From 08ac06edbaaeccb4677adca396c30a8f88cb9c92 Mon Sep 17 00:00:00 2001
From: Atemu <atemu.main@gmail.com>
Date: Fri, 14 Feb 2020 23:57:31 +0100
Subject: [PATCH] docker-containers: Add autoStart option (#76480)

This option allows the user to control whether or not the docker container is
automatically started on boot. The previous default behavior (true) is preserved
---
 nixos/modules/virtualisation/docker-containers.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/virtualisation/docker-containers.nix b/nixos/modules/virtualisation/docker-containers.nix
index 216ba2c733f..cae39a56f52 100644
--- a/nixos/modules/virtualisation/docker-containers.nix
+++ b/nixos/modules/virtualisation/docker-containers.nix
@@ -192,13 +192,22 @@ let
             ["--network=host"]
           '';
         };
+
+        autoStart = mkOption {
+          type = types.bool;
+          default = true;
+          description = ''
+            When enabled, the container is automatically started on boot.
+            If this option is set to false, the container has to be started on-demand via its service.
+          '';
+        };
       };
     };
 
   mkService = name: container: let
     mkAfter = map (x: "docker-${x}.service") container.dependsOn;
   in rec {
-    wantedBy = [ "multi-user.target" ];
+    wantedBy = [] ++ optional (container.autoStart) "multi-user.target";
     after = [ "docker.service" "docker.socket" ] ++ mkAfter;
     requires = after;