Fix path in drone runner exec

modules/ci-runner/default.nix

@@ -20,7 +20,11 @@ in
         Restart = "always";
       };
 
-      path = "${pkgs.git}/bin:${pkgs.nix}/bin:${pkgs.libvirt}/bin";
+      path = [
+        pkgs.git
+        pkgs.nix
+        pkgs.libvirt
+      ];
 
       wantedBy = [ "multi-user.target" ];
       after = [ "network.target" "libvirtd.service" ];

pkgs/drone-docker-runner.nix

@@ -6,7 +6,7 @@ self: with self; ''
         --env=DRONE_RPC_PROTO=$DRONE_RPC_PROTO \
         --env=DRONE_RPC_HOST=$DRONE_RPC_HOST \
         --env=DRONE_RPC_SECRET=$(${self.libsecret}/bin/secret-tool lookup drone rpc-secret) \
-        --env=DRONE_RUNNER_CAPACITY=4 \
+        --env=DRONE_RUNNER_CAPACITY=8 \
         --env=DRONE_RUNNER_NAME=$(${self.inetutils}/bin/hostname) \
         --publish=3000:3000 \
         --restart=always \