diff --git a/flake.lock b/flake.lock
index 5dabf156..7b36f3c4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -153,16 +153,15 @@
         ]
       },
       "locked": {
-        "lastModified": 1678737103,
-        "narHash": "sha256-9rUxd1Rx0bEBZb95fCUHnqWQfLgbACoZv0pyOSXuT40=",
+        "lastModified": 1678787322,
+        "narHash": "sha256-aJhChYdaotatK8hK8l12bDelaQvjBuL8QXoStrNN8VM=",
         "owner": "chvp",
         "repo": "devshell",
-        "rev": "0168d9deca2cb7e24d58e5356b6dfe3896338d0e",
+        "rev": "ff366c0283ba7b4702fb7ac471a06a4c91aa9b02",
         "type": "github"
       },
       "original": {
         "owner": "chvp",
-        "ref": "background-services",
         "repo": "devshell",
         "type": "github"
       }
diff --git a/flake.nix b/flake.nix
index 782a0135..b268494a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -33,7 +33,7 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     devshell = {
-      url = "github:chvp/devshell/background-services";
+      url = "github:chvp/devshell";
       inputs = {
         flake-utils.follows = "flake-utils";
         nixpkgs.follows = "nixpkgs";
@@ -98,6 +98,7 @@
         input = nixpkgs;
         patches = builtins.map (patch: ./patches + "/${patch}") (builtins.filter (x: x != ".keep") (builtins.attrNames (builtins.readDir ./patches)));
         overlaysBuilder = _: [
+          agenix.overlays.default
           accentor.overlays.default
           devshell.overlays.default
           emacs-overlay.overlay
diff --git a/shells/dodona.nix b/shells/dodona.nix
index 5e3d1340..e12b03ff 100644
--- a/shells/dodona.nix
+++ b/shells/dodona.nix
@@ -30,15 +30,22 @@ pkgs.devshell.mkShell {
     yarn
   ];
   env = [
-    { name = "CC"; value = "cc"; }
-    { name = "CPP"; value = "cpp"; }
-    { name = "CXX"; value = "c++"; }
     { name = "DATABASE_URL"; value = "mysql2://root:dodona@127.0.0.1:3306/dodona"; }
     { name = "TEST_DATABASE_URL"; value = "mysql2://root:dodona@127.0.0.1:3306/dodona_test"; }
     { name = "GEM_HOME"; eval = "$PRJ_DATA_DIR/bundle/$(ruby -e 'puts RUBY_VERSION')"; }
     { name = "PATH"; prefix = "$GEM_HOME/bin"; }
   ];
   commands = [
+    {
+      name = "refresh-deps";
+      category = "general commands";
+      help = "Install dependencies";
+      command = ''
+        yarn install
+        bundle install
+        bundle pristine
+      '';
+    }
     {
       name = "memcached";
       category = "general commands";
diff --git a/shells/gamification2.nix b/shells/gamification2.nix
index e2de6295..06bfa0c5 100644
--- a/shells/gamification2.nix
+++ b/shells/gamification2.nix
@@ -1,24 +1,23 @@
 { pkgs, inputs }: pkgs.devshell.mkShell {
   name = "Gamification 2";
   imports = [ "${inputs.devshell}/extra/language/c.nix" ];
-  packages = with pkgs; [
-    (pkgs.lowPrio binutils)
-    findutils
-    cmake
-    gnumake
-    nodejs
-    postgresql_14
-    ruby_3_1
-    yarn
-  ];
   env = [
-    { name = "NIX_CC"; value = "${pkgs.gcc}"; }
-    { name = "PGDATA"; eval = "$PRJ_DATA_DIR/postgres"; }
     { name = "DATABASE_HOST"; eval = "$PGDATA"; }
     { name = "GEM_HOME"; eval = "$PRJ_DATA_DIR/bundle/$(ruby -e 'puts RUBY_VERSION')"; }
     { name = "PATH"; prefix = "$GEM_HOME/bin"; }
+    { name = "PGDATA"; eval = "$PRJ_DATA_DIR/postgres"; }
   ];
   commands = [
+    {
+      name = "refresh-deps";
+      category = "general commands";
+      help = "Install dependencies";
+      command = ''
+        yarn install
+        bundle install
+        bundle pristine
+      '';
+    }
     {
       name = "pg:setup";
       category = "database";
@@ -36,15 +35,7 @@
       help = "Start postgres instance";
       command = ''
         [ ! -d $PGDATA ] && pg:setup
-        pg_ctl -D $PGDATA -U postgres start -l log/postgres.log
-      '';
-    }
-    {
-      name = "pg:stop";
-      category = "database";
-      help = "Stop postgres instance";
-      command = ''
-        pg_ctl -D $PGDATA -U postgres stop
+        postgres
       '';
     }
     {
@@ -52,10 +43,24 @@
       category = "database";
       help = "Open database console";
       command = ''
-        psql --host $PGDATA -U postgres
+        psql --host $PGDATA s
       '';
     }
   ];
+  packages = with pkgs; [
+    (pkgs.lowPrio binutils)
+    findutils
+    cmake
+    gnumake
+    nodejs
+    postgresql_14
+    ruby_3_1
+    yarn
+  ];
+  serviceGroups.server.services = {
+    web.command = "rails s -p 3000";
+    postgres.command = "pg:start";
+  };
   language.c = {
     compiler = pkgs.gcc;
     includes = [ pkgs.zlib pkgs.openssl ];
diff --git a/shells/nixos-config.nix b/shells/nixos-config.nix
