fix: add missing vikingdb param in docker .env.example (#9334)

docker/.env.example

@@ -58,7 +58,7 @@ DEBUG=false
 # which is convenient for debugging.
 FLASK_DEBUG=false
 
-# A secretkey that is used for securely signing the session cookie 
+# A secretkey that is used for securely signing the session cookie
 # and encrypting sensitive information on the database.
 # You can generate a strong key using `openssl rand -base64 42`.
 SECRET_KEY=sk-9f73s3ljTXVcMT3Blb3ljTqtsKiGHXVcMT3BlbkFJLK7U
@@ -366,8 +366,8 @@ SUPABASE_URL=your-server-url
 # Vector Database Configuration
 # ------------------------------
 
-# The type of vector store to use. 
-# Supported values are `weaviate`, `qdrant`, `milvus`, `myscale`, `relyt`, `pgvector`, `pgvecto-rs`, ``chroma`, `opensearch`, `tidb_vector`, `oracle`, `tencent`, `elasticsearch`, `analyticdb`.
+# The type of vector store to use.
+# Supported values are `weaviate`, `qdrant`, `milvus`, `myscale`, `relyt`, `pgvector`, `pgvecto-rs`, `chroma`, `opensearch`, `tidb_vector`, `oracle`, `tencent`, `elasticsearch`, `analyticdb`, `vikingdb`.
 VECTOR_STORE=weaviate
 
 # The Weaviate endpoint URL. Only available when VECTOR_STORE is `weaviate`.
@@ -492,6 +492,15 @@ BAIDU_VECTOR_DB_DATABASE=dify
 BAIDU_VECTOR_DB_SHARD=1
 BAIDU_VECTOR_DB_REPLICAS=3
 
+# VikingDB configurations, only available when VECTOR_STORE is `vikingdb`
+VIKINGDB_ACCESS_KEY=your-ak
+VIKINGDB_SECRET_KEY=your-sk
+VIKINGDB_REGION=cn-shanghai
+VIKINGDB_HOST=api-vikingdb.xxx.volces.com
+VIKINGDB_SCHEMA=http
+VIKINGDB_CONNECTION_TIMEOUT=30
+VIKINGDB_SOCKET_TIMEOUT=30
+
 # ------------------------------
 # Knowledge Configuration
 # ------------------------------
@@ -668,7 +677,7 @@ SANDBOX_PORT=8194
 # Environment Variables for weaviate Service
 # (only used when VECTOR_STORE is weaviate)
 # ------------------------------
-WEAVIATE_PERSISTENCE_DATA_PATH='/var/lib/weaviate'
+WEAVIATE_PERSISTENCE_DATA_PATH=/var/lib/weaviate
 WEAVIATE_QUERY_DEFAULTS_LIMIT=25
 WEAVIATE_AUTHENTICATION_ANONYMOUS_ACCESS_ENABLED=true
 WEAVIATE_DEFAULT_VECTORIZER_MODULE=none
@@ -829,4 +838,4 @@ POSITION_PROVIDER_PINS=
 POSITION_PROVIDER_INCLUDES=
 POSITION_PROVIDER_EXCLUDES=
 # CSP https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP
-CSP_WHITELIST=
+CSP_WHITELIST=