diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ab1fe6..066b15e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,22 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/).
 
 ## [Unreleased]
 
+### Added
+
+- Support de fichier de configuration YAML (`.gitea-dashboard.yml` ou `~/.config/gitea-dashboard/config.yml`)
+- Option `--config` pour specifier un fichier de configuration alternatif
+- Resolution des variables `${VAR}` dans les fichiers de configuration
+- Priorite de configuration : CLI > variables d'environnement > fichier config > defauts
+
+### Fixed
+
+- Degradation gracieuse sur timeout reseau pendant la pagination (retourne les donnees partielles au lieu de crasher)
+
+### Technical
+
+- Nouveau module `config.py` pour la gestion de configuration YAML (ADR-013)
+- Nouvelle dependance PyYAML >= 6.0
+
 ## [1.3.0] - 2026-03-12
 
 ### Added
diff --git a/pyproject.toml b/pyproject.toml
index f85568a..38ed47c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,6 +10,7 @@ requires-python = ">=3.10"
 dependencies = [
     "requests>=2.31",
     "rich>=13.0",
+    "pyyaml>=6.0",
 ]
 
 [project.optional-dependencies]
diff --git a/src/gitea_dashboard/cli.py b/src/gitea_dashboard/cli.py
index 7a55721..474fe7f 100644
--- a/src/gitea_dashboard/cli.py
+++ b/src/gitea_dashboard/cli.py
@@ -11,6 +11,7 @@ from rich.console import Console
 
 from gitea_dashboard.client import GiteaClient
 from gitea_dashboard.collector import collect_all
+from gitea_dashboard.config import load_config, merge_config
 from gitea_dashboard.display import render_dashboard, sort_repos
 from gitea_dashboard.exporter import export_json
 
@@ -71,9 +72,63 @@ def parse_args(argv: list[str] | None = None) -> argparse.Namespace:
         default=False,
         help="Masque la colonne Description dans le tableau.",
     )
+    parser.add_argument(
+        "--config",
+        default=None,
+        help="Chemin vers un fichier de configuration YAML alternatif.",
+    )
     return parser.parse_args(argv)
 
 
+def _resolve_config(args: argparse.Namespace) -> argparse.Namespace:
+    """Resout la configuration en appliquant la priorite CLI > env > config > defaults.
+
+    1. Charge le fichier config (args.config ou chemin par defaut)
+    2. Lit les variables d'environnement pertinentes
+    3. Fusionne avec les valeurs CLI
+    4. Retourne un Namespace enrichi
+    """
+    file_config = load_config(args.config)
+
+    env_vars: dict = {}
+    gitea_url_env = os.environ.get("GITEA_URL")
+    if gitea_url_env:
+        env_vars["url"] = gitea_url_env
+    gitea_auth_env = os.environ.get("GITEA_TOKEN")
+    if gitea_auth_env:
+        env_vars["auth"] = gitea_auth_env
+
+    cli_args: dict = {}
+    if args.sort != "name":
+        cli_args["sort"] = args.sort
+    if args.repo is not None:
+        cli_args["include"] = args.repo
+    if args.exclude is not None:
+        cli_args["exclude"] = args.exclude
+    if args.no_desc:
+        cli_args["no_desc"] = True
+
+    defaults = {
+        "url": _DEFAULT_URL,
+        "sort": "name",
+        "no_desc": False,
+    }
+
+    merged = merge_config(cli_args, env_vars, file_config, defaults)
+
+    args.resolved_url = merged.get("url", _DEFAULT_URL)
+    args.resolved_auth = merged.get("auth")
+    args.sort = merged.get("sort", args.sort)
+    if merged.get("include") and args.repo is None:
+        args.repo = merged["include"]
+    if merged.get("exclude") and args.exclude is None:
+        args.exclude = merged["exclude"]
+    if merged.get("no_desc") and not args.no_desc:
+        args.no_desc = merged["no_desc"]
+
+    return args
+
+
 def _run_health_check(client: GiteaClient, console: Console) -> None:
     """Execute le health check et affiche les resultats.
 
@@ -104,16 +159,28 @@ def main(argv: list[str] | None = None) -> None:
     args = parse_args(argv)
     console = Console(stderr=True)
 
-    token = os.environ.get("GITEA_TOKEN")
-    if not token:
+    try:
+        args = _resolve_config(args)
+    except (FileNotFoundError, ValueError) as exc:
+        console.print(f"[red]Erreur config : {exc}[/red]")
+        sys.exit(1)
+
+    auth = args.resolved_auth if hasattr(args, "resolved_auth") and args.resolved_auth else None
+    if not auth:
+        auth = os.environ.get("GITEA_TOKEN")
+    if not auth:
         console.print(
             "[red]Erreur : GITEA_TOKEN non defini. Exportez la variable d'environnement.[/red]"
         )
         sys.exit(1)
 
-    url = os.environ.get("GITEA_URL", _DEFAULT_URL)
+    url = (
+        args.resolved_url
+        if hasattr(args, "resolved_url")
+        else os.environ.get("GITEA_URL", _DEFAULT_URL)
+    )
 
-    client = GiteaClient(url, token)
+    client = GiteaClient(url, auth)
 
     try:
         if args.health:
@@ -132,8 +199,8 @@ def main(argv: list[str] | None = None) -> None:
     except requests.RequestException as exc:
         # Ne jamais afficher le token dans les messages d'erreur
         msg = str(exc)
-        if token in msg:
-            msg = msg.replace(token, "***")
+        if auth in msg:
+            msg = msg.replace(auth, "***")
         console.print(f"[red]Erreur API : {msg}[/red]")
         sys.exit(1)
 
diff --git a/src/gitea_dashboard/client.py b/src/gitea_dashboard/client.py
index 04210ad..6fd7aa0 100644
--- a/src/gitea_dashboard/client.py
+++ b/src/gitea_dashboard/client.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 import time
+import warnings
 
 import requests
 
@@ -86,6 +87,11 @@ class GiteaClient:
 
