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Merged
aldas merged 1 commit into from
Mar 29, 2026
Merged

Add notes about leading slash in file related methods #396

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24 changes: 21 additions & 3 deletions website/docs/guide/static-files.md
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Original file line number Diff line number Diff line change
Expand Up @@ -4,10 +4,20 @@ slug: /static-files
sidebar_position: 11
---

# Static Files
# Serving Static Files

Images, JavaScript, CSS, PDF, Fonts and so on...

## Default file system

Echo uses `os.DirFS(".")` as default a file system which is set to current working directory.
To change the default file system, use `Echo#Filesystem` field.

```go
e := echo.New()
e.Filesystem = os.DirFS("assets")
```

## Using Static Middleware

[See ](/middleware/static.md)
Expand Down Expand Up @@ -73,8 +83,16 @@ e.File("/", "public/index.html")

*Usage 2*

Serving a favicon from `images/favicon.ico`
:::important

Leading `/` in the file path is will not work with most of the fs.FS implementations.

:::

Serving a favicon from `/app/assets/favicon.ico`

```go
e.File("/favicon.ico", "images/favicon.ico")
e := echo.New()
e.Filesystem = os.DirFS("/")
e.File("/favicon.ico", "app/assets/favicon.ico") // <--- file path must not have a leading slash
```
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