I've recently made nixos-container port forwarding easier (both imperative and declarative) and it's now merged into master.
https://github.com/NixOS/nixpkgs/pull/20869 Hope that this helps. Ian On Sun, Mar 12, 2017 at 7:52 PM, Michael Walker <m...@barrucadu.co.uk> wrote: > Tomasz, > > I have declarative container networking set up and working on a VPS, > but I wrote most of the configuration as I was learning things, so it > may not be the best way. > > Here's the configuration.nix for the VPS: > https://github.com/barrucadu/nixfiles/blob/master/hosts/innsmouth.nix > Each container has a config file here: > https://github.com/barrucadu/nixfiles/tree/master/containers > > Containers have ports forwarded to them via NAT; each container is > running a web server on port 80 with the host reverse-proxying via > nginx; the host also does https and letsencrypt for all the proxied > containers. > > At the top of the innsmouth.nix file, I have a "containerSpecs" record > which has all the details for each container. The relevant bits of the > config are: > > 1. Set up the networking and NAT: > > networking.nat.enable = true; > networking.nat.internalInterfaces = ["ve-+"]; > networking.nat.externalInterface = "enp0s4"; > > 2. Forward ports to containers: > > networking.nat.forwardPorts = concatMap > ( {num, ports, ...}: > map (p: { sourcePort = p; destination = > "192.168.255.${toString num}:${toString p}"; }) ports > ) containerSpecs'; > > 3. Define all the containers: > > containers = mapAttrs > (_: {num, config, ...}: > { autoStart = true > ; privateNetwork = true > ; hostAddress = "192.168.254.${toString num}" > ; localAddress = "192.168.255.${toString num}" > ; config = config > ; } > ) containerSpecs; > > 4. Reverse-proxy HTTPS to HTTP in each container, manage letsencrypt > certificates, and forward HTTP to HTTPS. > > This is a little complex as I have a fairly custom nginx config (see > the services/nginx.nix file in the repository), but the > reverse-proxying is fairly straightfoward. Here is the generated > nginx.conf: https://misc.barrucadu.co.uk/nginx.txt > > On 13 March 2017 at 02:12, Tomasz Czyż <tomasz.c...@gmail.com> wrote: >> Hey, >> >> could anyone using nixos-container (declarative style) share how you setup >> networking? >> >> I'm trying to setup few containers with private network and http proxy at >> the front. Each container potentially could run application on port 80 and I >> would like to expose them through proxy. >> >> I tried to set this up with >> >> privateNetwork=true; >> hostAddress >> localAddress >> >> and I tried to also run nat on the host with (just to enable outbound >> traffic) >> internalInterfaces = ["ve-+"]; >> externalInterfaces = "eth0"; >> >> but no luck. >> My next try will be creating bridge on the host and add containers to that >> bridge. Is that how you do stuff or are better ways of doing container >> networking? >> >> Tom >> >> _______________________________________________ >> nix-dev mailing list >> nix-dev@lists.science.uu.nl >> http://lists.science.uu.nl/mailman/listinfo/nix-dev >> > > > > -- > Michael Walker (http://www.barrucadu.co.uk) > _______________________________________________ > nix-dev mailing list > nix-dev@lists.science.uu.nl > http://lists.science.uu.nl/mailman/listinfo/nix-dev _______________________________________________ nix-dev mailing list nix-dev@lists.science.uu.nl http://lists.science.uu.nl/mailman/listinfo/nix-dev