chore(treewide): Apply copyright notices

67 files changed, 612 insertions, 7 deletions

diff --git a/.envrc b/.envrc
index e103cca..d990cbe 100644
--- a/.envrc
+++ b/.envrc
@@ -1,9 +1,10 @@
 #!/usr/bin/env sh
 
-# rocie - An enterprise grocery management system
+# rocie - An enterprise grocery management system - Web app
 #
 # Copyright (C) 2024 Benedikt Peetz <benedikt.peetz@b-peetz.de>
 # Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
 # This file is part of Rocie.
diff --git a/.gitignore b/.gitignore
index cefbd74..bac304a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,13 @@
+# rocie - An enterprise grocery management system - Web app
+#
+# Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of Rocie.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 /target
 /setup/target
 /dist
diff --git a/.reuse/templates/default.jinja2 b/.reuse/templates/default.jinja2
index 41b4bf0..f4a35f0 100644
--- a/.reuse/templates/default.jinja2
+++ b/.reuse/templates/default.jinja2
@@ -1,5 +1,5 @@
 {#
-rocie - An enterprise grocery management system
+rocie - An enterprise grocery management system - Web app
 
 Copyright (C) 2024 Benedikt Peetz <benedikt.peetz@b-peetz.de>
 Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
diff --git a/Cargo.lock.license b/Cargo.lock.license
new file mode 100644
index 0000000..fda8ef4
--- /dev/null
+++ b/Cargo.lock.license
@@ -0,0 +1,9 @@
+rocie - An enterprise grocery management system - Web app
+
+Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+SPDX-License-Identifier: GPL-3.0-or-later
+
+This file is part of Rocie.
+
+You should have received a copy of the License along with this program.
+If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
diff --git a/Cargo.toml b/Cargo.toml
index 9749bee..2d011e3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,3 +1,13 @@
+# rocie - An enterprise grocery management system - Web app
+#
+# Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of Rocie.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 [package]
 name = "rocie-mobile"
 keywords = []
diff --git a/Trunk.toml b/Trunk.toml
index fc54ece..a40dbb9 100644
--- a/Trunk.toml
+++ b/Trunk.toml
@@ -1,3 +1,13 @@
+# rocie - An enterprise grocery management system - Web app
+#
+# Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of Rocie.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 [[hooks]]
 stage = "pre_build"
 command = "tailwindcss"
diff --git a/cog.toml b/cog.toml
index 90dbbe5..e1adff7 100644
--- a/cog.toml
+++ b/cog.toml
@@ -1,4 +1,4 @@
-# rocie - An enterprise grocery management system
+# rocie - An enterprise grocery management system - Web app
 #
 # Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
 # SPDX-License-Identifier: GPL-3.0-or-later
diff --git a/flake.lock.license b/flake.lock.license
new file mode 100644
index 0000000..fda8ef4
--- /dev/null
+++ b/flake.lock.license
@@ -0,0 +1,9 @@
+rocie - An enterprise grocery management system - Web app
+
+Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+SPDX-License-Identifier: GPL-3.0-or-later
+
+This file is part of Rocie.
+
+You should have received a copy of the License along with this program.
+If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
diff --git a/flake.nix b/flake.nix
index 425a1a9..bc989d6 100644
--- a/flake.nix
+++ b/flake.nix
@@ -1,7 +1,8 @@
-# rocie - An enterprise grocery management system
+# rocie - An enterprise grocery management system - Web app
 #
 # Copyright (C) 2024 Benedikt Peetz <benedikt.peetz@b-peetz.de>
 # Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
 # This file is part of Rocie.
diff --git a/index.html b/index.html
index 303ca24..2a30a50 100644
--- a/index.html
+++ b/index.html
@@ -1,3 +1,15 @@
+<!--
+rocie - An enterprise grocery management system - Web app
+
+Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+SPDX-License-Identifier: GPL-3.0-or-later
+
+This file is part of Rocie.
+
+You should have received a copy of the License along with this program.
+If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+-->
+
 <!doctype html>
 <html lang="en">
   <head>
diff --git a/nix/package.nix b/nix/package.nix
index e692242..c01c320 100644
--- a/nix/package.nix
+++ b/nix/package.nix
@@ -1,7 +1,8 @@
-# rocie - An enterprise grocery management system
+# rocie - An enterprise grocery management system - Web app
