try_path is a plugin that references the try_files implementation in nginx. It can check if a path exists before accessing it, and if it doesn't exist, it will attempt the next path in the sequence until the last one is reached.
name: plugin name, current use try-path
value: value is a string (serialized JSON object) that contains paths and host. paths are the paths to be attempted, and $uri can be used to replace the current requested path. host is the address used to determine if the path exists.
{
"name": "try-path",
"value": "{\"paths\":[\"$uri\", \"$uri/\", \"$uriindex.html\", \"$uri/index.html\"], \"host\":\"http://hostname\"}"
}