5 files changed, 10 insertions, 2 deletions
diff --git a/nixos/modules/services/databases/influxdb.nix b/nixos/modules/services/databases/influxdb.nix
index dd5d69b1147a..3b8c00929ba9 100644
--- a/nixos/modules/services/databases/influxdb.nix
+++ b/nixos/modules/services/databases/influxdb.nix
@@ -185,6 +185,7 @@ in
     users.users = optionalAttrs (cfg.user == "influxdb") {
       influxdb = {
         uid = config.ids.uids.influxdb;
+        group = "influxdb";
         description = "Influxdb daemon user";
       };
     };
diff --git a/nixos/modules/services/databases/memcached.nix b/nixos/modules/services/databases/memcached.nix
index ca7b20eb049a..1c06937e2f30 100644
--- a/nixos/modules/services/databases/memcached.nix
+++ b/nixos/modules/services/databases/memcached.nix
@@ -67,7 +67,9 @@ in
     users.users = optionalAttrs (cfg.user == "memcached") {
       memcached.description = "Memcached server user";
       memcached.isSystemUser = true;
+      memcached.group = "memcached";
     };
+    users.groups = optionalAttrs (cfg.user == "memcached") { memcached = {}; };
 
     environment.systemPackages = [ memcached ];
 
diff --git a/nixos/modules/services/databases/mongodb.nix b/nixos/modules/services/databases/mongodb.nix
index db1e5fedf50d..5121e0415db1 100644
--- a/nixos/modules/services/databases/mongodb.nix
+++ b/nixos/modules/services/databases/mongodb.nix
@@ -123,9 +123,11 @@ in
 
     users.users.mongodb = mkIf (cfg.user == "mongodb")
       { name = "mongodb";
-        uid = config.ids.uids.mongodb;
+        isSystemUser = true;
+        group = "mongodb";
         description = "MongoDB server user";
       };
+    users.groups.mongodb = mkIf (cfg.user == "mongodb") {};
 
     environment.systemPackages = [ mongodb ];
 
diff --git a/nixos/modules/services/databases/neo4j.nix b/nixos/modules/services/databases/neo4j.nix
index 53760bb24c4a..2a30923538db 100644
--- a/nixos/modules/services/databases/neo4j.nix
+++ b/nixos/modules/services/databases/neo4j.nix
@@ -651,10 +651,12 @@ in {
       environment.systemPackages = [ cfg.package ];
 
       users.users.neo4j = {
-        uid = config.ids.uids.neo4j;
+        isSystemUser = true;
+        group = "neo4j";
         description = "Neo4j daemon user";
         home = cfg.directories.home;
       };
+      users.groups.neo4j = {};
     };
 
   meta = {
diff --git a/nixos/modules/services/databases/redis.nix b/nixos/modules/services/databases/redis.nix
index 8873f6d00e0b..1b9358c81a12 100644
--- a/nixos/modules/services/databases/redis.nix
+++ b/nixos/modules/services/databases/redis.nix
@@ -246,6 +246,7 @@ in {
 
     users.users.redis = {
       description = "Redis database user";
+      group = "redis";
       isSystemUser = true;
     };
     users.groups.redis = {};