diff --git a/hermes_cli/gateway.py b/hermes_cli/gateway.py
index 8f93f2de6..69b1a6df8 100644
--- a/hermes_cli/gateway.py
+++ b/hermes_cli/gateway.py
@@ -251,18 +251,18 @@ SERVICE_DESCRIPTION = "Hermes Agent Gateway - Messaging Platform Integration"
 def _profile_suffix() -> str:
     """Derive a service-name suffix from the current HERMES_HOME.
 
-    Returns ``""`` for the default ``~/.hermes``, the profile name for
-    ``~/.hermes/profiles/<name>``, or a short hash for any other custom
-    HERMES_HOME path.
+    Returns ``""`` for the default root, the profile name for
+    ``<root>/profiles/<name>``, or a short hash for any other path.
+    Works correctly in Docker (HERMES_HOME=/opt/data) and standard deployments.
     """
     import hashlib
     import re
-    from pathlib import Path as _Path
+    from hermes_constants import get_default_hermes_root
     home = get_hermes_home().resolve()
-    default = (_Path.home() / ".hermes").resolve()
+    default = get_default_hermes_root().resolve()
     if home == default:
         return ""
-    # Detect ~/.hermes/profiles/<name> pattern → use the profile name
+    # Detect <root>/profiles/<name> pattern → use the profile name
     profiles_root = (default / "profiles").resolve()
     try:
         rel = home.relative_to(profiles_root)
@@ -287,9 +287,9 @@ def _profile_arg(hermes_home: str | None = None) -> str:
             service definition for a different user (e.g. system service).
     """
     import re
-    from pathlib import Path as _Path
+    from hermes_constants import get_default_hermes_root
     home = Path(hermes_home or str(get_hermes_home())).resolve()
-    default = (_Path.home() / ".hermes").resolve()
+    default = get_default_hermes_root().resolve()
     if home == default:
         return ""
     profiles_root = (default / "profiles").resolve()
diff --git a/hermes_cli/main.py b/hermes_cli/main.py
index 860f74bb5..e1c8cb1cc 100644
--- a/hermes_cli/main.py
+++ b/hermes_cli/main.py
@@ -97,10 +97,11 @@ def _apply_profile_override() -> None:
             consume = 1
             break
 
-    # 2. If no flag, check ~/.hermes/active_profile
+    # 2. If no flag, check active_profile in the hermes root
     if profile_name is None:
         try:
-            active_path = Path.home() / ".hermes" / "active_profile"
+            from hermes_constants import get_default_hermes_root
+            active_path = get_default_hermes_root() / "active_profile"
             if active_path.exists():
                 name = active_path.read_text().strip()
                 if name and name != "default":
@@ -3313,10 +3314,11 @@ def _invalidate_update_cache():
     ``hermes update``, every profile is now current.
     """
     homes = []
-    # Default profile home
-    default_home = Path.home() / ".hermes"
+    # Default profile home (Docker-aware — uses /opt/data in Docker)
+    from hermes_constants import get_default_hermes_root
+    default_home = get_default_hermes_root()
     homes.append(default_home)
-    # Named profiles under ~/.hermes/profiles/
+    # Named profiles under <root>/profiles/
     profiles_root = default_home / "profiles"
     if profiles_root.is_dir():
         for entry in profiles_root.iterdir():
@@ -4053,7 +4055,10 @@ def cmd_profile(args):
             print(f"  {name} chat               Start chatting")
             print(f"  {name} gateway start      Start the messaging gateway")
             if clone or clone_all:
-                profile_dir_display = f"~/.hermes/profiles/{name}"
+                try:
+                    profile_dir_display = "~/" + str(profile_dir.relative_to(Path.home()))
+                except ValueError:
+                    profile_dir_display = str(profile_dir)
                 print(f"\n  Edit {profile_dir_display}/.env for different API keys")
                 print(f"  Edit {profile_dir_display}/SOUL.md for different personality")
             print()
diff --git a/hermes_cli/profiles.py b/hermes_cli/profiles.py
index 9be25e100..75f98b276 100644
--- a/hermes_cli/profiles.py
+++ b/hermes_cli/profiles.py
@@ -115,16 +115,26 @@ _HERMES_SUBCOMMANDS = frozenset({
 def _get_profiles_root() -> Path:
     """Return the directory where named profiles are stored.
 
-    Always ``~/.hermes/profiles/`` — anchored to the user's home,
-    NOT to the current HERMES_HOME (which may itself be a profile).
-    This ensures ``coder profile list`` can see all profiles.
+    Anchored to the hermes root, NOT to the current HERMES_HOME
+    (which may itself be a profile).  This ensures ``coder profile list``
+    can see all profiles.
+
+    In Docker/custom deployments where HERMES_HOME points outside
+    ``~/.hermes``, profiles live under ``HERMES_HOME/profiles/`` so
+    they persist on the mounted volume.
     """
-    return Path.home() / ".hermes" / "profiles"
+    return _get_default_hermes_home() / "profiles"
 
 
 def _get_default_hermes_home() -> Path:
-    """Return the default (pre-profile) HERMES_HOME path."""
-    return Path.home() / ".hermes"
+    """Return the default (pre-profile) HERMES_HOME path.
+
+    In standard deployments this is ``~/.hermes``.
+    In Docker/custom deployments where HERMES_HOME is outside ``~/.hermes``
+    (e.g. ``/opt/data``), returns HERMES_HOME directly.
+    """
+    from hermes_constants import get_default_hermes_root
+    return get_default_hermes_root()
 
 
 def _get_active_profile_path() -> Path:
diff --git a/hermes_constants.py b/hermes_constants.py
index 17584c598..1d06afcc5 100644
--- a/hermes_constants.py
+++ b/hermes_constants.py
@@ -17,6 +17,45 @@ def get_hermes_home() -> Path:
     return Path(os.getenv("HERMES_HOME", Path.home() / ".hermes"))
 
 
+def get_default_hermes_root() -> Path:
+    """Return the root Hermes directory for profile-level operations.
+
+    In standard deployments this is ``~/.hermes``.
+
+    In Docker or custom deployments where ``HERMES_HOME`` points outside
+    ``~/.hermes`` (e.g. ``/opt/data``), returns ``HERMES_HOME`` directly
+    — that IS the root.
+
+    In profile mode where ``HERMES_HOME`` is ``<root>/profiles/<name>``,
+    returns ``<root>`` so that ``profile list`` can see all profiles.
+    Works both for standard (``~/.hermes/profiles/coder``) and Docker
+    (``/opt/data/profiles/coder``) layouts.
+
+    Import-safe — no dependencies beyond stdlib.
+    """
+    native_home = Path.home() / ".hermes"
+    env_home = os.environ.get("HERMES_HOME", "")
+    if not env_home:
+        return native_home
+    env_path = Path(env_home)
+    try:
+        env_path.resolve().relative_to(native_home.resolve())
+        # HERMES_HOME is under ~/.hermes (normal or profile mode)
+        return native_home
+    except ValueError:
+        pass
+
+    # Docker / custom deployment.
+    # Check if this is a profile path: <root>/profiles/<name>
+    # If the immediate parent dir is named "profiles", the root is
+    # the grandparent — this covers Docker profiles correctly.
+    if env_path.parent.name == "profiles":
+        return env_path.parent.parent
+
+    # Not a profile path — HERMES_HOME itself is the root
+    return env_path
+
+
 def get_optional_skills_dir(default: Path | None = None) -> Path:
     """Return the optional-skills directory, honoring package-manager wrappers.
 
diff --git a/tests/hermes_cli/test_gateway_service.py b/tests/hermes_cli/test_gateway_service.py
index 3a543693e..b32c7fe78 100644
--- a/tests/hermes_cli/test_gateway_service.py
+++ b/tests/hermes_cli/test_gateway_service.py
@@ -755,6 +755,7 @@ class TestProfileArg:
         hermes_home = tmp_path / ".hermes"
         hermes_home.mkdir()
         monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(hermes_home))
         result = gateway_cli._profile_arg(str(hermes_home))
         assert result == ""
 
@@ -763,6 +764,7 @@ class TestProfileArg:
         profile_dir = tmp_path / ".hermes" / "profiles" / "mybot"
         profile_dir.mkdir(parents=True)
         monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(tmp_path / ".hermes"))
         result = gateway_cli._profile_arg(str(profile_dir))
         assert result == "--profile mybot"
 
@@ -771,6 +773,7 @@ class TestProfileArg:
         custom_home = tmp_path / "custom" / "hermes"
         custom_home.mkdir(parents=True)
         monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(tmp_path / ".hermes"))
         result = gateway_cli._profile_arg(str(custom_home))
         assert result == ""
 
@@ -779,6 +782,7 @@ class TestProfileArg:
         nested = tmp_path / ".hermes" / "profiles" / "mybot" / "subdir"
         nested.mkdir(parents=True)
         monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(tmp_path / ".hermes"))
         result = gateway_cli._profile_arg(str(nested))
         assert result == ""
 
@@ -787,6 +791,7 @@ class TestProfileArg:
         bad_profile = tmp_path / ".hermes" / "profiles" / "My Bot!"
         bad_profile.mkdir(parents=True)
         monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(tmp_path / ".hermes"))
         result = gateway_cli._profile_arg(str(bad_profile))
         assert result == ""
 
diff --git a/tests/hermes_cli/test_profiles.py b/tests/hermes_cli/test_profiles.py
index 50b5e2311..c970cb6c5 100644
--- a/tests/hermes_cli/test_profiles.py
+++ b/tests/hermes_cli/test_profiles.py
@@ -293,12 +293,16 @@ class TestGetActiveProfileName:
         monkeypatch.setenv("HERMES_HOME", str(profile_dir))
         assert get_active_profile_name() == "coder"
 
-    def test_custom_path_returns_custom(self, profile_env, monkeypatch):
+    def test_custom_path_returns_default(self, profile_env, monkeypatch):
+        """A custom HERMES_HOME (Docker, etc.) IS the default root."""
         tmp_path = profile_env
         custom = tmp_path / "some" / "other" / "path"
         custom.mkdir(parents=True)
         monkeypatch.setenv("HERMES_HOME", str(custom))
-        assert get_active_profile_name() == "custom"
+        # With Docker-aware roots, a custom HERMES_HOME is the default —
+        # not "custom".  The user is on the default profile of their
+        # custom deployment.
+        assert get_active_profile_name() == "default"
 
 
 # ===================================================================
@@ -706,6 +710,72 @@ class TestInternalHelpers:
         home = _get_default_hermes_home()
         assert home == tmp_path / ".hermes"
 
+    def test_profiles_root_docker_deployment(self, tmp_path, monkeypatch):
+        """In Docker (HERMES_HOME outside ~/.hermes), profiles go under HERMES_HOME."""
+        docker_home = tmp_path / "opt" / "data"
+        docker_home.mkdir(parents=True)
+        monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(docker_home))
+        root = _get_profiles_root()
+        assert root == docker_home / "profiles"
+
+    def test_default_hermes_home_docker(self, tmp_path, monkeypatch):
+        """In Docker, _get_default_hermes_home() returns HERMES_HOME itself."""
+        docker_home = tmp_path / "opt" / "data"
+        docker_home.mkdir(parents=True)
+        monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(docker_home))
+        home = _get_default_hermes_home()
+        assert home == docker_home
+
+    def test_profiles_root_profile_mode(self, tmp_path, monkeypatch):
+        """In profile mode (HERMES_HOME under ~/.hermes), profiles root is still ~/.hermes/profiles."""
+        native = tmp_path / ".hermes"
+        profile_dir = native / "profiles" / "coder"
+        profile_dir.mkdir(parents=True)
+        monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(profile_dir))
+        root = _get_profiles_root()
+        assert root == native / "profiles"
+
+    def test_active_profile_path_docker(self, tmp_path, monkeypatch):
+        """In Docker, active_profile file lives under HERMES_HOME."""
+        from hermes_cli.profiles import _get_active_profile_path
+        docker_home = tmp_path / "opt" / "data"
+        docker_home.mkdir(parents=True)
+        monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(docker_home))
+        path = _get_active_profile_path()
+        assert path == docker_home / "active_profile"
+
+    def test_create_profile_docker(self, tmp_path, monkeypatch):
+        """Profile created in Docker lands under HERMES_HOME/profiles/."""
+        docker_home = tmp_path / "opt" / "data"
+        docker_home.mkdir(parents=True)
+        monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(docker_home))
+        result = create_profile("orchestrator", no_alias=True)
+        expected = docker_home / "profiles" / "orchestrator"
+        assert result == expected
+        assert expected.is_dir()
+
+    def test_active_profile_name_docker_default(self, tmp_path, monkeypatch):
+        """In Docker (no profile active), get_active_profile_name() returns 'default'."""
+        docker_home = tmp_path / "opt" / "data"
+        docker_home.mkdir(parents=True)
+        monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(docker_home))
+        assert get_active_profile_name() == "default"
+
+    def test_active_profile_name_docker_profile(self, tmp_path, monkeypatch):
+        """In Docker with a profile active, get_active_profile_name() returns the profile name."""
+        docker_home = tmp_path / "opt" / "data"
+        profile = docker_home / "profiles" / "orchestrator"
+        profile.mkdir(parents=True)
+        monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(profile))
+        assert get_active_profile_name() == "orchestrator"
+
 
