diff --git a/Cargo.lock b/Cargo.lock
index 7c330ec..6248fee 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -667,6 +667,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07bbe89c50d7a535e539b8c17bc0b49bdb77747034daa8087407d655f3f7cc1d"
 dependencies = [
  "futures-core",
+ "futures-sink",
 ]
 
 [[package]]
@@ -1285,7 +1286,7 @@ dependencies = [
 
 [[package]]
 name = "imagod-web"
-version = "0.2.0"
+version = "0.2.2"
 dependencies = [
  "anyhow",
  "arboard",
@@ -2237,6 +2238,7 @@ checksum = "eddd3ca559203180a307f12d114c268abf583f59b03cb906fd0b3ff8646c1147"
 dependencies = [
  "base64",
  "bytes",
+ "futures-channel",
  "futures-core",
  "futures-util",
  "http",
diff --git a/Cargo.toml b/Cargo.toml
index c1e8ae1..775c8b2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "imagod-web"
-version = "0.2.0"
+version = "0.2.2"
 edition = "2021"
 description = "Imago Daemon + Dashboard — Service de capture automatique de screenshots + Dashboard web embarqué"
 authors = ["Bruno Charest <bruno.charest@gmail.com>"]
@@ -15,7 +15,7 @@ clap = { version = "4", features = ["derive", "env"] }
 # Async runtime
 tokio = { version = "1", features = ["full"] }
 # HTTP Client (API Imago) — rustls pour éviter OpenSSL
-reqwest = { version = "0.12", default-features = false, features = ["json", "multipart", "stream", "rustls-tls"] }
+reqwest = { version = "0.12", default-features = false, features = ["json", "multipart", "stream", "rustls-tls", "blocking"] }
 # Serialization
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
diff --git a/imagod-web-v0.2.2-windows.zip b/imagod-web-v0.2.2-windows.zip
new file mode 100644
index 0000000..8b0f825
Binary files /dev/null and b/imagod-web-v0.2.2-windows.zip differ
diff --git a/imagod-web-windows.zip b/imagod-web-windows.zip
new file mode 100644
index 0000000..35327c7
Binary files /dev/null and b/imagod-web-windows.zip differ
diff --git a/src/cli.rs b/src/cli.rs
index 7314e4b..4909d13 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -1,80 +1,105 @@
 //! Parsing CLI avec clap
 
 use clap::{Parser, Subcommand};
+use std::path::PathBuf;
 
 #[derive(Parser)]
 #[command(
     name = "imagod-web",
-    version = env!("CARGO_PKG_VERSION"),
-    about = "Imago Daemon + Dashboard — Capture automatique de screenshots + Dashboard web embarqué",
-    long_about = "Service de capture automatique de screenshots vers Imago avec dashboard web embarqué.\n\n\
-                  Modes :\n  \
-                  Windows : imagod-web start → watcher clipboard + dashboard\n  \
-                  Linux   : imagod-web serve → watcher dossier + dashboard"
+    version = env!("IMAGOD_BUILD_VERSION"),
+    about = "Imago Daemon + Dashboard — Watcher clipboard et dashboard web",
+    long_about = "Companion multiplateforme pour le backend Imago. Dashboard web, watcher clipboard, gestionnaire d'upload."
 )]
-pub struct Args {
+pub struct Cli {
     #[command(subcommand)]
-    pub command: Command,
+    pub cmd: Command,
 }
 
