Added wait-for-it.sh script

Dockerfile

@@ -1,13 +1,18 @@
-FROM traefik:v2.9.5
+FROM traefik:2.9.5
+
+ARG BUILD_TIME
 
 LABEL dev.egommerce.image.author="Piotr Biernat"
 LABEL dev.egommerce.image.vendor="Egommerce"
 LABEL dev.egommerce.image.service="api-gateway"
 LABEL dev.egommerce.image.version="1.0"
+LABEL dev.egommerce.image.build_time=${BUILD_TIME}
 
 COPY ./api-gateway/etc /etc/traefik
 COPY ./api-gateway/plugins /plugins-local
+COPY ./api-gateway/entrypoint.sh ./api-gateway/wait-for-it.sh /
+
+ENTRYPOINT ["/entrypoint.sh"]
+CMD ["traefik"]
 
 EXPOSE 443 8080
-
-# ENTRYPOINT ["/traefik"] # FIXME stack->stack config.yml