init

modules/containers/default.nix

@@ -0,0 +1,17 @@
+{...}: {
+  imports = [
+    ./nginx.nix
+    ./forgejo.nix
+  ];
+
+  config = {
+    networking.nat = {
+      enable = true;
+      # Use "ve-*" when using nftables instead of iptables
+      internalInterfaces = ["ve-+"];
+      externalInterface = "eno1";
+      # Lazy IPv6 connectivity for the container
+      enableIPv6 = true;
+    };
+  };
+}

modules/containers/forgejo.nix

@@ -0,0 +1,153 @@
+{
+  inputs,
+  outputs,
+  lib,
+  config,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkEnableOption mkIf;
+  cfg = config.horseman.containers.forgejo;
+  username = config.horseman.username;
+
+  HTTP_PORT = 3000;
+  SSH_PORT = 34916;
+  INSTANCE_URL = "http://local.git.server:3000";
+  SECRET = "7c31591e8b67225a116d4a4519ea8e507e08f71f"; # TODO REMOVE
+  DATA_DIR    = "/home/${username}/backups/volumes/forgejo";
+  BACKUP_FILE = "/home/${username}/backups/forgejo.tar";
+
+in {
+  options = {
+    horseman.containers.forgejo = {
+      enable = mkEnableOption "forgejo containers";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    networking.extraHosts = "192.168.100.3 local.git.server";
+
+    
+    systemd.timers."backup-forgejo" = {
+      wantedBy = ["timers.target"];
+      timerConfig = {
+        OnCalendar = "daily";
+        Persistent = true;
+      };
+    };
+
+    environment.systemPackages = [ pkgs.gnutar ];
+    systemd.services."backup-forgejo" = {
+      script = ''
+        ${pkgs.gnutar} -cf ${BACKUP_FILE} ${DATA_DIR}
+      '';
+      serviceConfig = {
+        User = "root";
+      };
+    };
+
+    containers.forgejoRunner = {
+      autoStart = true;
+      privateNetwork = true;
+      hostAddress = "172.16.0.2";
+      localAddress = "192.168.100.2";
+
+      config = {
+        config,
+        pkgs,
+        ...
+      }: let
+        configFile = pkgs.writeText "runner.yml" ''
+          runner:
+            labels:
+              - "self-hosted:host"
+        '';
+      in {
+        environment.systemPackages = with pkgs; [
+          forgejo-runner
+        ];
+
+        users.groups.runner = {};
+        users.users.runner = {
+          isNormalUser = true;
+          group = "runner";
+        };
+
+        systemd.services.startup = {
+          script = ''
+            cd ${config.users.users.runner.home}
+            ${pkgs.forgejo-runner}/bin/forgejo-runner create-runner-file --instance http://192.168.100.3:3000 --secret ${SECRET} --name runner
+            sleep 10
+            ${pkgs.forgejo-runner}/bin/forgejo-runner daemon --config ${configFile}
+          '';
+          serviceConfig.User = "runner";
+          wantedBy = ["multi-user.target"];
+        };
+
+        system.stateVersion = "23.11";
+      };
+    };
+
+    containers.forgejo = {
+      autoStart = true;
+      privateNetwork = true;
+      hostAddress = "172.16.0.3";
+      localAddress = "192.168.100.3";
+
+      bindMounts = {
+        "/var/lib/forgejo" = {
+          hostPath = DATA_DIR;
+          isReadOnly = false;
+        };
+      };
+
+      config = {
+        config,
+        pkgs,
+        ...
+      }: {
+        environment.systemPackages = [pkgs.forgejo];
+        services.forgejo = {
+          enable = true;
+
+          stateDir = "/var/lib/forgejo";
+
+          settings = {
+            server = {
+              HTTP_PORT = HTTP_PORT;
+              SSH_PORT = SSH_PORT;
+              ROOT_URL = INSTANCE_URL;
+            };
+            session = {
+              COOKIE_SECURE = false; # TODO Set to true
+            };
+            service = {
+              DISABLE_REGISTRATION = true;
+            };
+          };
+        };
+
+        systemd.services.startup = {
+          script = ''
+            cd ${config.users.users.forgejo.home}
+            ${pkgs.forgejo}/bin/forgejo forgejo-cli actions register --name runner --secret ${SECRET} --config ${config.services.forgejo.stateDir}/custom/conf/app.ini
+          '';
+          serviceConfig.User = "forgejo";
+          wantedBy = ["multi-user.target"];
+        };
+
+        networking = {
+          firewall = {
+            enable = true;
+            allowedTCPPorts = [HTTP_PORT SSH_PORT];
+          };
+          # Use systemd-resolved inside the container
+          # Workaround for bug https://github.com/NixOS/nixpkgs/issues/162686
+          useHostResolvConf = lib.mkForce false;
+        };
+
+        system.stateVersion = "23.11";
+      };
+    };
+  };
+}

modules/containers/nginx.nix

@@ -0,0 +1,70 @@
+{
+  inputs,
+  outputs,
+  lib,
+  config,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkEnableOption mkIf mkOption types;
+  cfg = config.horseman.containers.nginx;
+in {
+  options = {
+    horseman.containers.nginx = {
+      enable = mkEnableOption "nginx container";
+    };
+  };
+
+  config = mkIf cfg.enable {
+    networking.extraHosts = "192.168.100.1 koendev.nl *.koendev.nl";
+
+    containers.nginx = {
+      autoStart = true;
+      privateNetwork = true;
+      hostAddress = "172.16.0.1";
+      localAddress = "192.168.100.1";
+
+      bindMounts = {
+        "/var/www/portfolio" = {
+          hostPath = "/home/horseman/Programming/portfolio/_site";
+          isReadOnly = true;
+        };
+      };
+
+      config = {
+        config,
+        pkgs,
+        lib,
+        ...
+      }: {
+        services.nginx = {
+          enable = true;
+
+          virtualHosts = {
+            "koendev.nl" = {
+              # addSSL = false;
+              # enableACME = false;
+              root = "/var/www/portfolio";
+            };
+
+            "vault.koendev.nl" = {
+              locations."/" = {
+                proxyPass = "http://172.16.0.2";
+              };
+            };
+          };
+        };
+
+        networking = {
+          firewall = {
+            enable = true;
+            allowedTCPPorts = [80];
+          };
+          useHostResolvConf = lib.mkForce false;
+        };
+        services.resolved.enable = true;
+        system.stateVersion = "23.11";
+      };
+    };
+  };
+}

modules/default.nix

@@ -12,6 +12,7 @@ in {
     ./base
     ./boot
     ./catppuccin
+    ./containers
     ./hardware
     ./network
     ./timers