 #[derive(Subcommand)]
 pub enum Command {
-    /// Lancer le watcher + dashboard (Windows uniquement)
+    /// Lancer le watcher + dashboard
     Start {
-        /// Port du dashboard web
-        #[arg(long, default_value = "9090")]
+        /// Port d'écoute
+        #[arg(long, default_value = "9199")]
         port: u16,
-        /// Ouvrir le dashboard dans le navigateur
+
+        /// Ouvrir le navigateur
         #[arg(long)]
         open_browser: bool,
     },
-    /// Lancer le dashboard web uniquement (Linux/serveur)
+
+    /// Lancer le dashboard web (+ watcher dossier sur Linux)
     Serve {
-        /// Port du dashboard web
-        #[arg(long, default_value = "9090")]
+        /// Port d'écoute
+        #[arg(long, default_value = "9199")]
         port: u16,
-        /// Interface d'écoute
+
+        /// Adresse d'écoute
         #[arg(long, default_value = "127.0.0.1")]
         host: String,
-        /// Désactiver le watcher clipboard
+
+        /// Désactiver le watcher (surveillance du presse-papier)
         #[arg(long)]
         no_watcher: bool,
-        /// Ouvrir le dashboard dans le navigateur
+
+        /// Ouvrir le navigateur
         #[arg(long)]
         open_browser: bool,
+
+        /// Chemin du fichier de configuration
+        #[arg(long)]
+        config: Option<PathBuf>,
     },
+
     /// Arrêter le service
     Stop,
-    /// Afficher l'état du service
+
+    /// Afficher l'état
     Status,
+
     /// Gérer la configuration
     Config {
         #[command(subcommand)]
         action: ConfigAction,
     },
-    /// Installer comme service Windows
-    Install,
+
+    /// Installer en tant que service Windows
+    Install {
+        /// Chemin du fichier de configuration
+        #[arg(short, long)]
+        config: Option<PathBuf>,
+
+        /// Clé API Imago
+        #[arg(short, long)]
+        api_key: Option<String>,
+    },
+
     /// Désinstaller le service Windows
     Uninstall,
-    /// Afficher les derniers logs
-    Logs,
+
+    /// Mettre à jour depuis Nexus
+    Update {
+        /// Forcer même si déjà à jour
+        #[arg(short, long)]
+        force: bool,
+
+        /// URL du serveur Nexus
+        #[arg(short, long, default_value = "https://nexus.dracodev.net")]
+        nexus_url: String,
+    },
 }
 
-#[derive(Subcommand, Debug)]
+#[derive(Subcommand)]
 pub enum ConfigAction {
-    /// Afficher la configuration actuelle
+    /// Afficher la configuration
     Show,
-    /// Modifier un paramètre
-    Set {
-        /// Clé de configuration (ex: imago.url)
-        key: String,
-        /// Valeur
-        value: String,
-    },
-    /// Réinitialiser la configuration par défaut
+    /// Modifier une clé
+    Set { key: String, value: String },
+    /// Réinitialiser
     Reset,
 }
 
-pub fn parse() -> Args {
-    Args::parse()
+/// Parse les arguments CLI
+pub fn parse() -> Command {
+    <Cli as clap::Parser>::parse().cmd
 }
diff --git a/src/config.rs b/src/config.rs
index 165b7ef..cf4934b 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -160,15 +160,25 @@ impl Config {
     /// Charge la configuration depuis `%APPDATA%/imagod-web/imagod.toml`
     pub fn load() -> Result<Self> {
         let path = Self::config_path()?;
+        Self::load_from(&path)
+    }
+
+    /// Charge la configuration depuis un chemin spécifique
+    pub fn load_from(path: &PathBuf) -> Result<Self> {
         if path.exists() {
-            let content = std::fs::read_to_string(&path)
+            let content = std::fs::read_to_string(path)
                 .with_context(|| format!("Impossible de lire {}", path.display()))?;
             let config: Config = toml::from_str(&content)
                 .with_context(|| "Erreur de parsing du fichier de configuration")?;
             Ok(config)
         } else {
             let config = Config::default();
-            config.save()?;
+            // Sauvegarder au chemin spécifié
+            if let Some(parent) = path.parent() {
+                std::fs::create_dir_all(parent)?;
+            }
+            let content = toml::to_string_pretty(&config)?;
+            std::fs::write(path, &content)?;
             Ok(config)
         }
     }
diff --git a/src/frontend/changelog.html b/src/frontend/changelog.html
index 873abaf..889e90d 100644
--- a/src/frontend/changelog.html
+++ b/src/frontend/changelog.html
@@ -3,7 +3,7 @@
 <head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
-<title>Changelog — imagod-web v0.2.0+build.32-fb292ea-dirty</title>
+<title>Changelog — imagod-web v0.2.2+build.34-8db614c-dirty</title>
 <link rel="icon" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>🖼️</text></svg>">
 <style>
 * { margin:0; padding:0; box-sizing:border-box; }
@@ -37,7 +37,7 @@ footer { text-align:center; color:#484f58; font-size:0.8rem; padding:2rem; }
 </head>
 <body>
 <header>
-  <h1>📋 imagod-web <span class="version-badge">v0.2.0+build.32-fb292ea-dirty</span></h1>
+  <h1>📋 imagod-web <span class="version-badge">v0.2.2+build.34-8db614c-dirty</span></h1>
   <nav>
     <a href="/">🖼️ Galerie</a>
     <a href="/changelog" class="active">📋 Changelog</a>
@@ -107,6 +107,6 @@ footer { text-align:center; color:#484f58; font-size:0.8rem; padding:2rem; }
 <h2>Légende des tags</h2>
 
 </main>
-<footer>imagod-web v0.2.0+build.32-fb292ea-dirty — <a href="https://git.dracodev.net/Projets/imagod-web">Gitea</a></footer>
+<footer>imagod-web v0.2.2+build.34-8db614c-dirty — <a href="https://git.dracodev.net/Projets/imagod-web">Gitea</a></footer>
 </body>
 </html>
diff --git a/src/frontend/help.html b/src/frontend/help.html
index 5e9687a..87d94de 100644
--- a/src/frontend/help.html
+++ b/src/frontend/help.html
@@ -3,7 +3,7 @@
 <head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
-<title>Aide & Roadmap — imagod-web v0.2.0+build.32-fb292ea-dirty</title>
+<title>Aide & Roadmap — imagod-web v0.2.2+build.34-8db614c-dirty</title>
 <link rel="icon" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'><text y='.9em' font-size='90'>🖼️</text></svg>">
 <style>
 * { margin:0; padding:0; box-sizing:border-box; }
@@ -37,7 +37,7 @@ footer { text-align:center; color:#484f58; font-size:0.8rem; padding:2rem; }
 </head>
 <body>
 <header>
-  <h1>❓ imagod-web <span class="version-badge">v0.2.0+build.32-fb292ea-dirty</span></h1>
+  <h1>❓ imagod-web <span class="version-badge">v0.2.2+build.34-8db614c-dirty</span></h1>
   <nav>
     <a href="/">🖼️ Galerie</a>
     <a href="/changelog">📋 Changelog</a>
@@ -169,6 +169,6 @@ footer { text-align:center; color:#484f58; font-size:0.8rem; padding:2rem; }
 <p>5. <strong>Corriger le backend Imago</strong> (thumbnails, upload, stockage)</p>
 
 </main>
-<footer>imagod-web v0.2.0+build.32-fb292ea-dirty — <a href="https://git.dracodev.net/Projets/imagod-web">Gitea</a></footer>
+<footer>imagod-web v0.2.2+build.34-8db614c-dirty — <a href="https://git.dracodev.net/Projets/imagod-web">Gitea</a></footer>
 </body>
 </html>
diff --git a/src/frontend/index.html b/src/frontend/index.html
index 60a5519..c702c5d 100644
--- a/src/frontend/index.html
+++ b/src/frontend/index.html
@@ -465,7 +465,7 @@
         <button class="btn" id="clear-btn" style="display:none">✕</button>
     </div>
     <button class="btn accent" id="header-upload-btn" onclick="document.getElementById('drop-zone').scrollIntoView({behavior:'smooth'}); document.getElementById('file-input').click()">📤 Upload</button>
-    <span class="version-badge" id="version-badge">v0.2.0+build.32-fb292ea-dirty</span>
+    <span class="version-badge" id="version-badge">v0.2.2+build.34-8db614c-dirty</span>
 </div>
 