 #
 # Copyright (C) 2024 Benedikt Peetz <benedikt.peetz@b-peetz.de>
 # Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
 # This file is part of Rocie.
diff --git a/public/input.css b/public/input.css
index b5c61c9..fbc9c72 100644
--- a/public/input.css
+++ b/public/input.css
@@ -1,3 +1,15 @@
+/*
+ * rocie - An enterprise grocery management system - Web app
+ *
+ * Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ * This file is part of Rocie.
+ *
+ * You should have received a copy of the License along with this program.
+ * If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+ */
+
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
diff --git a/public/logo.svg.license b/public/logo.svg.license
new file mode 100644
index 0000000..fda8ef4
--- /dev/null
+++ b/public/logo.svg.license
@@ -0,0 +1,9 @@
+rocie - An enterprise grocery management system - Web app
+
+Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+SPDX-License-Identifier: GPL-3.0-or-later
+
+This file is part of Rocie.
+
+You should have received a copy of the License along with this program.
+If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
diff --git a/public/manifest.json.license b/public/manifest.json.license
new file mode 100644
index 0000000..fda8ef4
--- /dev/null
+++ b/public/manifest.json.license
@@ -0,0 +1,9 @@
+rocie - An enterprise grocery management system - Web app
+
+Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+SPDX-License-Identifier: GPL-3.0-or-later
+
+This file is part of Rocie.
+
+You should have received a copy of the License along with this program.
+If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
diff --git a/rocie-macros/.gitignore b/rocie-macros/.gitignore
index ea8c4bf..d11eb93 100644
--- a/rocie-macros/.gitignore
+++ b/rocie-macros/.gitignore
@@ -1 +1,11 @@
+# rocie - An enterprise grocery management system - Web app
+#
+# Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of Rocie.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 /target
diff --git a/rocie-macros/Cargo.lock.license b/rocie-macros/Cargo.lock.license
new file mode 100644
index 0000000..fda8ef4
--- /dev/null
+++ b/rocie-macros/Cargo.lock.license
@@ -0,0 +1,9 @@
+rocie - An enterprise grocery management system - Web app
+
+Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+SPDX-License-Identifier: GPL-3.0-or-later
+
+This file is part of Rocie.
+
+You should have received a copy of the License along with this program.
+If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
diff --git a/rocie-macros/Cargo.toml b/rocie-macros/Cargo.toml
index afbb942..33e4aae 100644
--- a/rocie-macros/Cargo.toml
+++ b/rocie-macros/Cargo.toml
@@ -1,3 +1,13 @@
+# rocie - An enterprise grocery management system - Web app
+#
+# Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of Rocie.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 [package]
 name = "rocie-macros"
 version = "0.1.0"
diff --git a/rocie-macros/src/form/generate.rs b/rocie-macros/src/form/generate.rs
index 89acea8..732bb58 100644
--- a/rocie-macros/src/form/generate.rs
+++ b/rocie-macros/src/form/generate.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use proc_macro::TokenStream;
 use proc_macro2::TokenStream as TokenStream2;
 use quote::{format_ident, quote};
diff --git a/rocie-macros/src/form/mod.rs b/rocie-macros/src/form/mod.rs
index 978b081..9586905 100644
--- a/rocie-macros/src/form/mod.rs
+++ b/rocie-macros/src/form/mod.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use syn::{Expr, Ident, LitStr, Type};
 
 mod generate;
diff --git a/rocie-macros/src/form/parse.rs b/rocie-macros/src/form/parse.rs
index 2cf8799..1af8cdc 100644
--- a/rocie-macros/src/form/parse.rs
+++ b/rocie-macros/src/form/parse.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use quote::format_ident;
 use syn::{
     Expr, Ident, LitStr, Token, Type,
diff --git a/rocie-macros/src/lib.rs b/rocie-macros/src/lib.rs
index 4fb4340..984d1fa 100644
--- a/rocie-macros/src/lib.rs
+++ b/rocie-macros/src/lib.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use proc_macro::TokenStream;
 
 use crate::form::form_impl;
diff --git a/scripts/generate_logo.sh b/scripts/generate_logo.sh
index af89bc8..bd97ecf 100755
--- a/scripts/generate_logo.sh
+++ b/scripts/generate_logo.sh
@@ -1,5 +1,15 @@
 #! /bin/sh
 
