feat: Docker adds SSRF-related timeout settings (#13395)

docker/.env.example

@@ -887,6 +887,10 @@ SSRF_HTTP_PORT=3128
 SSRF_COREDUMP_DIR=/var/spool/squid
 SSRF_REVERSE_PROXY_PORT=8194
 SSRF_SANDBOX_HOST=sandbox
+SSRF_DEFAULT_TIME_OUT=5
+SSRF_DEFAULT_CONNECT_TIME_OUT=5
+SSRF_DEFAULT_READ_TIME_OUT=5
+SSRF_DEFAULT_WRITE_TIME_OUT=5
 
 # ------------------------------
 # docker env var for specifying vector db type at startup