How to install and start using Welder

Installation

on-host:~$ curl -s "https://welder.simple-container.com/welder.sh" | bash

To initialize Welder for your project, you need to run the following command:

on-host:~$ welder init

The wizard will get you through a few simple steps to set you up with your service for use with Welder. Follow the instructions to configure welder.yaml descriptor.

IntelliJ Plugin

It is strongly recommended to install the Welder IntelliJ Plugin as well if you use IntelliJ IDEA as the main development IDE. The plugin adds validation, autocompletion and navigation within welder.yaml descriptors.

Simple usage

The simplest possible usage of Welder is to run a command within a container.

schemaVersion: 1.8.0
tasks:
  test:
    image: alpine
    script:
      - uname -a

When you run it with welder run test, you should see something like:

on-host:~$ welder run test 
run [test]  - Running 1 scripts in container 'alpine'...
run [test] Linux 5b8ac2bbb2a6 5.4.0-122-generic #138-Ubuntu SMP Wed Jun 22 15:00:31 UTC 2022 x86_64 Linux
run [test]  - Finished test in 5s

Please see Simple usage for more information.