+# rocie - An enterprise grocery management system - Web app
+#
+# Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of Rocie.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 if [ -f "./dist/favicon-1024.png" ]; then
     # Bail out early
     exit 0
diff --git a/scripts/setup.sh b/scripts/setup.sh
index 175ec13..f456fcc 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -1,5 +1,15 @@
 #! /usr/bin/env sh
 
+# rocie - An enterprise grocery management system - Web app
+#
+# Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of Rocie.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 cargo run --manifest-path ./webserver/Cargo.toml &
 trunk serve
 
diff --git a/setup/Cargo.lock.license b/setup/Cargo.lock.license
new file mode 100644
index 0000000..fda8ef4
--- /dev/null
+++ b/setup/Cargo.lock.license
@@ -0,0 +1,9 @@
+rocie - An enterprise grocery management system - Web app
+
+Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+SPDX-License-Identifier: GPL-3.0-or-later
+
+This file is part of Rocie.
+
+You should have received a copy of the License along with this program.
+If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
diff --git a/setup/Cargo.toml b/setup/Cargo.toml
index bb8f741..c1dc114 100644
--- a/setup/Cargo.toml
+++ b/setup/Cargo.toml
@@ -1,3 +1,13 @@
+# rocie - An enterprise grocery management system - Web app
+#
+# Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# This file is part of Rocie.
+#
+# You should have received a copy of the License along with this program.
+# If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 [package]
 name = "setup"
 version = "0.1.0"
diff --git a/setup/src/main.rs b/setup/src/main.rs
index 90bd23d..436835a 100644
--- a/setup/src/main.rs
+++ b/setup/src/main.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use std::{
     process::{Child, Command},
     thread::sleep,
diff --git a/src/api/mod.rs b/src/api/mod.rs
index eb9ca3a..26b98a1 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::error::Error;
 use rocie_client::{
     apis::{
diff --git a/src/components/async_fetch.rs b/src/components/async_fetch.rs
index 43469a7..b32de10 100644
--- a/src/components/async_fetch.rs
+++ b/src/components/async_fetch.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 macro_rules! AsyncResource {
     (
         (
diff --git a/src/components/banner.rs b/src/components/banner.rs
index 3244a07..856e718 100644
--- a/src/components/banner.rs
+++ b/src/components/banner.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     prelude::{ClassAttribute, ElementChild},
diff --git a/src/components/buy.rs.license b/src/components/buy.rs.license
new file mode 100644
index 0000000..fda8ef4
--- /dev/null
+++ b/src/components/buy.rs.license
@@ -0,0 +1,9 @@
+rocie - An enterprise grocery management system - Web app
+
+Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+SPDX-License-Identifier: GPL-3.0-or-later
+
+This file is part of Rocie.
+
+You should have received a copy of the License along with this program.
+If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
diff --git a/src/components/catch_errors.rs b/src/components/catch_errors.rs
index d5a452d..fed6c4c 100644
--- a/src/components/catch_errors.rs
+++ b/src/components/catch_errors.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     error::ErrorBoundary,
diff --git a/src/components/checkbox_placeholder.rs b/src/components/checkbox_placeholder.rs
index a1aaa0c..2006808 100644
--- a/src/components/checkbox_placeholder.rs
+++ b/src/components/checkbox_placeholder.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     html::Input,
diff --git a/src/components/container.rs b/src/components/container.rs
index 3b56713..32005c5 100644
--- a/src/components/container.rs
+++ b/src/components/container.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     prelude::{Children, ClassAttribute, ElementChild},
diff --git a/src/components/form.rs b/src/components/form.rs
index 9c371ad..f2ae396 100644
--- a/src/components/form.rs
+++ b/src/components/form.rs
@@ -1 +1,11 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 pub(crate) use rocie_macros::Form;
diff --git a/src/components/icon_p.rs b/src/components/icon_p.rs
index 372e280..cf979ad 100644
--- a/src/components/icon_p.rs
+++ b/src/components/icon_p.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     prelude::{ClassAttribute, ElementChild, Signal},
diff --git a/src/components/input_placeholder.rs b/src/components/input_placeholder.rs
index 0589363..47cd06d 100644
--- a/src/components/input_placeholder.rs
+++ b/src/components/input_placeholder.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     error::Error,
diff --git a/src/components/inventory.rs b/src/components/inventory.rs
index 31b1c12..905e066 100644
--- a/src/components/inventory.rs
+++ b/src/components/inventory.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{IntoView, component, view};
 
 use crate::{
diff --git a/src/components/login_wall.rs b/src/components/login_wall.rs
index fd5c64f..134e278 100644
--- a/src/components/login_wall.rs
+++ b/src/components/login_wall.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     error::Error,
diff --git a/src/components/mod.rs b/src/components/mod.rs
index 2a3a0b1..ac9c9a7 100644
--- a/src/components/mod.rs
+++ b/src/components/mod.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use std::sync::atomic::{AtomicU32, Ordering};
 
