Docker connection refused between two containers

[ovelindstrom (Ove "Lime" Lindström)]

You never ever use ip-numbers when working with docker containers.

If you change the 0.0.0.0 in the nginx config to the name of the container (n1 or n2) it will work. Docker has an internal DNS that uses the container name as host.

Look at a previous reply I did a couple of days ago on a similar topic.

Nginx:alpine image is running in docker container and it is using for 8081 port. Why is it showing localhost didn’t send any data error message?

All Nginx configuration files are stored under /etc/nginx. I use this Dockerfile for “static” images such as our proxies: FROM nginx:latest ARG working_env ADD nginx.conf /etc/nginx/nginx.conf ADD $working_env/conf.d /etc/nginx/conf.d # Testing all configuration files RUN nginx -t -c /etc/nginx/nginx.conf EXPOSE 80 443 CMD ["nginx", "-c", "/etc/nginx/nginx.conf", "-g", "daemon off;"] And then I use the -p :80 when I start the container. To do the same with docker-compose I use the somethi…