fix: default bind to :: for IPv6 dual-stack

.gitignore

@@ -7,6 +7,9 @@ __pycache__/
 .ruff_cache/
 dist/
 
+# Ruby leftovers (from the old build)
+/pkg/
+
 # Test / coverage
 /coverage/
 /tmp/

src/volumen/config.py

@@ -15,7 +15,7 @@ except ImportError:
 DEFAULT_PATH = "/etc/volumen/config.toml"
 
 DEFAULTS: dict[str, Any] = {
-    "server": {"host": "0.0.0.0", "port": 9090},
+    "server": {"host": "::", "port": 9090},
     "content_dir": "/var/lib/volumen/posts",
     "users_file": "/var/lib/volumen/users.toml",
     "site": {
@@ -37,7 +37,7 @@ TEMPLATE = """\
 # volumen configuration.
 
 [server]
-host = "0.0.0.0"
+host = "::"
 port = 9090
 
 # Directory of your Markdown posts (.md with TOML frontmatter).

tests/test_config.py

@@ -14,7 +14,7 @@ class TestDefaults:
         config = Config.load(path=MISSING)
         assert config.port == 9090
         assert config.language == "en"
-        assert config.host == "0.0.0.0"
+        assert config.host == "::"
 
     def test_default_content_dir(self) -> None:
         config = Config.load(path=MISSING)
@@ -38,7 +38,7 @@ class TestOverrides:
     def test_does_not_mutate_defaults(self) -> None:
         Config.load(path=MISSING, overrides={"host": "10.0.0.1"})
         fresh = Config.load(path=MISSING)
-        assert fresh.host == "0.0.0.0"
+        assert fresh.host == "::"
 
     def test_does_not_mutate_default_inner_hashes(self) -> None:
         config = Config.load(path=MISSING)