 <!-- ─── Navigation ─── -->
diff --git a/src/main.rs b/src/main.rs
index 6461ed0..ef42b4e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -21,13 +21,11 @@ mod watcher;
 mod clipboard;
 #[cfg(target_os = "windows")]
 mod tray;
-#[cfg(target_os = "windows")]
-mod service;
-#[cfg(target_os = "windows")]
-mod window_info;
-
 mod server;
-
+#[cfg(windows)]
+mod service;
+mod update;
+mod window_info;
 use anyhow::{Context, Result};
 use std::path::PathBuf;
 use std::process;
@@ -212,7 +210,7 @@ async fn cmd_start(port: u16, open_browser: bool) -> Result<()> {
 }
 
 /// `serve` — Lance le dashboard web uniquement
-async fn cmd_serve(host: &str, port: u16, no_watcher: bool, open_browser: bool) -> Result<()> {
+async fn cmd_serve(host: &str, port: u16, no_watcher: bool, open_browser: bool, config_path: Option<PathBuf>) -> Result<()> {
     // Vérifier qu'il n'y a pas déjà une instance
     if let Some(pid) = is_running() {
         anyhow::bail!(
@@ -222,7 +220,12 @@ async fn cmd_serve(host: &str, port: u16, no_watcher: bool, open_browser: bool)
         );
     }
 
-    let cfg = config::Config::load()?;
+    let cfg = if let Some(ref path) = config_path {
+        tracing::info!("📄 Configuration chargée depuis : {}", path.display());
+        config::Config::load_from(path)?
+    } else {
+        config::Config::load()?
+    };
 
     // Écrire le PID
     write_pid()?;
@@ -498,13 +501,12 @@ async fn main() {
     setup_logging();
 
     let args = cli::parse();
-
-    let result = match args.command {
+    let result = match args {
         cli::Command::Start { port, open_browser } => {
             cmd_start(port, open_browser).await
         }
-        cli::Command::Serve { port, host, no_watcher, open_browser } => {
-            cmd_serve(&host, port, no_watcher, open_browser).await
+        cli::Command::Serve { port, host, no_watcher, open_browser, config } => {
+            cmd_serve(&host, port, no_watcher, open_browser, config).await
         }
         cli::Command::Stop => {
             cmd_stop()
@@ -515,17 +517,16 @@ async fn main() {
         cli::Command::Config { action } => {
             cmd_config(&action)
         }
-        cli::Command::Logs => {
-            cmd_logs()
-        }
-        cli::Command::Install => {
-            install_service()
+        cli::Command::Install { config, api_key } => {
+            install_service(config, api_key)
         }
         cli::Command::Uninstall => {
             uninstall_service()
         }
+        cli::Command::Update { force, nexus_url } => {
+            update_binary(force, &nexus_url)
+        }
     };
-
     if let Err(e) = result {
         eprintln!("❌ Erreur : {:#}", e);
         process::exit(1);
@@ -533,13 +534,13 @@ async fn main() {
 }
 
 #[cfg(target_os = "windows")]
-fn install_service() -> anyhow::Result<()> {
+fn install_service(config: Option<PathBuf>, api_key: Option<String>) -> anyhow::Result<()> {
     tracing::info!("Installation du service Windows...");
-    service::install()
+    service::install(config, api_key)
 }
 
 #[cfg(not(target_os = "windows"))]
-fn install_service() -> anyhow::Result<()> {
+fn install_service(_config: Option<PathBuf>, _api_key: Option<String>) -> anyhow::Result<()> {
     anyhow::bail!("La commande 'install' n'est disponible que sur Windows (service NSSM)")
 }
 
@@ -549,6 +550,16 @@ fn uninstall_service() -> anyhow::Result<()> {
     service::uninstall()
 }
 
+#[cfg(windows)]
+fn update_binary(_force: bool, _nexus_url: &str) -> anyhow::Result<()> {
+    crate::update::check_and_update(_force, _nexus_url)
+}
+
+#[cfg(not(windows))]
+fn update_binary(_force: bool, _nexus_url: &str) -> anyhow::Result<()> {
+    anyhow::bail!("La commande 'update' n'est disponible que sur Windows (remplacement du binaire + service NSSM)")
+}
+
 #[cfg(not(target_os = "windows"))]
 fn uninstall_service() -> anyhow::Result<()> {
     anyhow::bail!("La commande 'uninstall' n'est disponible que sur Windows (service NSSM)")
diff --git a/src/service.rs b/src/service.rs
index 34829e7..a6a86a1 100644
--- a/src/service.rs
+++ b/src/service.rs
@@ -6,7 +6,8 @@
 //! NSSM doit être présent dans le même dossier que imagod-web.exe
 //! ou dans le PATH. Téléchargeable sur https://nssm.cc/download
 
-use std::path::PathBuf;
+use anyhow::Context;
+use std::path::{Path, PathBuf};
 use std::process::{Command, Stdio};
 
 /// Trouve l'exécutable NSSM
@@ -29,7 +30,7 @@ fn own_exe_path() -> anyhow::Result<String> {
         .to_string())
 }
 
-pub fn install() -> anyhow::Result<()> {
+pub fn install(config_override: Option<PathBuf>, api_key: Option<String>) -> anyhow::Result<()> {
     if !cfg!(windows) {
         anyhow::bail!("L'installation en service est disponible uniquement sous Windows");
     }
@@ -49,6 +50,44 @@ pub fn install() -> anyhow::Result<()> {
     let exe_path = own_exe_path()?;
     let service_name = "imagod-web";
 
+    let exe_dir = Path::new(&exe_path).parent().unwrap_or(Path::new("."));
+
+    // --- Config auto-génération ---
+    let config_path = if let Some(ref cfg) = config_override {
+        cfg.clone()
+    } else {
+        let default_config = exe_dir.join("imagod.toml");
+        if !default_config.exists() {
+            let key = api_key.unwrap_or_default();
+            let config_content = format!(
+                r#"[imago]
+base_url = "http://imago.dracodev.net"
+api_key = "{}"
+
+[server]
+host = "127.0.0.1"
+port = 9199
+"#,
+                key
+            );
+            std::fs::write(&default_config, config_content)?;
+            println!("📝 Config créée : {}", default_config.display());
+            if key.is_empty() {
+                println!("⚠️  Clé API non fournie — éditez imagod.toml pour ajouter votre clé Imago");
+            }
+        }
+        default_config
+    };
+
+    // Vérifier que le fichier de config existe
+    if !config_path.exists() {
+        anyhow::bail!(
+            "Fichier de configuration introuvable : {}\n\
+             Créez un fichier imagod.toml ou utilisez --config <chemin>",
+            config_path.display()
+        );
+    }
+
     println!("🔧 Installation du service Windows '{}'...", service_name);
     println!("   Binaire  : {}", exe_path);
     println!("   NSSM     : {}", nssm.display());
@@ -70,9 +109,12 @@ pub fn install() -> anyhow::Result<()> {
     }
 