 // Generic
diff --git a/src/components/product_overview.rs b/src/components/product_overview.rs
index 233b8a7..6cded3f 100644
--- a/src/components/product_overview.rs
+++ b/src/components/product_overview.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{IntoView, component, view};
 
 use crate::{
diff --git a/src/components/product_parent_overview.rs b/src/components/product_parent_overview.rs
index 4aa2a0f..ad55f9f 100644
--- a/src/components/product_parent_overview.rs
+++ b/src/components/product_parent_overview.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{IntoView, component, view};
 
 use crate::{
diff --git a/src/components/recipies.rs b/src/components/recipies.rs
index 755954e..81975fb 100644
--- a/src/components/recipies.rs
+++ b/src/components/recipies.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{IntoView, component, view};
 
 use crate::{
diff --git a/src/components/select_placeholder.rs b/src/components/select_placeholder.rs
index 7289793..06c9103 100644
--- a/src/components/select_placeholder.rs
+++ b/src/components/select_placeholder.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     error::Error,
diff --git a/src/components/site_header.rs b/src/components/site_header.rs
index 65f7137..f1d80c1 100644
--- a/src/components/site_header.rs
+++ b/src/components/site_header.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use icondata_core::Icon as DataIcon;
 use leptos::prelude::{ClassAttribute, ElementChild, IntoView, OnAttribute, component, view};
 use leptos_icons::Icon;
diff --git a/src/components/textarea_placeholder.rs b/src/components/textarea_placeholder.rs
index a0bae6d..1feb19f 100644
--- a/src/components/textarea_placeholder.rs
+++ b/src/components/textarea_placeholder.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     html::Textarea,
diff --git a/src/components/unit_overview.rs b/src/components/unit_overview.rs
index 0ea3825..66e8b26 100644
--- a/src/components/unit_overview.rs
+++ b/src/components/unit_overview.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{IntoView, component, view};
 use rocie_client::models::{Unit, UnitProperty};
 
diff --git a/src/lib.rs b/src/lib.rs
index 45f6e90..3357c1e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,15 @@
 #![expect(
+
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
     unreachable_pub,
     reason = "leptos' component macro generates this warning"
 )]
diff --git a/src/main.rs b/src/main.rs
index c3eaadf..dabeedb 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,15 @@
 #![expect(
+
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
     unused_crate_dependencies,
     reason = "We use them in the lib version of this crate"
 )]
diff --git a/src/pages/associate_barcode.rs b/src/pages/associate_barcode.rs
index 0e1308d..0bd5f69 100644
--- a/src/pages/associate_barcode.rs
+++ b/src/pages/associate_barcode.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     prelude::{ElementExt, Get, Show, WriteSignal, signal},
diff --git a/src/pages/buy.rs b/src/pages/buy.rs
index e4cd599..b5349e7 100644
--- a/src/pages/buy.rs
+++ b/src/pages/buy.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     prelude::{Get, Show, signal},
diff --git a/src/pages/create_product.rs b/src/pages/create_product.rs
index fdf8f28..3a8cd39 100644
--- a/src/pages/create_product.rs
+++ b/src/pages/create_product.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use std::{convert::Infallible, iter, str::FromStr};
 
 use leptos::{
diff --git a/src/pages/create_product_parent.rs b/src/pages/create_product_parent.rs
index 152347a..29771b5 100644
--- a/src/pages/create_product_parent.rs
+++ b/src/pages/create_product_parent.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use std::{convert::Infallible, iter, str::FromStr};
 
 use leptos::{
diff --git a/src/pages/create_recipe.rs b/src/pages/create_recipe.rs
index 20ec4ed..3ef6143 100644
--- a/src/pages/create_recipe.rs
+++ b/src/pages/create_recipe.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use std::{iter, str::FromStr};
 
