diff --git a/homeassistant/components/homeassistant/__init__.py b/homeassistant/components/homeassistant/__init__.py
index 4360fa9c16e..96bb68bfb65 100644
--- a/homeassistant/components/homeassistant/__init__.py
+++ b/homeassistant/components/homeassistant/__init__.py
@@ -7,7 +7,6 @@ import logging
 import struct
 from typing import Any
 
-import aiofiles
 import voluptuous as vol
 
 from homeassistant import config as conf_util, core_config
@@ -101,12 +100,6 @@ def _is_32_bit() -> bool:
     return size * 8 == 32
 
 
-async def _get_arch() -> str:
-    async with aiofiles.open("/etc/apk/arch") as arch_file:
-        raw_arch = (await arch_file.read()).strip()
-    return {"x86": "i386", "x86_64": "amd64"}.get(raw_arch, raw_arch)
-
-
 async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:  # noqa: C901
     """Set up general services related to Home Assistant."""
 
@@ -419,7 +412,7 @@ async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:  # noqa:
         bit32 = _is_32_bit()
         arch = info["arch"]
         if bit32 and installation_type == "Container":
-            arch = await _get_arch()
+            arch = info.get("container_arch", arch)
             ir.async_create_issue(
                 hass,
                 DOMAIN,
diff --git a/homeassistant/components/homeassistant/strings.json b/homeassistant/components/homeassistant/strings.json
index 940af999c4d..7c95680076c 100644
--- a/homeassistant/components/homeassistant/strings.json
+++ b/homeassistant/components/homeassistant/strings.json
@@ -124,6 +124,7 @@
     "info": {
       "arch": "CPU architecture",
       "config_dir": "Configuration directory",
+      "container_arch": "Container architecture",
       "dev": "Development",
       "docker": "Docker",
       "hassio": "Supervisor",
diff --git a/homeassistant/components/homeassistant/system_health.py b/homeassistant/components/homeassistant/system_health.py
index 8a51b9cd418..3f98c5ae6e0 100644
--- a/homeassistant/components/homeassistant/system_health.py
+++ b/homeassistant/components/homeassistant/system_health.py
@@ -27,6 +27,7 @@ async def system_health_info(hass: HomeAssistant) -> dict[str, Any]:
         "dev": info.get("dev"),
         "hassio": info.get("hassio"),
         "docker": info.get("docker"),
+        "container_arch": info.get("container_arch"),
         "user": info.get("user"),
         "virtualenv": info.get("virtualenv"),
         "python_version": info.get("python_version"),
diff --git a/homeassistant/helpers/system_info.py b/homeassistant/helpers/system_info.py
index 30b7616319d..1baec4df052 100644
--- a/homeassistant/helpers/system_info.py
+++ b/homeassistant/helpers/system_info.py
@@ -21,6 +21,7 @@ from .singleton import singleton
 _LOGGER = logging.getLogger(__name__)
 
 _DATA_MAC_VER = "system_info_mac_ver"
+_DATA_CONTAINER_ARCH = "system_info_container_arch"
 
 
 @singleton(_DATA_MAC_VER)
@@ -29,6 +30,22 @@ async def async_get_mac_ver(hass: HomeAssistant) -> str:
     return (await hass.async_add_executor_job(platform.mac_ver))[0]
 
 
+@singleton(_DATA_CONTAINER_ARCH)
+async def async_get_container_arch(hass: HomeAssistant) -> str:
+    """Return the container architecture."""
+
+    def _read_arch_file() -> str:
+        """Read the architecture from /etc/apk/arch."""
+        with open("/etc/apk/arch", encoding="utf-8") as arch_file:
+            return arch_file.read().strip()
+
+    try:
+        raw_arch = await hass.async_add_executor_job(_read_arch_file)
+    except FileNotFoundError:
+        return "unknown"
+    return {"x86": "i386", "x86_64": "amd64"}.get(raw_arch, raw_arch)
+
+
 # Cache the result of getuser() because it can call getpwuid() which
 # can do blocking I/O to look up the username in /etc/passwd.
 cached_get_user = cache(getuser)
@@ -79,6 +96,7 @@ async def async_get_system_info(hass: HomeAssistant) -> dict[str, Any]:
     if info_object["docker"]:
         if info_object["user"] == "root" and is_official_image():
             info_object["installation_type"] = "Home Assistant Container"
+            info_object["container_arch"] = await async_get_container_arch(hass)
         else:
             info_object["installation_type"] = "Unsupported Third Party Container"
 
diff --git a/tests/components/homeassistant/test_init.py b/tests/components/homeassistant/test_init.py
index 0779339cf65..2f89d9ae2df 100644
--- a/tests/components/homeassistant/test_init.py
+++ b/tests/components/homeassistant/test_init.py
@@ -738,6 +738,7 @@ async def test_deprecated_installation_issue_32bit(
             "homeassistant.components.homeassistant.async_get_system_info",
             return_value={
                 "installation_type": "Home Assistant Container",
+                "container_arch": arch,
                 "arch": arch,
             },
         ),
@@ -745,10 +746,6 @@ async def test_deprecated_installation_issue_32bit(
             "homeassistant.components.homeassistant._is_32_bit",
             return_value=True,
         ),
-        patch(
-            "homeassistant.components.homeassistant._get_arch",
-            return_value=arch,
-        ),
     ):
         assert await async_setup_component(hass, DOMAIN, {})
         await hass.async_block_till_done()