Add Google OAuth configuration and enhance API functionality

- Updated .env.example with WEB_GOOGLE_CLIENT_ID and WEB_GOOGLE_CLIENT_SECRET for Google OAuth.
- Modified README.md to reflect changes in docker-compose for unified web and API deployment.
- Enhanced auth.py to support NextAuth JWT session cookies.
- Improved main.py with lifespan management and additional API endpoints.
- Added mod_overview endpoint in mod.py for MOD panel statistics.
- Updated docker-compose.yml for local API and web service configurations.

docker-compose.yml

@@ -16,12 +16,58 @@ services:
       timeout: 5s
       retries: 5
       start_period: 20s
+
+  # Local mode API: binds to local Postgres/Mongo containers.
+  api-local:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    image: reader-api:latest
+    container_name: reader-api-local
+    profiles: ["localdb"]
+    env_file:
+      - .env
+    environment:
+      DATABASE_URL: postgresql://reader:reader@postgres:5432/reader
+      MONGODB_URI: mongodb://mongo:27017/reader
+    ports:
+      - "8001:8000"
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8000/api/health').read()"]
+      interval: 30s
+      timeout: 5s
+      retries: 5
+      start_period: 20s
     depends_on:
       postgres:
         condition: service_healthy
       mongo:
         condition: service_healthy
 
+  web:
+    build:
+      context: ../reader
+      dockerfile: Dockerfile
+    image: reader-web:latest
+    container_name: reader-web
+    environment:
+      NODE_ENV: production
+      PORT: 3000
+      READER_API_ORIGIN: http://api:8000
+      NEXTAUTH_URL: ${NEXTAUTH_URL:-http://localhost:3000}
+      NEXTAUTH_SECRET: ${NEXTAUTH_SECRET}
+      GOOGLE_CLIENT_ID: ${WEB_GOOGLE_CLIENT_ID}
+      GOOGLE_CLIENT_SECRET: ${WEB_GOOGLE_CLIENT_SECRET}
+    ports:
+      - "3000:3000"
+    volumes:
+      - web_uploads:/app/public/uploads
+    restart: unless-stopped
+    depends_on:
+      api:
+        condition: service_healthy
+
   postgres:
     image: postgres:16-alpine
     container_name: reader-api-postgres
@@ -55,5 +101,6 @@ services:
       retries: 10
 
 volumes:
+  web_uploads:
   postgres_data:
   mongo_data: