简介

Dify 是一个开源的 LLM 应用开发平台。其直观的界面结合了 AI 工作流、RAG 管道、Agent、模型管理、可观测性功能等，让您可以快速从原型到生产。以下是其核心功能列表：

1. 工作流: 在画布上构建和测试功能强大的 AI 工作流程，利用以下所有功能以及更多功能。

2. 全面的模型支持: 与数百种专有/开源 LLMs 以及数十种推理提供商和自托管解决方案无缝集成，涵盖 GPT、Mistral、Llama3 以及任何与 OpenAI API 兼容的模型。完整的支持模型提供商列表可在此处找到。

dify-support-models

3. Prompt IDE: 用于制作提示、比较模型性能以及向基于聊天的应用程序添加其他功能（如文本转语音）的直观界面。

4. RAG Pipeline: 广泛的 RAG 功能，涵盖从文档摄入到检索的所有内容，支持从 PDF、PPT 和其他常见文档格式中提取文本的开箱即用的支持。

5. Agent 智能体: 您可以基于 LLM 函数调用或 ReAct 定义 Agent，并为 Agent 添加预构建或自定义工具。Dify 为 AI Agent 提供了50多种内置工具，如谷歌搜索、DELL·E、Stable Diffusion 和 WolframAlpha 等。

6. LLMOps: 随时间监视和分析应用程序日志和性能。您可以根据生产数据和标注持续改进提示、数据集和模型。

7. 后端即服务: 所有 Dify 的功能都带有相应的 API，因此您可以轻松地将 Dify 集成到自己的业务逻辑中。

Dify 架构图如下：

dify_architecture

功能比较

功能

Dify.AI

LangChain

Flowise

OpenAI Assistant API

编程方法

API + 应用程序导向

Python 代码

应用程序导向

API 导向

支持的 LLMs

丰富多样

丰富多样

丰富多样

仅限 OpenAI

RAG引擎

✅

✅

✅

✅

Agent

✅

✅

❌

✅

工作流

✅

❌

✅

❌

可观测性

✅

✅

❌

❌

企业功能（SSO/访问控制）

✅

❌

❌

❌

本地部署

✅

✅

✅

❌

参照官网文档部署

https://github.com/langgenius/dify

先创建必须的文件和路径

mkdir -pv /data/dify/nginx/conf.d
mkdir -pv /data/dify/volumes/ssrf_proxy
cat > /data/dify/nginx/nginx.conf << EOF
user  nginx;
worker_processes  auto;

error_log  /var/log/nginx/error.log notice;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile        on;
    keepalive_timeout  65;

    #gzip  on;
    client_max_body_size 15M;

    include /etc/nginx/conf.d/*.conf;
}
EOF

cat > /data/dify/nginx/proxy.conf << EOF
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_http_version 1.1;
proxy_set_header Connection "";
proxy_buffering off;
proxy_read_timeout 3600s;
proxy_send_timeout 3600s;
EOF

cat /data/dify/nginx/conf.d/default.conf << EOF
server {
    listen 80;
    server_name _;

    location /console/api {
      proxy_pass http://api:5001;
      include proxy.conf;
    }

    location /api {
      proxy_pass http://api:5001;
      include proxy.conf;
    }

    location /v1 {
      proxy_pass http://api:5001;
      include proxy.conf;
    }

    location /files {
      proxy_pass http://api:5001;
      include proxy.conf;
    }

    location / {
      proxy_pass http://web:3000;
      include proxy.conf;
    }

    # If you want to support HTTPS, please uncomment the code snippet below
    #listen 443 ssl;
    #ssl_certificate ./../ssl/your_cert_file.cer;
    #ssl_certificate_key ./../ssl/your_cert_key.key;
    #ssl_protocols TLSv1.1 TLSv1.2 TLSv1.3;
    #ssl_prefer_server_ciphers on;
    #ssl_session_cache shared:SSL:10m;
    #ssl_session_timeout 10m;
}
EOF

cat /data/dify/volumes/ssrf_proxy/squid.conf << EOF
acl localnet src 0.0.0.1-0.255.255.255  # RFC 1122 "this" network (LAN)
acl localnet src 10.0.0.0/8             # RFC 1918 local private network (LAN)
acl localnet src 100.64.0.0/10          # RFC 6598 shared address space (CGN)
acl localnet src 169.254.0.0/16         # RFC 3927 link-local (directly plugged) machines
acl localnet src 172.16.0.0/12          # RFC 1918 local private network (LAN)
acl localnet src 192.168.0.0/16         # RFC 1918 local private network (LAN)
acl localnet src fc00::/7               # RFC 4193 local private network range
acl localnet src fe80::/10              # RFC 4291 link-local (directly plugged) machines
acl SSL_ports port 443
acl Safe_ports port 80          # http
acl Safe_ports port 21          # ftp
acl Safe_ports port 443         # https
acl Safe_ports port 70          # gopher
acl Safe_ports port 210         # wais
acl Safe_ports port 1025-65535  # unregistered ports
acl Safe_ports port 280         # http-mgmt
acl Safe_ports port 488         # gss-http
acl Safe_ports port 591         # filemaker
acl Safe_ports port 777         # multiling http
acl CONNECT method CONNECT
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost manager
http_access deny manager
http_access allow localhost
include /etc/squid/conf.d/*.conf
http_access deny all

################################## Proxy Server ################################
http_port 3128
coredump_dir /var/spool/squid
refresh_pattern ^ftp:           1440    20%     10080
refresh_pattern ^gopher:        1440    0%      1440
refresh_pattern -i (/cgi-bin/|\?) 0     0%      0
refresh_pattern \/(Packages|Sources)(|\.bz2|\.gz|\.xz)$ 0 0% 0 refresh-ims
refresh_pattern \/Release(|\.gpg)$ 0 0% 0 refresh-ims
refresh_pattern \/InRelease$ 0 0% 0 refresh-ims
refresh_pattern \/(Translation-.*)(|\.bz2|\.gz|\.xz)$ 0 0% 0 refresh-ims
refresh_pattern .               0       20%     4320

# upstream proxy, set to your own upstream proxy IP to avoid SSRF attacks
# cache_peer 172.1.1.1 parent 3128 0 no-query no-digest no-netdb-exchange default 


################################## Reverse Proxy To Sandbox ################################
http_port 8194 accel vhost
cache_peer sandbox parent 8194 0 no-query originserver
acl src_all src all
http_access allow src_all
EOF

dify-compose.yml

version: '3'
services:
  api:
    image: langgenius/dify-api:0.6.11
    restart: always
    environment:
      MODE: api
      LOG_LEVEL: INFO
      SECRET_KEY: sk-9f73s3ljTXVcMT3Blb3ljTqtsKiGHXVcMT3BlbkFJLK7U
      CONSOLE_WEB_URL: ''
      INIT_PASSWORD: ''
      CONSOLE_API_URL: ''
      SERVICE_API_URL: ''
      APP_WEB_URL: ''
      FILES_URL: ''
      FILES_ACCESS_TIMEOUT: 300
      MIGRATION_ENABLED: 'true'
      DB_USERNAME: postgres
      DB_PASSWORD: difyai123456
      DB_HOST: db
      DB_PORT: 5432
      DB_DATABASE: dify
      REDIS_HOST: redis
      REDIS_PORT: 6379
      REDIS_USERNAME: ''
      REDIS_PASSWORD: difyai123456
      REDIS_USE_SSL: 'false'
      REDIS_DB: 0
      CELERY_BROKER_URL: redis://:difyai123456@redis:6379/1
      WEB_API_CORS_ALLOW_ORIGINS: '*'
      CONSOLE_CORS_ALLOW_ORIGINS: '*'
      STORAGE_TYPE: local
      STORAGE_LOCAL_PATH: storage
      S3_USE_AWS_MANAGED_IAM: 'false'
      S3_ENDPOINT: 'https://xxx.r2.cloudflarestorage.com'
      S3_BUCKET_NAME: 'difyai'
      S3_ACCESS_KEY: 'ak-difyai'
      S3_SECRET_KEY: 'sk-difyai'
      S3_REGION: 'us-east-1'
      AZURE_BLOB_ACCOUNT_NAME: 'difyai'
      AZURE_BLOB_ACCOUNT_KEY: 'difyai'
      AZURE_BLOB_CONTAINER_NAME: 'difyai-container'
      AZURE_BLOB_ACCOUNT_URL: 'https://<your_account_name>.blob.core.windows.net'
      GOOGLE_STORAGE_BUCKET_NAME: 'yout-bucket-name'
      GOOGLE_STORAGE_SERVICE_ACCOUNT_JSON_BASE64: 'your-google-service-account-json-base64-string'
      TENCENT_COS_BUCKET_NAME: 'your-bucket-name'
      TENCENT_COS_SECRET_KEY: 'your-secret-key'
      TENCENT_COS_SECRET_ID: 'your-secret-id'
      TENCENT_COS_REGION: 'your-region'
      TENCENT_COS_SCHEME: 'your-scheme'
      VECTOR_STORE: weaviate
      WEAVIATE_ENDPOINT: http://weaviate:8080
      WEAVIATE_API_KEY: WVF5YThaHlkYwhGUSmCRgsX3tD5ngdN8pkih
      QDRANT_URL: http://qdrant:6333
      QDRANT_API_KEY: difyai123456
      QDRANT_CLIENT_TIMEOUT: 20
      QDRANT_GRPC_ENABLED: 'false'
      QDRANT_GRPC_PORT: 6334
      MILVUS_HOST: 127.0.0.1
      MILVUS_PORT: 19530
      MILVUS_USER: root
      MILVUS_PASSWORD: Milvus
      MILVUS_SECURE: 'false'
      RELYT_HOST: db
      RELYT_PORT: 5432
      RELYT_USER: postgres
      RELYT_PASSWORD: difyai123456
      RELYT_DATABASE: postgres
      PGVECTOR_HOST: pgvector
      PGVECTOR_PORT: 5432
      PGVECTOR_USER: postgres
      PGVECTOR_PASSWORD: difyai123456
      PGVECTOR_DATABASE: dify
      TIDB_VECTOR_HOST: tidb
      TIDB_VECTOR_PORT: 4000
      TIDB_VECTOR_USER: xxx.root
      TIDB_VECTOR_PASSWORD: xxxxxx
      TIDB_VECTOR_DATABASE: dify
      CHROMA_HOST: 127.0.0.1
      CHROMA_PORT: 8000
      CHROMA_TENANT: default_tenant
      CHROMA_DATABASE: default_database
      CHROMA_AUTH_PROVIDER: chromadb.auth.token_authn.TokenAuthClientProvider
      CHROMA_AUTH_CREDENTIALS: xxxxxx
      MAIL_TYPE: ''
      MAIL_DEFAULT_SEND_FROM: 'YOUR EMAIL FROM (eg: no-reply <no-reply@dify.ai>)'
      SMTP_SERVER: ''
      SMTP_PORT: 465
      SMTP_USERNAME: ''
      SMTP_PASSWORD: ''
      SMTP_USE_TLS: 'true'
      SMTP_OPPORTUNISTIC_TLS: 'false'
      RESEND_API_KEY: ''
      RESEND_API_URL: https://api.resend.com
      SENTRY_DSN: ''
      SENTRY_TRACES_SAMPLE_RATE: 1.0
      SENTRY_PROFILES_SAMPLE_RATE: 1.0
      NOTION_INTEGRATION_TYPE: public
      NOTION_CLIENT_SECRET: you-client-secret
