{ config, pkgs, ... }:
{
  users.extraUsers.git = { home = config.services.gogs.stateDir; extraGroups = [ "git" ]; };
  users.extraGroups.git = { };

  services.gogs = rec {
    enable = true;
    stateDir = "/srv/git.gebner.org";
    user = "git";
    group = "git";
    appName = "Gabriel Ebner's git server";
    domain = "git.gebner.org";
    rootUrl = "https://git.gebner.org/";
    httpPort = 8001;
    cookieSecure = true;
    extraConfig = ''
      [picture]
      DISABLE_GRAVATAR = false
      AVATAR_UPLOAD_PATH = ${stateDir}/data/avatars

      [log]
      ROOT_PATH = ${stateDir}/logs
      MODE = file
      LEVEL = Info

      [service]
      DISABLE_REGISTRATION = true
    '';
  };

  services.nginx.httpConfig = ''
    server {
      listen [::]:80;
      listen 80;
      server_name git.gebner.org;

      location /.well-known/acme-challenge {
        default_type text/plain;
        alias /var/lib/acme/www/.well-known/acme-challenge;
      }

      location / {
        rewrite ^(.*) https://$host$1 permanent;
      }
    }

    server {
      listen [::]:443;
      listen 443;
      server_name git.gebner.org;

      ssl on;
      ssl_certificate_key /var/lib/acme/gebner.org/key.pem;
      ssl_certificate /var/lib/acme/gebner.org/fullchain.pem;
      ssl_dhparam /etc/nginx/dhparam.pem;
      ssl_protocols TLSv1.1 TLSv1.2;
      ssl_ciphers 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!3DES:!MD5:!PSK';
      ssl_prefer_server_ciphers on;
      add_header Strict-Transport-Security max-age=15768000;
      ssl_stapling on;
      ssl_stapling_verify on;

      location / {
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-Host $host;
        proxy_set_header X-Forwarded-Server $host;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_redirect off;
        proxy_buffering off;
        proxy_pass http://gogs;
        client_max_body_size 30M;
        break;
      }
    }

    upstream gogs {
      server 127.0.0.1:${toString config.services.gogs.httpPort};
    }
  '';
}