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PixelDocs/flash/static-file-server.md
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2025-02-27 14:01:50 +01:00

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---
banner_title: "Flash - Static File Server"
banner_description: "Learn how to serve static files in Flash."
---
# 📁 Static File Server
Flash provides a built-in static file server that allows you to serve static files such with autoresolving MIME types and caching.
::: warning
The static file server pre-registers literal routes for every file in the specified target directory.
Creating/deleting files in the target directory will trigger the internal route registry to update accordingly.
If you are planning to serve a compiled frontend application with a client-side router (think of react-router-dom),
it is reccomended to use the Dynamic File Server instead,
:::
## Usage
To serve static files in Flash, you need to call the `server.serveStatic()` method with the endpoint path and an instance of `StaticFileServerConfig`.
The configuration object is instanced like so :
```java
public StaticFileServerConfiguration(
boolean enableFileWatcher,
boolean enableIndexRedirect,
String destinationPath,
SourceType sourceType
)
```
- `enableFileWatcher` : If set to `true`, the server will watch for changes in the served files and reload them automatically.
- `enableIndexRedirect` : If set to `true`, the server will redirect requests to directories to the `index.html` file.
- `destinationPath` : The path to the directory containing the files to be served.
- `sourceType` : The type of source to serve files from. It can be either `FILESYSTEM` or `RESOURCESTREAM`.
Registering the static file server is as simple as calling the `server.serveStatic()` method with the desired path and configuration object:
```java
public class Example {
public static void main(String[] args) {
FlashServer server = new FlashServer(8080);
server.serveStatic("/static", new StaticFileServerConfiguration(
true,
true,
"path/to/static/files",
SourceType.FILESYSTEM
));
}
}
```
Now you can access the files in the specified directory by navigating to `http://localhost:8080/static/<file-name>`.
Similarly, you can serve files from the jar's resources folder by setting the `sourceType` to `RESOURCESTREAM`:
```java
public class Example {
public static void main(String[] args) {
FlashServer server = new FlashServer(8080);
server.serveStatic("/static", new StaticFileServerConfiguration(
true,
true,
"path/to/static/files",
SourceType.RESOURCESTREAM
));
}
}
```