      NOTION_CLIENT_ID: you-client-id
      NOTION_INTERNAL_SECRET: you-internal-secret
      CODE_EXECUTION_ENDPOINT: "http://sandbox:8194"
      CODE_EXECUTION_API_KEY: dify-sandbox
      CODE_MAX_NUMBER: 9223372036854775807
      CODE_MIN_NUMBER: -9223372036854775808
      CODE_MAX_STRING_LENGTH: 80000
      TEMPLATE_TRANSFORM_MAX_LENGTH: 80000
      CODE_MAX_STRING_ARRAY_LENGTH: 30
      CODE_MAX_OBJECT_ARRAY_LENGTH: 30
      CODE_MAX_NUMBER_ARRAY_LENGTH: 1000
      SSRF_PROXY_HTTP_URL: 'http://ssrf_proxy:3128'
      SSRF_PROXY_HTTPS_URL: 'http://ssrf_proxy:3128'
      INDEXING_MAX_SEGMENTATION_TOKENS_LENGTH: 1000
    depends_on:
      - db
      - redis
    volumes:
      - ./volumes/app/storage:/app/api/storage
    networks:
      - ssrf_proxy_network
      - default
  worker:
    image: langgenius/dify-api:0.6.11
    restart: always
    environment:
      CONSOLE_WEB_URL: ''
      MODE: worker
      LOG_LEVEL: INFO
      SECRET_KEY: sk-9f73s3ljTXVcMT3Blb3ljTqtsKiGHXVcMT3BlbkFJLK7U
      DB_USERNAME: postgres
      DB_PASSWORD: difyai123456
      DB_HOST: db
      DB_PORT: 5432
      DB_DATABASE: dify
      REDIS_HOST: redis
      REDIS_PORT: 6379
      REDIS_USERNAME: ''
      REDIS_PASSWORD: difyai123456
      REDIS_DB: 0
      REDIS_USE_SSL: 'false'
      CELERY_BROKER_URL: redis://:difyai123456@redis:6379/1
      STORAGE_TYPE: local
      STORAGE_LOCAL_PATH: storage
      S3_USE_AWS_MANAGED_IAM: 'false'
      S3_ENDPOINT: 'https://xxx.r2.cloudflarestorage.com'
      S3_BUCKET_NAME: 'difyai'
      S3_ACCESS_KEY: 'ak-difyai'
      S3_SECRET_KEY: 'sk-difyai'
      S3_REGION: 'us-east-1'
      AZURE_BLOB_ACCOUNT_NAME: 'difyai'
      AZURE_BLOB_ACCOUNT_KEY: 'difyai'
      AZURE_BLOB_CONTAINER_NAME: 'difyai-container'
      AZURE_BLOB_ACCOUNT_URL: 'https://<your_account_name>.blob.core.windows.net'
      GOOGLE_STORAGE_BUCKET_NAME: 'yout-bucket-name'
      GOOGLE_STORAGE_SERVICE_ACCOUNT_JSON_BASE64: 'your-google-service-account-json-base64-string'
      TENCENT_COS_BUCKET_NAME: 'your-bucket-name'
      TENCENT_COS_SECRET_KEY: 'your-secret-key'
      TENCENT_COS_SECRET_ID: 'your-secret-id'
      TENCENT_COS_REGION: 'your-region'
      TENCENT_COS_SCHEME: 'your-scheme'
      VECTOR_STORE: weaviate
      WEAVIATE_ENDPOINT: http://weaviate:8080
      WEAVIATE_API_KEY: WVF5YThaHlkYwhGUSmCRgsX3tD5ngdN8pkih
      QDRANT_URL: http://qdrant:6333
      QDRANT_API_KEY: difyai123456
      QDRANT_CLIENT_TIMEOUT: 20
      QDRANT_GRPC_ENABLED: 'false'
      QDRANT_GRPC_PORT: 6334
      MILVUS_HOST: 127.0.0.1
      MILVUS_PORT: 19530
      MILVUS_USER: root
      MILVUS_PASSWORD: Milvus
      MILVUS_SECURE: 'false'
      MAIL_TYPE: ''
      MAIL_DEFAULT_SEND_FROM: 'YOUR EMAIL FROM (eg: no-reply <no-reply@dify.ai>)'
      SMTP_SERVER: ''
      SMTP_PORT: 465
      SMTP_USERNAME: ''
      SMTP_PASSWORD: ''
      SMTP_USE_TLS: 'true'
      SMTP_OPPORTUNISTIC_TLS: 'false'
      RESEND_API_KEY: ''
      RESEND_API_URL: https://api.resend.com
      RELYT_HOST: db
      RELYT_PORT: 5432
      RELYT_USER: postgres
      RELYT_PASSWORD: difyai123456
      RELYT_DATABASE: postgres
      TENCENT_VECTOR_DB_URL: http://127.0.0.1
      TENCENT_VECTOR_DB_API_KEY: dify
      TENCENT_VECTOR_DB_TIMEOUT: 30
      TENCENT_VECTOR_DB_USERNAME: dify
      TENCENT_VECTOR_DB_DATABASE: dify
      TENCENT_VECTOR_DB_SHARD: 1
