.env

@@ -0,0 +1,8 @@
+# Backend
+DEBUG=0
+MAX_UPLOAD_SIZE_MB=500
+TEMP_DIR=/tmp/audio_splitter_web
+CLEANUP_AFTER_SECONDS=3600
+
+# Frontend (development)
+VITE_BACKEND_URL=http://localhost:8000

docker-compose.yaml

@@ -0,0 +1,29 @@
+services:
+  backend:
+    build:
+      context: .                      # Project root (contains audio_splitter/)
+      dockerfile: web/backend/Dockerfile
+    ports:
+      - "8000:8000"
+    volumes:
+      - /tmp/audio_splitter_web:/tmp/audio_splitter_web
+    environment:
+      - PYTHONUNBUFFERED=1
+      - DEBUG=1
+    restart: unless-stopped
+
+  frontend:
+    build:
+      context: ./web/frontend
+      dockerfile: Dockerfile.dev
+    ports:
+      - "5173:5173"
+    volumes:
+      - ./web/frontend:/app
+      - /app/node_modules
+    environment:
+      - BACKEND_URL=http://backend:8000
+      - VITE_BACKEND_URL=http://backend:8000
+    depends_on:
+      - backend
+    restart: unless-stopped

web/backend/.dockerignore

@@ -0,0 +1,18 @@
+__pycache__
+*.pyc
+*.pyo
+*.pyd
+.Python
+*.so
+*.egg
+*.egg-info
+dist
+build
+.venv
+venv
+.env
+.git
+.gitignore
+README.md
+Dockerfile
+.dockerignore

web/backend/Dockerfile

@@ -0,0 +1,54 @@
+FROM python:3.13-slim
+
+# Install FFmpeg and system dependencies
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+        ffmpeg \
+        ca-certificates \
+        && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+# Set Python environment variables
+ENV PYTHONDONTWRITEBYTECODE=1 \
+    PYTHONUNBUFFERED=1
+
+# Set working directory
+WORKDIR /app
+
+# ------------------------------------------------------------
+# Copy and install Python dependencies
+# ------------------------------------------------------------
+COPY web/backend/requirements-web.txt .
+RUN pip install --no-cache-dir -r requirements-web.txt
+
+# ------------------------------------------------------------
+# Copy the backend application code
+# ------------------------------------------------------------
+COPY web/backend /app/backend
+
+# ------------------------------------------------------------
+# Copy and install the audio_splitter package
+# ------------------------------------------------------------
+COPY audio_splitter /app/audio_splitter
+COPY setup.py pyproject.toml README.md /app/
+
+# Install audio_splitter as a package
+RUN pip install --no-cache-dir /app
+
+# ------------------------------------------------------------
+# Create a non-root user
+# ------------------------------------------------------------
+RUN addgroup --system --gid 1000 appgroup && \
+    adduser --system --uid 1000 --ingroup appgroup appuser && \
+    chown -R appuser:appgroup /app
+
+USER appuser
+
+# ------------------------------------------------------------
+# Expose port and start
+# ------------------------------------------------------------
+EXPOSE 8000
+
+# PYTHONPATH is already /app by default because we set WORKDIR /app
+CMD ["uvicorn", "backend.main:app", "--host", "0.0.0.0", "--port", "8000"]

web/backend/main.py

@@ -7,7 +7,7 @@ from fastapi.middleware.cors import CORSMiddleware
 from backend.config import settings
 from backend.api import upload, split, status, download
 from backend.api.websocket import router as websocket_router
-from backend.services import progress_publisher  # Import the module
+from backend.services import progress_publisher
 
 app = FastAPI(
     title="Audio Splitter Web API",
@@ -24,9 +24,12 @@ app.add_middleware(
     allow_headers=["*"],
 )
 
-# Store the main event loop in the progress_publisher module
+
-# This avoids a circular import
+@app.on_event("startup")
-progress_publisher.MAIN_LOOP = asyncio.get_running_loop()
+async def startup_event():
+    """Store the main event loop for use in other threads."""
+    progress_publisher.MAIN_LOOP = asyncio.get_running_loop()
+
 
 # Include routers
 app.include_router(upload.router)

web/backend/requirements-web.txt

@@ -0,0 +1,8 @@
+fastapi>=0.104.0
+uvicorn[standard]>=0.24.0
+python-multipart>=0.0.6
+aiofiles>=23.2.0
+pydantic>=2.5.0
+pydantic-settings>=2.0.0
+python-dotenv>=1.0.0
+websockets>=12.0

web/backend/services/progress_publisher.py

@@ -5,7 +5,7 @@ from typing import Dict, Set
 
 from fastapi import WebSocket
 
-# This will be set by main.py when the app starts
+# This will be set by main.py during startup
 MAIN_LOOP = None
 
 active_connections: Dict[str, Set[WebSocket]] = {}
@@ -29,13 +29,19 @@ def publish_progress(task_id: str, progress: int, message: str, status: str = "p
     }
 
     to_remove = set()
+    # Get the loop to use: either the stored one or try to get the current loop
+    loop = MAIN_LOOP
+    if loop is None:
+        try:
+            loop = asyncio.get_running_loop()
+        except RuntimeError:
+            # No running loop, fallback to default event loop
+            loop = asyncio.get_event_loop()
+
     for websocket in active_connections.get(task_id, set()):
         try:
-            # Use the stored main loop, or fallback to getting the current loop
-            loop = MAIN_LOOP or asyncio.get_running_loop()
             asyncio.run_coroutine_threadsafe(websocket.send_json(data), loop)
         except Exception:
-            # Client disconnected or other error
             to_remove.add(websocket)
 
     # Clean up disconnected clients

web/frontend/.dockerignore

@@ -0,0 +1,12 @@
+node_modules
+dist
+.git
+.gitignore
+*.log
+.env
+.env.local
+.DS_Store
+Dockerfile
+Dockerfile.dev
+.dockerignore
+nginx.conf

web/frontend/Dockerfile

@@ -0,0 +1,27 @@
+# Stage 1: Build
+FROM node:20-alpine AS builder
+
+WORKDIR /app
+
+# Install dependencies
+COPY package.json package-lock.json* ./
+RUN npm install
+
+# Copy the application code and build
+COPY . .
+RUN npm run build
+
+# Stage 2: Production (nginx)
+FROM nginx:alpine
+
+# Copy built assets from builder
+COPY --from=builder /app/dist /usr/share/nginx/html
+
+# Copy nginx configuration
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+
+# Expose the port
+EXPOSE 80
+
+# Start nginx
+CMD ["nginx", "-g", "daemon off;"]

web/frontend/Dockerfile.dev

@@ -0,0 +1,17 @@
+FROM node:20-alpine
+
+# Set working directory
+WORKDIR /app
+
+# Install dependencies
+COPY package.json package-lock.json* ./
+RUN npm install
+
+# Copy the application code
+COPY . .
+
+# Expose the port
+EXPOSE 5173
+
+# Start the development server
+CMD ["npm", "run", "dev", "--", "--host", "0.0.0.0"]

web/frontend/vite.config.ts

@@ -1,18 +1,23 @@
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 
+// Backend URL for proxy (default to localhost for local dev)
+const BACKEND_URL = process.env.BACKEND_URL || 'http://localhost:8000'
+
 export default defineConfig({
   plugins: [react()],
   server: {
     proxy: {
       '/api': {
-        target: 'http://localhost:8000',
+        target: BACKEND_URL,
         changeOrigin: true,
+        secure: false,
       },
       '/ws': {
-        target: 'ws://localhost:8000',
+        target: BACKEND_URL.replace(/^http/, 'ws'),
         ws: true,
         changeOrigin: true,
+        secure: false,
       },
     },
   },

web/nginx/nginx.conf

@@ -0,0 +1,34 @@
+server {
+    listen 80;
+    server_name _;
+
+    # Root directory for static files
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # Serve React app
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    # Proxy API requests to backend
+    location /api/ {
+        proxy_pass http://backend:8000/api/;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+
+    # Proxy WebSocket requests to backend
+    location /ws/ {
+        proxy_pass http://backend:8000/ws/;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+}