store path to docker exec and correct key in gitea runner conf

use correct docker version

hosts/sin/transmission.nix

@@ -1,4 +1,4 @@
-{ config, ... }:
+{ config, pkgs, lib, ... }:
 {
 
   users.users."starr" = {
@@ -27,7 +27,7 @@
         "docker-transmission.service"
       ];
       serviceConfig = {
-        ExecStart = "docker network create docker-transmission";
+        ExecStart = "${lib.getExe pkgs.docker} network create docker-transmission";
       };
     };
   };
@@ -40,7 +40,7 @@
       backend = "docker";
       containers = {
         gluetun = {
-          image = "qmcgaw/gluetun";
+          image = "qmcgasw/gluetun";
           environment = {
             VPN_SERVICE_PROVIDER = "airvpn";
             VPN_TYPE = "wireguard";