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# AI 知识库系统环境配置模板
# 复制此文件为 .env 并填入实际值
# ==================== 应用配置 ====================
APP_NAME=AI Knowledge Base
APP_ENV=development
DEBUG=true
LOG_LEVEL=INFO
# ==================== API 配置 ====================
API_HOST=0.0.0.0
API_PORT=8000
API_VERSION=v1
# ==================== 数据库配置 ====================
# PostgreSQL 数据库
DATABASE_URL=postgresql+asyncpg://postgres:postgres@localhost:5432/ai_knowledge_base
# ==================== 向量数据库配置 ====================
# ChromaDB
CHROMADB_URL=http://localhost:8001
CHROMADB_COLLECTION=knowledge_base
# ==================== AI 模型配置 ====================
# 阿里云 DashScope API(通义千问)
# 获取 API Key: https://bailian.console.aliyun.com/
DASHSCOPE_API_KEY=sk-0a68712def5c4a759b450f5f02630d6d
# API 基础 URL(阿里云兼容 OpenAI 格式)
API_BASE_URL=https://dashscope.aliyuncs.com/compatible-mode/v1
# LLM 模型(用于问答,可选:qwen-plus, qwen-max, qwen-turbo)
LLM_MODEL=qwen-plus
# Embedding 模型(阿里云)
# text-embedding-v3: 1536维,中文效果好
# text-embedding-v2: 1536维
# text-embedding-v1: 1024维
EMBEDDING_MODEL=text-embedding-v3
# 向量化批处理大小(阿里云支持 25)
EMBEDDING_BATCH_SIZE=25
# ==================== Redis 配置 ====================
# 用于 Celery 任务队列和缓存
REDIS_URL=redis://localhost:6379/0
# ==================== Celery 配置 ====================
CELERY_BROKER_URL=redis://localhost:6379/1
CELERY_RESULT_BACKEND=redis://localhost:6379/2
# ==================== 文档处理配置 ====================
# 存储类型: local(本地文件系统)或 minio(MinIO 对象存储)
STORAGE_TYPE=minio
# 本地存储配置(STORAGE_TYPE=local 时使用)
DOCS_STORAGE_PATH=./data/documents
# MinIO 对象存储配置(STORAGE_TYPE=minio 时使用)
MINIO_ENDPOINT=localhost:9000
MINIO_ACCESS_KEY=admin
MINIO_SECRET_KEY=admin232918
MINIO_BUCKET=documents
MINIO_SECURE=false
# 支持的文档类型
SUPPORTED_FILE_TYPES=pdf,docx,txt,md
# 最大文件大小(字节)50MB
MAX_FILE_SIZE=52428800
# ==================== RAG 配置 ====================
# 检索参数
CHUNK_SIZE=512
CHUNK_OVERLAP=50
TOP_K_RESULTS=5
RETRIEVAL_TOP_K=5
RETRIEVAL_SCORE_THRESHOLD=0.7
MAX_CONTEXT_TOKENS=16000
# LLM 生成参数
MAX_TOKENS=2000
TEMPERATURE=0.7
LLM_TEMPERATURE=0.7
LLM_MAX_TOKENS=2000
LLM_STREAM=true
# 对话管理参数
MAX_HISTORY_ROUNDS=5
SESSION_EXPIRE_HOURS=24
# ==================== 安全配置 ====================
# JWT 配置
JWT_SECRET_KEY=your-secret-key-change-in-production-min-32-characters-long
JWT_ALGORITHM=HS256
JWT_EXPIRE_DAYS=30
# 密码策略
PASSWORD_MIN_LENGTH=8
# 初始管理员账号(首次部署)
ADMIN_USERNAME=admin
ADMIN_EMAIL=admin@example.com
ADMIN_PASSWORD=admin123456
# 旧配置(向后兼容)
SECRET_KEY=your-secret-key-change-in-production
ALGORITHM=HS256
ACCESS_TOKEN_EXPIRE_MINUTES=30
# ==================== CORS 配置 ====================
CORS_ORIGINS=http://localhost:3000,http://localhost:8000
CORS_ALLOW_CREDENTIALS=true
CORS_ALLOW_METHODS=*
CORS_ALLOW_HEADERS=*
# ==================== 监控配置 ====================
# Sentry (可选)
SENTRY_DSN=
# ==================== 其他配置 ====================
# 时区
TIMEZONE=Asia/Shanghai