Fix return code of vite build management command

CHANGELOG.rst

@@ -6,6 +6,15 @@ All notable changes to this project will be documented in this file.
 The format is based on `Keep a Changelog`_,
 and this project adheres to `Semantic Versioning`_.
 
+Unreleased
+----------
+
+Fixed
+~~~~~
+
+* [Docker] The build could silently continue even if frontend bundling failed, resulting
+  in an incomplete AlekSIS frontend app.
+
 `3.1.2`_ - 2023-07-05
 ---------------------
 

aleksis/core/management/commands/vite.py

 import os
 
 from django.conf import settings
+from django.core.management.base import CommandError
 
 from django_yarnpkg.management.base import BaseYarnCommand
 from django_yarnpkg.yarn import yarn_adapter
@@ -26,4 +27,6 @@ class Command(BaseYarnCommand):
             yarn_adapter.install(settings.YARN_INSTALLED_APPS)
 
         # Run Vite build
-        run_vite([options["command"]])
+        ret = run_vite([options["command"]])
+        if ret != 0:
+            raise CommandError("yarn command failed", returncode=ret)

aleksis/core/util/frontend_helpers.py

@@ -49,7 +49,7 @@ def write_vite_values(out_path: str) -> dict[str, Any]:
         json.dump(vite_values, out)
 
 
-def run_vite(args: Optional[Sequence[str]] = None) -> None:
+def run_vite(args: Optional[Sequence[str]] = None) -> int:
     args = list(args) if args else []
 
     config_path = os.path.join(settings.BASE_DIR, "aleksis", "core", "vite.config.js")
@@ -64,7 +64,7 @@ def run_vite(args: Optional[Sequence[str]] = None) -> None:
     log_level = {"INFO": "info", "WARNING": "warn", "ERROR": "error"}.get(log_level, "silent")
     args += ["-l", log_level]
 
-    yarn_adapter.call_yarn(["run", "vite"] + args)
+    return yarn_adapter.call_yarn(["run", "vite"] + args)
 
 
 def get_language_cookie(code: str) -> str: