cli-74: seperate dev instances by prefixing with name

backend/apps/dev_combined.py

@@ -17,6 +17,7 @@
 """
 
 import logging
+import os
 import modal
 
 from shared.config import get_environment, get_secrets
@@ -37,10 +38,25 @@
         f"Current environment: {env}. Use separate apps for staging/prod."
     )
 
-logger.info("Starting Combined Dev App - all services in one app for local iteration")
+# Get dev name prefix (required in dev mode to avoid naming conflicts)
+# Only validate locally - Modal containers re-import but don't need DEV_NAME
+# since the app name is already determined by the local import
+dev_name = os.environ.get("DEV_NAME")
+if not dev_name:
+    if modal.is_local():
+        raise ValueError(
+            "DEV_NAME environment variable is required for dev mode. "
+            "Run with: uv run dev <name>"
+        )
+    else:
+        # Inside Modal container - use placeholder (app name already set)
+        dev_name = "container"
+
+app_name = f"{dev_name}-{env}-server"
+logger.info(f"Starting Combined Dev App '{app_name}' - all services in one app for local iteration")
 
 app = modal.App(
-    name=f"{env}-server",
+    name=app_name,
     image=get_dev_image(),
     secrets=[get_secrets()]
 )

backend/cli.py

@@ -1,5 +1,6 @@
 """CLI for serving Modal apps locally."""
 
+import os
 import signal
 import subprocess
 import sys
@@ -31,16 +32,33 @@ def _prefix_output(process, name, color):
 def serve_all():
     """
     Serve the combined dev app (all services in one).
-    
+
     For local development, we use dev_combined.py which includes
     Server, Search, and Processing in a single Modal app.
     This allows hot-reload on all services without cross-app lookup issues.
+
+    Usage: uv run dev <name>
+
+    The name parameter is required and will prefix the Modal app name
+    to avoid conflicts when multiple developers run dev instances.
     """
-    print("Starting combined dev app (all services in one)...\n")
-    print(f"  \033[32m●{RESET} dev-combined (server + search + processing)\n")
+    if len(sys.argv) < 2:
+        print("Error: Name parameter is required for dev mode.")
+        print("Usage: uv run dev <name>")
+        print("\nExample: uv run dev john")
+        print("This creates a Modal app named 'john-dev-server'")
+        sys.exit(1)
+
+    dev_name = sys.argv[1]
+
+    # Set environment variable for the Modal app to read
+    os.environ["DEV_NAME"] = dev_name
+
+    print(f"Starting combined dev app for '{dev_name}'...\n")
+    print(f"  \033[32m●{RESET} {dev_name}-dev-server (server + search + processing)\n")
     print("Note: For staging/prod, deploy individual apps separately.\n")
     print("-" * 60 + "\n")
-    
+
     # Run with color-coded output prefixing
     color = "\033[32m"  # Green for combined dev app
     process = subprocess.Popen(
@@ -49,18 +67,19 @@ def serve_all():
         stderr=subprocess.STDOUT,
         text=True,
         bufsize=1,
+        env={**os.environ, "DEV_NAME": dev_name},
     )
-    
+
     # Handle graceful shutdown
     def signal_handler(sig, frame):
         process.terminate()
         sys.exit(0)
-    
+
     signal.signal(signal.SIGINT, signal_handler)
     signal.signal(signal.SIGTERM, signal_handler)
-    
+
     # Stream output with color prefix
-    _prefix_output(process, "dev", color)
+    _prefix_output(process, dev_name, color)
     process.wait()
 
 

backend/services/http_server.py

@@ -92,7 +92,7 @@ def create_fastapi_app(self, processing_service_cls=None):
 
         self.fastapi_app = FastAPI(title="Clipabit Server")
 
-        # Add CORS middleware for testing
+        # Add CORS middleware
         self.fastapi_app.add_middleware(
             CORSMiddleware,
             allow_origins=["*"],

frontend/streamlit/cli.py

@@ -1,7 +1,31 @@
+import os
 import subprocess
+import sys
 from pathlib import Path
 
 
 def serve() -> None:
+    """
+    Serve the Streamlit frontend.
+
+    Usage: uv run dev <name>
+
+    The name parameter is required in dev mode and must match the backend
+    dev name to connect to the correct Modal app URLs.
+    """
+    env = os.environ.get("ENVIRONMENT", "dev")
+
+    if env == "dev":
+        if len(sys.argv) < 2:
+            print("Error: Name parameter is required for dev mode.")
+            print("Usage: uv run dev <name>")
+            print("\nExample: uv run dev john")
+            print("This connects to the Modal app named 'john-dev-server'")
+            sys.exit(1)
+
+        dev_name = sys.argv[1]
+        os.environ["DEV_NAME"] = dev_name
+        print(f"Starting frontend for dev instance '{dev_name}'...")
+
     app_path = Path(__file__).resolve().parent / "app.py"
     subprocess.run(["streamlit", "run", str(app_path)], check=True)

frontend/streamlit/config.py

@@ -23,7 +23,15 @@ class Config:
     if ENVIRONMENT not in ["dev", "prod", "staging"]:
         raise ValueError(f"Invalid ENVIRONMENT value: {ENVIRONMENT}. Must be one of: dev, prod, staging")
 
-    print(f"Running in {ENVIRONMENT} environment")
+    # Dev name prefix (required in dev mode to avoid naming conflicts)
+    DEV_NAME = os.environ.get("DEV_NAME", "")
+    if ENVIRONMENT == "dev" and not DEV_NAME:
+        raise ValueError(
+            "DEV_NAME environment variable is required for dev mode. "
+            "Run with: uv run dev <name>"
+        )
+
+    print(f"Running in {ENVIRONMENT} environment" + (f" (dev instance: {DEV_NAME})" if DEV_NAME else ""))
 
     # Modal app name (matches backend app name)
     APP_NAME = f"clipabit-{ENVIRONMENT}"
@@ -32,12 +40,14 @@ class Config:
     url_portion = "dev" if ENVIRONMENT == "dev" else ""
     url_portion2 = "-dev" if ENVIRONMENT == "dev" else ""
 
+    # App name prefix for dev mode (e.g., "john-dev" instead of "dev")
+    app_prefix = f"{DEV_NAME}-{ENVIRONMENT}" if ENVIRONMENT == "dev" else ENVIRONMENT
 
     # Server API URL (handles upload, status, videos, delete, cache)
-    SERVER_BASE_URL = f"https://clipabit01--{ENVIRONMENT}-server-{url_portion}server-asgi-app{url_portion2}.modal.run"
+    SERVER_BASE_URL = f"https://clipabit01--{app_prefix}-server-{url_portion}server-asgi-app{url_portion2}.modal.run"
 
     # Search API URL (in dev its server-searchservice-asgi-app, else its search-searchservice-asgi-app)
-    SEARCH_BASE_URL = f"https://clipabit01--{ENVIRONMENT}-{"server" if ENVIRONMENT == "dev" else "search"}-searchservice-asgi-app{url_portion2}.modal.run"
+    SEARCH_BASE_URL = f"https://clipabit01--{app_prefix}-{"server" if ENVIRONMENT == "dev" else "search"}-searchservice-asgi-app{url_portion2}.modal.run"
 
     # API Endpoints
     SERVER_UPLOAD_URL = f"{SERVER_BASE_URL}/upload"