     // Configurer le service
+    let config_arg = format!("serve --config {}", config_path.display());
     let settings: &[(&[&str], &str)] = &[
-        // Commande : "serve" (watcher + dashboard)
-        (&["set", service_name, "AppParameters", "serve"], "Paramètres de l'application"),
+        // Commande : "serve --config <path>"
+        (&["set", service_name, "AppParameters", &config_arg], "Paramètres de l'application"),
+        // Répertoire de travail = là où est le binaire
+        (&["set", service_name, "AppDirectory", &exe_dir.to_string_lossy()], "Répertoire de travail"),
         // Démarrage automatique
         (&["set", service_name, "Start", "SERVICE_AUTO_START"], "Type de démarrage"),
         // Nom affiché
diff --git a/src/update.rs b/src/update.rs
new file mode 100644
index 0000000..d694429
--- /dev/null
+++ b/src/update.rs
@@ -0,0 +1,110 @@
+//! Module de mise à jour automatique depuis Nexus (Windows uniquement)
+
+#[cfg(windows)]
+mod imp {
+    use std::path::Path;
+    use std::process::Command;
+
+    pub fn check_and_update(force: bool, nexus_url: &str) -> anyhow::Result<()> {
+        let current_version = env!("CARGO_PKG_VERSION");
+        let platform = "windows";
+        let exe_path = std::env::current_exe()?;
+        let exe_dir = exe_path.parent().unwrap_or(Path::new("."));
+
+        // 1. Récupérer la version distante
+        let version_url = format!(
+            "{}/repository/raw-hosted/imagod-web/{}/latest/version.txt",
+            nexus_url.trim_end_matches('/'),
+            platform
+        );
+
+        println!("🔍 Vérification de la version sur Nexus...");
+        println!("   Actuelle : v{}", current_version);
+
+        let remote_version = match reqwest::blocking::get(&version_url) {
+            Ok(resp) if resp.status().is_success() => resp.text()?.trim().to_string(),
+            Ok(resp) => anyhow::bail!("Impossible de récupérer la version distante (HTTP {})", resp.status()),
+            Err(e) => anyhow::bail!("Erreur réseau : {}", e),
+        };
+
+        println!("   Distante  : v{}", remote_version);
+
+        if !force && remote_version == current_version {
+            println!("✅ Vous utilisez déjà la dernière version.");
+            return Ok(());
+        }
+
+        println!("📦 Mise à jour : v{} → v{}", current_version, remote_version);
+
+        // 2. Télécharger
+        let bin_name = "imagod-web.exe";
+        let bin_url = format!(
+            "{}/repository/raw-hosted/imagod-web/{}/latest/{}",
+            nexus_url.trim_end_matches('/'), platform, bin_name
+        );
+
+        println!("⬇️  Téléchargement...");
+        let response = reqwest::blocking::get(&bin_url)?;
+        if !response.status().is_success() {
+            anyhow::bail!("Téléchargement échoué (HTTP {})", response.status());
+        }
+
+        let new_binary = response.bytes()?;
+        println!("   Téléchargé : {:.1} MB", new_binary.len() as f64 / 1_048_576.0);
+
+        // 3. Vérifier SHA256
+        let sha_url = format!("{}.sha256", bin_url);
+        let expected_sha = reqwest::blocking::get(&sha_url)?
+            .text()?
+            .split_whitespace()
+            .next()
+            .unwrap_or("")
+            .to_string();
+
+        use sha2::{Digest, Sha256};
+        let mut hasher = Sha256::new();
+        hasher.update(&new_binary);
+        let actual_sha = format!("{:x}", hasher.finalize());
+
+        if expected_sha.is_empty() {
+            println!("⚠️  Pas de checksum — vérification ignorée.");
+        } else if actual_sha != expected_sha {
+            anyhow::bail!("❌ SHA256 mismatch!\n   Attendu: {}\n   Obtenu:  {}", expected_sha, actual_sha);
+        } else {
+            println!("✅ SHA256 vérifié");
+        }
+
+        // 4. Remplacer
+        let temp_path = exe_dir.join(format!("{}.new", bin_name));
+        std::fs::write(&temp_path, &new_binary)?;
+
+        let _ = Command::new("nssm").args(["stop", "imagod-web"]).status();
+        std::thread::sleep(std::time::Duration::from_secs(2));
+
+        let backup_path = exe_dir.join(format!("{}.old", bin_name));
+        let _ = std::fs::remove_file(&backup_path);
+        std::fs::rename(&exe_path, &backup_path)?;
+        std::fs::rename(&temp_path, &exe_path)?;
+
+        // 5. Redémarrer
+        let start = Command::new("nssm").args(["start", "imagod-web"]).status();
+        match start {
+            Ok(s) if s.success() => println!("🚀 Service redémarré !"),
+            _ => println!("⚠️  Redémarrage manuel requis : nssm start imagod-web"),
+        }
+
+        println!("🎉 Mise à jour v{} → v{} terminée !", current_version, remote_version);
+        Ok(())
+    }
+}
+
+#[cfg(not(windows))]
+mod imp {
+    pub fn check_and_update(_force: bool, _nexus_url: &str) -> anyhow::Result<()> {
+        anyhow::bail!("La commande 'update' n'est disponible que sur Windows")
+    }
+}
+
+pub fn check_and_update(force: bool, nexus_url: &str) -> anyhow::Result<()> {
+    imp::check_and_update(force, nexus_url)
+}