 # ===================================================================
 # Edge cases and additional coverage
diff --git a/tests/hermes_cli/test_update_check.py b/tests/hermes_cli/test_update_check.py
index 368bb1b07..84d547522 100644
--- a/tests/hermes_cli/test_update_check.py
+++ b/tests/hermes_cli/test_update_check.py
@@ -1,6 +1,7 @@
 """Tests for the update check mechanism in hermes_cli.banner."""
 
 import json
+import os
 import threading
 import time
 from pathlib import Path
@@ -144,7 +145,8 @@ def test_invalidate_update_cache_clears_all_profiles(tmp_path):
         p.mkdir(parents=True)
         (p / ".update_check").write_text('{"ts":1,"behind":50}')
 
-    with patch.object(Path, "home", return_value=tmp_path):
+    with patch.object(Path, "home", return_value=tmp_path), \
+         patch.dict(os.environ, {"HERMES_HOME": str(default_home)}):
         _invalidate_update_cache()
 
     # All three caches should be gone
@@ -161,7 +163,8 @@ def test_invalidate_update_cache_no_profiles_dir(tmp_path):
     default_home.mkdir()
     (default_home / ".update_check").write_text('{"ts":1,"behind":5}')
 
-    with patch.object(Path, "home", return_value=tmp_path):
+    with patch.object(Path, "home", return_value=tmp_path), \
+         patch.dict(os.environ, {"HERMES_HOME": str(default_home)}):
         _invalidate_update_cache()
 
     assert not (default_home / ".update_check").exists()
diff --git a/tests/test_hermes_constants.py b/tests/test_hermes_constants.py
new file mode 100644
index 000000000..b3438596b
--- /dev/null
+++ b/tests/test_hermes_constants.py
@@ -0,0 +1,62 @@
+"""Tests for hermes_constants module."""
+
+import os
+from pathlib import Path
+from unittest.mock import patch
+
+import pytest
+
+from hermes_constants import get_default_hermes_root
+
+
+class TestGetDefaultHermesRoot:
+    """Tests for get_default_hermes_root() — Docker/custom deployment awareness."""
+
+    def test_no_hermes_home_returns_native(self, tmp_path, monkeypatch):
+        """When HERMES_HOME is not set, returns ~/.hermes."""
+        monkeypatch.delenv("HERMES_HOME", raising=False)
+        monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        assert get_default_hermes_root() == tmp_path / ".hermes"
+
+    def test_hermes_home_is_native(self, tmp_path, monkeypatch):
+        """When HERMES_HOME = ~/.hermes, returns ~/.hermes."""
+        native = tmp_path / ".hermes"
+        native.mkdir()
+        monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(native))
+        assert get_default_hermes_root() == native
+
+    def test_hermes_home_is_profile(self, tmp_path, monkeypatch):
+        """When HERMES_HOME is a profile under ~/.hermes, returns ~/.hermes."""
+        native = tmp_path / ".hermes"
+        profile = native / "profiles" / "coder"
+        profile.mkdir(parents=True)
+        monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(profile))
+        assert get_default_hermes_root() == native
+
+    def test_hermes_home_is_docker(self, tmp_path, monkeypatch):
+        """When HERMES_HOME points outside ~/.hermes (Docker), returns HERMES_HOME."""
+        docker_home = tmp_path / "opt" / "data"
+        docker_home.mkdir(parents=True)
+        monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(docker_home))
+        assert get_default_hermes_root() == docker_home
+
+    def test_hermes_home_is_custom_path(self, tmp_path, monkeypatch):
+        """Any HERMES_HOME outside ~/.hermes is treated as the root."""
+        custom = tmp_path / "my-hermes-data"
+        custom.mkdir()
+        monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(custom))
+        assert get_default_hermes_root() == custom
+
+    def test_docker_profile_active(self, tmp_path, monkeypatch):
+        """When a Docker profile is active (HERMES_HOME=<root>/profiles/<name>),
+        returns the Docker root, not the profile dir."""
+        docker_root = tmp_path / "opt" / "data"
+        profile = docker_root / "profiles" / "coder"
+        profile.mkdir(parents=True)
+        monkeypatch.setattr(Path, "home", lambda: tmp_path)
+        monkeypatch.setenv("HERMES_HOME", str(profile))
+        assert get_default_hermes_root() == docker_root