Use dev port as default fallback in vite-plugin-fastapi, instead of default port. No effect on invocations via devserver script.

fastapi-vue/fastapi_vue/staticfiles.py

@@ -276,6 +276,6 @@ def _devmode_respond(request: Request, name=""):
     return JSONResponse(
         status_code=409,
         content={
-            "detail": "Frontend assets served by Vite in debug mode. You are on backend, connect to frontend instead."
+            "detail": "[devmode] Not serving frontend files here. Should you connect to Vite instead?"
         },
     )

fastapi_vue_setup.py

@@ -50,7 +50,18 @@ def ruff_format_content(content: str, target_path: Path) -> str:
         temp_file.write_text(content, "UTF-8", newline="\n")
         # Sort imports first
         subprocess.run(
-            ["uv", "run", "--with", "ruff", "ruff", "check", "--select", "I", "--fix", str(temp_file)],
+            [
+                "uv",
+                "run",
+                "--with",
+                "ruff",
+                "ruff",
+                "check",
+                "--select",
+                "I",
+                "--fix",
+                str(temp_file),
+            ],
             cwd=target_path.parent,
             capture_output=True,
         )

template/backend/__main__.py

@@ -5,7 +5,7 @@ import os
 from fastapi_vue import server
 
 DEFAULT_PORT = TEMPLATE_DEFAULT_PORT
-DEVMODE = bool(os.getenv("ENVPREFIX_DEV") == "1")
+DEVMODE = os.getenv("ENVPREFIX_DEV") == "1"
 
 
 def main():

template/frontend/vite-plugin-fastapi.js

@@ -11,7 +11,7 @@
  */
 
 export default function fastapiVue({ paths = ["/api"] } = {}) {
-  const backendUrl = process.env.ENVPREFIX_BACKEND_URL || "http://localhost:TEMPLATE_DEFAULT_PORT"
+  const backendUrl = process.env.ENVPREFIX_BACKEND_URL || "http://localhost:TEMPLATE_DEV_PORT"
 
   // Build proxy configuration for each path
   const proxy = {}

template/scripts/devserver.py

@@ -56,7 +56,8 @@ def main():
         epilog=HELP_EPILOG,
     )
     parser.add_argument(
-        "-l", "--listen",
+        "-l",
+        "--listen",
         metavar="host:port",
         help=f"Vite (default: localhost:{DEFAULT_VITE_PORT})",
     )