 use leptos::{
diff --git a/src/pages/home.rs b/src/pages/home.rs
index e3767fd..dfc2c54 100644
--- a/src/pages/home.rs
+++ b/src/pages/home.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     prelude::{ClassAttribute, ElementChild, GetUntracked},
diff --git a/src/pages/inventory.rs b/src/pages/inventory.rs
index 0ad5613..c023fb9 100644
--- a/src/pages/inventory.rs
+++ b/src/pages/inventory.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     prelude::{ClassAttribute, ElementChild},
diff --git a/src/pages/login.rs b/src/pages/login.rs
index af3f660..93f72c9 100644
--- a/src/pages/login.rs
+++ b/src/pages/login.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     prelude::{Get, Show, signal},
diff --git a/src/pages/mod.rs b/src/pages/mod.rs
index 8a38db2..4f3db7d 100644
--- a/src/pages/mod.rs
+++ b/src/pages/mod.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 pub mod associate_barcode;
 pub mod buy;
 pub mod create_product;
diff --git a/src/pages/not_found.rs b/src/pages/not_found.rs
index 2adb598..e18ae62 100644
--- a/src/pages/not_found.rs
+++ b/src/pages/not_found.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{IntoView, component, prelude::ElementChild, view};
 
 use crate::components::site_header::SiteHeader;
diff --git a/src/pages/product.rs b/src/pages/product.rs
index 0e4ac04..6676718 100644
--- a/src/pages/product.rs
+++ b/src/pages/product.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     prelude::{ElementChild, Get, IntoAny},
diff --git a/src/pages/products.rs b/src/pages/products.rs
index 5c5b885..d52792c 100644
--- a/src/pages/products.rs
+++ b/src/pages/products.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     prelude::{ClassAttribute, ElementChild},
diff --git a/src/pages/provision.rs b/src/pages/provision.rs
index 340a076..da2b874 100644
--- a/src/pages/provision.rs
+++ b/src/pages/provision.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     prelude::{Get, Show, signal},
diff --git a/src/pages/recipe.rs b/src/pages/recipe.rs
index 4e56e1d..604aba3 100644
--- a/src/pages/recipe.rs
+++ b/src/pages/recipe.rs
@@ -1,4 +1,15 @@
 #![expect(
+
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
     clippy::needless_pass_by_value,
     reason = "It's soo much easier to just pass these values by value"
 )]
diff --git a/src/pages/recipies.rs b/src/pages/recipies.rs
index c372d9b..9f0d517 100644
--- a/src/pages/recipies.rs
+++ b/src/pages/recipies.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     prelude::{ClassAttribute, ElementChild, OnAttribute},
diff --git a/src/pages/units.rs b/src/pages/units.rs
index a5d8655..96cc732 100644
--- a/src/pages/units.rs
+++ b/src/pages/units.rs
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 use leptos::{
     IntoView, component,
     prelude::{ClassAttribute, CollectView, ElementChild},
diff --git a/tailwind.config.js b/tailwind.config.js
index d752bbe..6929dd9 100644
--- a/tailwind.config.js
+++ b/tailwind.config.js
@@ -1,3 +1,13 @@
+// rocie - An enterprise grocery management system - Web app
+//
+// Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+// This file is part of Rocie.
+//
+// You should have received a copy of the License along with this program.
+// If not, see <https://www.gnu.org/licenses/gpl-3.0.txt>.
+
 /** @type {import('tailwindcss').Config} */
 module.exports = {
   content: ["*.html", "./**/*.rs"],
diff --git a/treefmt.nix b/treefmt.nix
index 164f46d..97f6316 100644
--- a/treefmt.nix
+++ b/treefmt.nix
@@ -1,7 +1,8 @@
-# rocie - An enterprise grocery management system
+# rocie - An enterprise grocery management system - Web app
 #
 # Copyright (C) 2024 Benedikt Peetz <benedikt.peetz@b-peetz.de>
 # Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
 # This file is part of Rocie.
diff --git a/update.sh b/update.sh
index 96231c5..08d565e 100755
--- a/update.sh
+++ b/update.sh
@@ -1,9 +1,10 @@
 #!/usr/bin/env sh
 
-# rocie - An enterprise grocery management system
+# rocie - An enterprise grocery management system - Web app
 #
 # Copyright (C) 2024 Benedikt Peetz <benedikt.peetz@b-peetz.de>
 # Copyright (C) 2025 Benedikt Peetz <benedikt.peetz@b-peetz.de>
+# Copyright (C) 2026 Benedikt Peetz <benedikt.peetz@b-peetz.de>
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
 # This file is part of Rocie.