      TENCENT_VECTOR_DB_REPLICAS: 2
      PGVECTOR_HOST: pgvector
      PGVECTOR_PORT: 5432
      PGVECTOR_USER: postgres
      PGVECTOR_PASSWORD: difyai123456
      PGVECTOR_DATABASE: dify
      TIDB_VECTOR_HOST: tidb
      TIDB_VECTOR_PORT: 4000
      TIDB_VECTOR_USER: xxx.root
      TIDB_VECTOR_PASSWORD: xxxxxx
      TIDB_VECTOR_DATABASE: dify
      CHROMA_HOST: 127.0.0.1
      CHROMA_PORT: 8000
      CHROMA_TENANT: default_tenant
      CHROMA_DATABASE: default_database
      CHROMA_AUTH_PROVIDER: chromadb.auth.token_authn.TokenAuthClientProvider
      CHROMA_AUTH_CREDENTIALS: xxxxxx
      NOTION_INTEGRATION_TYPE: public
      NOTION_CLIENT_SECRET: you-client-secret
      NOTION_CLIENT_ID: you-client-id
      NOTION_INTERNAL_SECRET: you-internal-secret
      INDEXING_MAX_SEGMENTATION_TOKENS_LENGTH: 1000
    depends_on:
      - db
      - redis
    volumes:
      - ./volumes/app/storage:/app/api/storage
    networks:
      - ssrf_proxy_network
      - default
  web:
    image: langgenius/dify-web:0.6.11
    restart: always
    environment:
      CONSOLE_API_URL: ''
      APP_API_URL: ''
      SENTRY_DSN: ''
  db:
    image: postgres:15-alpine
    restart: always
    environment:
      PGUSER: postgres
      POSTGRES_PASSWORD: difyai123456
      POSTGRES_DB: dify
      PGDATA: /var/lib/postgresql/data/pgdata
    volumes:
      - ./volumes/db/data:/var/lib/postgresql/data
    healthcheck:
      test: [ "CMD", "pg_isready" ]
      interval: 1s
      timeout: 3s
      retries: 30
  redis:
    image: redis:6-alpine
    restart: always
    volumes:
      - ./volumes/redis/data:/data
    command: redis-server --requirepass difyai123456
    healthcheck:
      test: [ "CMD", "redis-cli", "ping" ]
  weaviate:
    image: semitechnologies/weaviate:1.19.0
    restart: always
    volumes:
      - ./volumes/weaviate:/var/lib/weaviate
    environment:
      QUERY_DEFAULTS_LIMIT: 25
      AUTHENTICATION_ANONYMOUS_ACCESS_ENABLED: 'false'
      PERSISTENCE_DATA_PATH: '/var/lib/weaviate'
      DEFAULT_VECTORIZER_MODULE: 'none'
      CLUSTER_HOSTNAME: 'node1'
      AUTHENTICATION_APIKEY_ENABLED: 'true'
      AUTHENTICATION_APIKEY_ALLOWED_KEYS: 'WVF5YThaHlkYwhGUSmCRgsX3tD5ngdN8pkih'
      AUTHENTICATION_APIKEY_USERS: 'hello@dify.ai'
      AUTHORIZATION_ADMINLIST_ENABLED: 'true'
      AUTHORIZATION_ADMINLIST_USERS: 'hello@dify.ai'
  sandbox:
    image: langgenius/dify-sandbox:0.2.1
    restart: always
    environment:
      API_KEY: dify-sandbox
      GIN_MODE: 'release'
      WORKER_TIMEOUT: 15
      ENABLE_NETWORK: 'true'
      HTTP_PROXY: 'http://ssrf_proxy:3128'
      HTTPS_PROXY: 'http://ssrf_proxy:3128'
      SANDBOX_PORT: 8194
    volumes:
      - ./volumes/sandbox/dependencies:/dependencies
    networks:
      - ssrf_proxy_network
  ssrf_proxy:
    image: ubuntu/squid:latest
    restart: always
    volumes:
      - ./volumes/ssrf_proxy/squid.conf:/etc/squid/squid.conf
    networks:
      - ssrf_proxy_network
      - default
  nginx:
    image: nginx:latest
    restart: always
    volumes:
      - ./nginx/nginx.conf:/etc/nginx/nginx.conf
      - ./nginx/proxy.conf:/etc/nginx/proxy.conf
      - ./nginx/conf.d:/etc/nginx/conf.d
    depends_on:
      - api
      - web
    ports:
      - "80:80"
networks:
  ssrf_proxy_network:
    driver: bridge
    internal: true


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