginx/html/Rel-17
 COPY --from=build-stage /app/Rel-16 /etc/nginx/html/Rel-16
@@ -15,7 +14,7 @@ COPY --from=build-stage /app/Rel-15 /etc/nginx/html/Rel-15
 RUN ls /etc/nginx/html
 COPY conf/nginx.conf /etc/nginx/nginx.conf
 RUN chmod -R 777 /var/cache/nginx
-RUN nginx -V
+RUN nginx -t
 
 
 EXPOSE 8888