Unrecognized directive: header

1. My Caddy version

v2.0.0-beta12 h1:LZnXOGDr1SbeJNyln8Xc/hXjWCa/a9qFpCbWt2iwJPw=

2. How I run Caddy:

using command prompt and Caddyfile

a. System environment:

windows 10

b. Command:

caddy run

c. My complete Caddyfile:

:8080 {
    root C:\_Shisht\_Rust\01_Learn\hello-wasm\pkg
    file_server browse
    header *.wasm Content-Type: application/javascript
}

3. Error messages and/or full log output:

$ caddy.exe run
2020/02/06 06:13:41.836 INFO using adjacent Caddyfile
run: adapting config using : Caddyfile:4: unrecognized directive: header

The header directive was renamed in beta 13. Update to the latest version!

2 Likes

As you said, I updated to latest version and everything is working now

but I want caddy to return custom response header for web-assembly files
and above code is not working
caddy is still returning Content-Type: application/wasm header

Ah, that’s because inlined path matchers must start with a forward slash so they can be identified as a path matcher token.

Since you’re doing a suffix match in your case, simply create a named matcher:

:8080 {
    root C:\_Shisht\_Rust\01_Learn\hello-wasm\pkg
    file_server browse
    @wasm {
        path *.wasm
    }
    header @wasm Content-Type application/javascript
}

Also, note the removal of the colon at the end of the field name. It is not necessary, and adding one will create a header filed called Content-Type: which is not what you want.

1 Like

Thanks for reply but
still not working

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