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wacker

Like Docker, but for WASM.

Installation

You can download binaries directly from theReleases page.

Or you can install it usingcargo:

cargo install wacker-daemoncargo install wacker-cli

Getting started

Start the wacker daemon:

$ wackerd[2023-11-22 07:25:31 INFO wackerd] server listening on "/Users/user/.wacker/wacker.sock"

Run a WebAssembly program:

$ wacker run hello.wasm$ wacker run time.wasm

Wherehello.wasm is a simple WASM program that prints outHello, world! and exits, andtime.wasm is a long-running program that constantly prints out the current time.

You can find more WASI program examples athttps://github.com/wacker-dev/wasi-examples.

Serve anHTTP WebAssembly program:

$ wacker serve hello_wasi_http.wasm --addr 127.0.0.1:8081

The path can be a local file path or a URL, eg:

$ wacker run https://raw.githubusercontent.com/wacker-dev/wacker/main/wacker/tests/wasm/hello.wasm

List running programs:

$ wacker listID                        PATH                   STATUS     ADDRESShello-w0AqXnf             hello.wasm             Finishedtime-xhQVmjU              time.wasm              Runninghello_wasi_http-luf1vz6   hello_wasi_http.wasm   Running    127.0.0.1:8081

Fetch the logs:

$ wacker logs hello-w0AqXnfHello, world!$ wacker logs -f --tail 5 time-xhQVmjUcurrent time: 2023-11-22 07:42:34current time: 2023-11-22 07:42:35current time: 2023-11-22 07:42:36current time: 2023-11-22 07:42:37current time: 2023-11-22 07:42:38

And you can also stop/restart/delete the program:

$ wacker stop time-xhQVmjU$ wacker restart time-xhQVmjU$ wacker delete/rm time-xhQVmjU

Usage for wacker cli:

$ wacker -hwacker clientUsage: wacker <COMMAND>Commands:  run      Runs a WebAssembly program  serve    Serves an HTTP WebAssembly program  list     Lists running WebAssembly programs [aliases: ps]  stop     Stops WebAssembly programs  restart  Restarts WebAssembly programs  delete   Deletes WebAssembly programs [aliases: rm]  logs     Fetches logs of a program [aliases: log]  help     Print this message or the help of the given subcommand(s)Options:  -h, --help     Print help  -V, --version  Print version