index 0e79eb51..71c0f072 100644
--- a/shells/nixos-config.nix
+++ b/shells/nixos-config.nix
@@ -1,10 +1,23 @@
 { pkgs, inputs }: pkgs.devshell.mkShell {
   name = "NixOS config";
+  commands = [
+    {
+      name = "format-all";
+      category = "general commands";
+      help = "Format all nix files in the project";
+      command = "find $PRJ_ROOT -type f -name '*.nix' -print0 | xargs -0 nixpkgs-fmt";
+    }
+    {
+      name = "fetchpatch";
+      category = "general commands";
+      help = "Fetch a patch from a nixpkgs PR by its ID";
+      command = "curl -L https://github.com/NixOS/nixpkgs/pull/$1.patch -o $PRJ_ROOT/patches/$1.patch";
+    }
+  ];
   packages = [
+    pkgs.agenix
     # Use nixos-rebuild from flake, since it might be patched
     pkgs.nixos-rebuild
     pkgs.nixpkgs-fmt
-    (pkgs.writeShellScriptBin "fetchpatch" "curl -L https://github.com/NixOS/nixpkgs/pull/$1.patch -o patches/$1.patch")
-    inputs.agenix.packages.${pkgs.system}.default
   ];
 }
diff --git a/shells/scriptingtalen-project.nix b/shells/scriptingtalen-project.nix
deleted file mode 100644
index 52467016..00000000
--- a/shells/scriptingtalen-project.nix
+++ /dev/null
@@ -1,4 +0,0 @@
-{ pkgs, ... }: pkgs.devshell.mkShell {
-  name = "Scriptingtalen project";
-  packages = with pkgs; [ (python3.withPackages (ps: with ps; [ beautifulsoup4 requests ])) ];
-}
diff --git a/shells/tab.nix b/shells/tab.nix
index 44aabe97..f42ea60e 100644
--- a/shells/tab.nix
+++ b/shells/tab.nix
@@ -1,6 +1,27 @@
 { pkgs, inputs }: pkgs.devshell.mkShell {
   name = "Tab";
   imports = [ "${inputs.devshell}/extra/language/c.nix" ];
+  commands = [
+    {
+      name = "refresh-deps";
+      category = "general commands";
+      help = "Install dependencies";
+      command = ''
+        yarn install
+        bundle install
+        bundle pristine
+      '';
+    }
+  ];
+  env = [
+    { name = "GEM_HOME"; eval = "$PRJ_DATA_DIR/bundle/$(ruby -e 'puts RUBY_VERSION')"; }
+    { name = "PATH"; prefix = "$GEM_HOME/bin"; }
+  ];
+  serviceGroups.server.services = {
+    web.command = "rails s -p 3000";
+    js.command = "yarn build:dev --watch";
+    css.command = "yarn build:css --watch";
+  };
   packages = with pkgs; [
     (pkgs.lowPrio binutils)
     findutils
@@ -9,29 +30,6 @@
     nodejs
     yarn
   ];
-  env = [
-    { name = "GEM_HOME"; eval = "$PRJ_DATA_DIR/bundle/$(ruby -e 'puts RUBY_VERSION')"; }
-    { name = "PATH"; prefix = "$GEM_HOME/bin"; }
-  ];
-  commands = [
-    {
-      name = "server-support";
-      category = "general commands";
-      help = "Run everything required for a server";
-      command = ''
-        bundle install
-      '';
-    }
-    {
-      name = "server";
-      category = "general commands";
-      help = "Run everything";
-      command = ''
-        server-support
-        rails s
-      '';
-    }
-  ];
   language.c = {
     compiler = pkgs.gcc;
     includes = [ pkgs.sqlite pkgs.libmysqlclient pkgs.zlib ];
diff --git a/shells/tap.nix b/shells/tap.nix
index 6956d597..b1852c1c 100644
--- a/shells/tap.nix
+++ b/shells/tap.nix
@@ -1,6 +1,22 @@
 { pkgs, inputs }: pkgs.devshell.mkShell {
   name = "Tap";
   imports = [ "${inputs.devshell}/extra/language/c.nix" ];
+  commands = [
+    {
+      name = "refresh-deps";
+      category = "general commands";
+      help = "Install dependencies";
+      command = ''
+        yarn install
+        bundle install
+        bundle pristine
+      '';
+    }
+  ];
+  env = [
+    { name = "GEM_HOME"; eval = "$PRJ_DATA_DIR/bundle/$(ruby -e 'puts RUBY_VERSION')"; }
+    { name = "PATH"; prefix = "$GEM_HOME/bin"; }
+  ];
   packages = with pkgs; [
     (pkgs.lowPrio binutils)
     imagemagick
@@ -11,32 +27,10 @@
     nodejs
     yarn
   ];
-  env = [
-    { name = "CC"; value = "cc"; }
-    { name = "CPP"; value = "cpp"; }
-    { name = "CXX"; value = "c++"; }
-    { name = "GEM_HOME"; eval = "$PRJ_DATA_DIR/bundle/$(ruby -e 'puts RUBY_VERSION')"; }
-    { name = "PATH"; prefix = "$GEM_HOME/bin"; }
-  ];
-  commands = [
-    {
-      name = "server-support";
-      category = "general commands";
-      help = "Run everything required for a server";
-      command = ''
-        bundle install
-      '';
-    }
-    {
-      name = "server";
-      category = "general commands";
-      help = "Run everything";
-      command = ''
-        server-support
-        rails s
-      '';
-    }
-  ];
+  serviceGroups.server.services.rails = {
+    name = "server";
+    command = "rails s -p 3000";
+  };
   language.c = {
     compiler = pkgs.gcc;
     includes = [ pkgs.sqlite pkgs.libmysqlclient pkgs.zlib ];