         Boucle tant que len(page) == limit (50).
         Utilise _get_with_retry pour la resilience aux timeouts.
+
+        Si _get_with_retry leve une exception Timeout sur une page
+        intermediaire (page > 1), retourne les donnees collectees
+        jusque-la et emet un warning via warnings.warn().
+        Si la premiere page echoue, l'exception remonte normalement.
         """
         all_items: list[dict] = []
         page = 1
@@ -95,7 +101,16 @@ class GiteaClient:
             merged_params["limit"] = self._PAGE_LIMIT
             merged_params["page"] = page
             url = f"{self.base_url}{endpoint}"
-            resp = self._get_with_retry(url, params=merged_params)
+            try:
+                resp = self._get_with_retry(url, params=merged_params)
+            except (requests.exceptions.ReadTimeout, requests.exceptions.ConnectTimeout):
+                if page == 1:
+                    raise
+                warnings.warn(
+                    f"Partial data: timeout on page {page} of {endpoint}",
+                    stacklevel=2,
+                )
+                return all_items
             resp.raise_for_status()
             items = resp.json()
             all_items.extend(items)
diff --git a/src/gitea_dashboard/config.py b/src/gitea_dashboard/config.py
new file mode 100644
index 0000000..abd64e0
--- /dev/null
+++ b/src/gitea_dashboard/config.py
@@ -0,0 +1,112 @@
+"""Configuration YAML pour gitea-dashboard."""
+
+from __future__ import annotations
+
+import os
+import re
+from pathlib import Path
+from typing import Any
+
+import yaml
+
+_DEFAULT_CONFIG_PATHS = [
+    Path(".gitea-dashboard.yml"),
+    Path.home() / ".config" / "gitea-dashboard" / "config.yml",
+]
+
+_ENV_VAR_RE = re.compile(r"\$\{([^}]+)\}")
+
+
+def resolve_env_vars(value: str) -> str:
+    """Resout les references ${VAR} dans une valeur string.
+
+    Remplace ${VAR} par os.environ[VAR].
+    Si VAR n'est pas defini, laisse la reference telle quelle.
+    Ne resout pas les references imbriquees.
+    """
+
+    def _replace(match: re.Match) -> str:
+        var_name = match.group(1)
+        return os.environ.get(var_name, match.group(0))
+
+    return _ENV_VAR_RE.sub(_replace, value)
+
+
+def _resolve_values(data: Any) -> Any:
+    """Resout recursivement les ${VAR} dans les valeurs string et listes."""
+    if isinstance(data, str):
+        return resolve_env_vars(data)
+    if isinstance(data, list):
+        return [_resolve_values(item) for item in data]
+    if isinstance(data, dict):
+        return {k: _resolve_values(v) for k, v in data.items()}
+    return data
+
+
+def load_config(config_path: str | None = None) -> dict[str, Any]:
+    """Charge la configuration depuis un fichier YAML.
+
+    Ordre de recherche si config_path est None :
+    1. .gitea-dashboard.yml (repertoire courant)
+    2. ~/.config/gitea-dashboard/config.yml
+
+    Retourne un dict vide si aucun fichier trouve.
+    Leve FileNotFoundError si config_path est fourni mais n'existe pas.
+    Leve ValueError si le YAML est syntaxiquement invalide.
+    """
+    if config_path is not None:
+        path = Path(config_path)
+        if not path.exists():
+            msg = f"Config file not found: {config_path}"
+            raise FileNotFoundError(msg)
+        return _load_yaml_file(path)
+
+    for path in _DEFAULT_CONFIG_PATHS:
+        if path.exists():
+            return _load_yaml_file(path)
+
+    return {}
+
+
+def _load_yaml_file(path: Path) -> dict[str, Any]:
+    """Charge et parse un fichier YAML avec resolution des variables."""
+    try:
+        raw = yaml.safe_load(path.read_text(encoding="utf-8"))
+    except yaml.YAMLError as exc:
+        msg = f"Invalid YAML in {path}: {exc}"
+        raise ValueError(msg) from exc
+
+    if raw is None:
+        return {}
+    if not isinstance(raw, dict):
+        msg = f"Invalid config format in {path}: expected a mapping, got {type(raw).__name__}"
+        raise ValueError(msg)
+
+    return _resolve_values(raw)
+
+
+def merge_config(
+    cli_args: dict[str, Any],
+    env_vars: dict[str, Any],
+    file_config: dict[str, Any],
+    defaults: dict[str, Any],
+) -> dict[str, Any]:
+    """Fusionne les sources de configuration par priorite.
+
+    Priorite : cli_args > env_vars > file_config > defaults.
+    Une valeur None dans une source de priorite superieure ne masque pas
+    la valeur d'une source de priorite inferieure.
+    """
+    all_keys = set()
+    for source in (cli_args, env_vars, file_config, defaults):
+        all_keys.update(source.keys())
+
+    result: dict[str, Any] = {}
+    for key in all_keys:
+        for source in (cli_args, env_vars, file_config, defaults):
+            value = source.get(key)
+            if value is not None:
+                result[key] = value
+                break
+
+    return result