# Sources for this configuration:
# - https://woodpecker-ci.org/docs/administration/deployment/nixos
# - https://woodpecker-ci.org/docs/administration/proxy

{ config, pkgs, ... }:

{
  services.nginx = {
    enable = true;

    virtualHosts."acme-woodpecker.hamburg.ccc.de" = {
      default = true;
      enableACME = true;
      serverName = "woodpecker.hamburg.ccc.de";

      listen = [
        {
          addr = "0.0.0.0";
          port = 31820;
        }
      ];
    };

    virtualHosts."woodpecker.hamburg.ccc.de" = {
      default = true;
      forceSSL = true;
      useACMEHost = "woodpecker.hamburg.ccc.de";

      listen = [
        {
          addr = "0.0.0.0";
          port = 8443;
          ssl = true;
          proxyProtocol = true;
        }
      ];

      locations."/" = {
        proxyPass = "http://localhost${config.services.woodpecker-server.environment.WOODPECKER_SERVER_ADDR}";
      };

      extraConfig = ''
        # Make use of the ngx_http_realip_module to set the $remote_addr and
        # $remote_port to the client address and client port, when using proxy
        # protocol.
        # First set our proxy protocol proxy as trusted.
        set_real_ip_from 172.31.17.140;
        # Then tell the realip_module to get the addreses from the proxy protocol
        # header.
        real_ip_header proxy_protocol;
      '';
    };
  };

  networking.firewall.allowedTCPPorts = [ 8443 31820 ];
  networking.firewall.allowedUDPPorts = [ 8443 ];
}