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Node App Helper Actions

1.0.0 Latest version
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Node App Helper Actions

Provides some helper scripts to aid in basic Node.js app delivery

Installation

Copy and paste the following snippet into your .yml file.

- name: Node App Helper Actions
  uses: guahanweb/action-nodejs-gh-pages@1.0.0
Learn more about this action in guahanweb/action-nodejs-gh-pages
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Node.js Actions

This action is designed to help easily proxy any Node.js scripts into GH Actions to create workflows easily. By design, there are only a few predefined paths in this action, but the run path is flexible enough to build any workflow you may design.

The entrypoint.sh script takes in arguments to define what path to follow. There are currently two primary predefined tasks.

Tasks

Each task is essentially a sub-task to the main entrypoint and will execute a very specific operation.

run

The primary task is run. This simply executes the provided script within your NPM or yarn context. By configuring your action definition, you can use the run task to chain any number of operations within your system.

For example, if you had an NPM script titled build that would create your artifacts for deployment, you could set up your action like this:

action "Build" {
  uses = "guahanweb/actions/node-app@master"
  args = "run build"
}

NOTE: if you are using Yarn, provide an env definition specifying the PKG_MANAGER to be Yarn:

  env = {
    PKG_MANAGER = "yarn"
  }

Under the covers, this is essentially going to run npm run build or yarn build on the worker machine. Obviously, this can be expanded to run any actions you may need.

Linting example:

action "Lint" {
  uses = "guahanweb/actions/node-app@master"
  env = {
    PKG_MANAGER = "yarn"
  }
  args = "run lint"
}

Environment Variables

Several environment variables are availabe to customize the behavior of your actions.

NODE_ENV
The environment in which to execute your node application.
defaults to production
PKG_MANAGER
Specifies which package manager you are using. Valid values are npm and yarn.
defaults to npm

gh-pages

This action also offers the ability to easily publish to an orphan branch on your repository. This is generally used for publishing static content to a gh-pages branch to be hosted by GitHub, but you can customize it to any branching strategy you desire.

This task requires the GITHUB_TOKEN secret from your action, or it will not have the appropriate permissions to push to your repo.

Example

action "GH Pages" {
  uses = "guahanweb/actions/node-app@master"
  secrets = ["GITHUB_TOKEN"]
  args = "gh-pages"
}

Environment Variables

Since every application is different, there are a few overrides you can provide within your env block to customize behavior.

GITHUB_TOKEN
This token is provided by GitHub when you specify it in your secrets array. It is required for the operation to have permission to push to your repository.
BUILD_DIR
Specifies the directory that contains the static assets to be pushed.
defaults to build
REMOTE_BRANCH
Spcifies the branch name to which the contents of $BUILD_DIR should be pushed.
defaults to gh-pages

test

The test operation is provided as an alias to run test.

Putting it all together

Once you have a handle on the options, you can create multiple actions easily and chain them together into a workflow. Here is an example of how you might specify a workflow to lint, test, build, and deploy a GH Pages website using this repository.

Example Workflow

workflow "Build and Deploy Pages" {
  on = "push"
  resolves = ["Lint", "Build", "Test", "Deploy Pages"]
}

action "Lint" {
  uses = "guahanweb/actions/node-app@master"
  env = {
    PKG_MANAGER = "yarn"
  }
  args = "run lint"
}

action "Build" {
  uses = "guahanweb/actions/node-app@master"
  env = {
    PKG_MANAGER = "yarn"
  }
  args = "run build"
}

action "Test" {
  uses = "guahanweb/actions/node-app@master"
  env = {
    PKG_MANAGER = "yarn"
  }
  args = "test"
}

action "Deploy Pages" {
  uses = "guahanweb/actions/node-app@master"
  secrets = ["GITHUB_TOKEN"]
  args = "gh-pages"
  needs = ["Lint", "Build", "Test"]
}
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