setup-python VS cache

Run a local host with the static website content with Python setup Github Actions

setup-python

The first two steps are setting up the job's environment. The checkout action will checkout out the repository at the triggering ref. The setup-python action will setup the desired Python runtime. My package supports Python 3.9+ so I'm targeting the minimum version for my build environments.

actions/setup-python@v4 does not support arm64 (https://raw.githubusercontent.com/actions/python-versions/main/versions-manifest.json). See related Open issue https://github.com/actions/setup-python/issues/108.

The most popular ones are Node.js, Python, Java JDK, Go, .Net Core SDK.

To build your environment in GH Actions you'll need to add a block to your yaml file BEFORE the Azure Build and Deploy section. You'll need to include the setup-python action and specify the python version you would like to use. Use the major version of your python version so 3.10 and NOT 3.10.5. For more information and options on this you can check out the Setup-Python GH actions repo.

Next up we'll need to add a step to compile our production ready build. For this we can add two new steps, one which configures our Node version to ensure it matches our application, followed by another that runs the necessary commands with npm. Depending on how your application is built you may need to add another step between these to install any sort of required environments such as Python or Java.

Python 3.9 is setup using actions/[email protected] and the pip packages are cached

It requires that the checkout and setup-python actions be used first.

First, we have to checkout the repository in GitHub Actions using GitHub's own checkout action. Then, we have to set up the Python version using GitHub's setup-python action. Finally, we can use Black's provided GitHub Action for checking formatting - it runs black --check --diff on the workflow runner's clone of the repo and outputs an error code if any Python file in the repo fails Black's formatting rules. Note that Black fails if the AST cannot be parsed (i.e. if there are any syntax errors), so it can also be used for checking syntax correctness, which itself is a good proxy for checking for merge conflict strings.

> with no persistent storage

There's https://github.com/actions/cache though?

Use Cache Actions: GitHub Actions provides cache actions that simplify caching implementation. The @actions/cache JavaScript library is a popular choice for managing caching in workflows. It offers flexible options for storing and retrieving cache artifacts based on keys, scopes, and paths.

GitHub maintain a set of repos called actions. One of which is called cache.

By utilizing the actions/cache action action, we implemented a strategy to store and retrieve dependencies, preventing redundant installations.

I do think it's good practice to enable caching, such that your script doesn't hit RubyGems / pip / npm / etc every time it runs.

That way at least the automation activity stays entirely within the GitHub / Azure network.

It looks like you can do that for Ruby by adding this:

https://github.com/actions/cache/blob/master/examples.md#rub...

    - uses: ruby/setup-ruby@v1

➜ getting-started-with-act git:(master) act -j build WARN ⚠ You are using Apple M1 chip and you have not specified container architecture, you might encounter issues while running act. If so, try running it with '--container-architecture linux/amd64'. ⚠ [Node.js CI/build] 🚀 Start image=node:16-buster-slim [Node.js CI/build] 🐳 docker pull image=node:16-buster-slim platform= username= forcePull=false [Node.js CI/build] 🐳 docker create image=node:16-buster-slim platform= entrypoint=["tail" "-f" "/dev/null"] cmd=[] [Node.js CI/build] 🐳 docker run image=node:16-buster-slim platform= entrypoint=["tail" "-f" "/dev/null"] cmd=[] [Node.js CI/build] ☁ git clone 'https://github.com/actions/setup-node' # ref=v3 [Node.js CI/build] ☁ git clone 'https://github.com/actions/cache' # ref=v3 [Node.js CI/build] ☁ git clone 'https://github.com/actions/upload-artifact' # ref=v3 [Node.js CI/build] ⭐ Run Main actions/checkout@v3 [Node.js CI/build] 🐳 docker cp src=/Users/andrewevans/Documents/projects/getting-started-with-act/. dst=/Users/andrewevans/Documents/projects/getting-started-with-act [Node.js CI/build] ✅ Success - Main actions/checkout@v3 [Node.js CI/build] ⭐ Run Main Use Node.js 16.x [Node.js CI/build] 🐳 docker cp src=/Users/andrewevans/.cache/act/actions-setup-node@v3/ dst=/var/run/act/actions/actions-setup-node@v3/ [Node.js CI/build] 🐳 docker exec cmd=[node /var/run/act/actions/actions-setup-node@v3/dist/setup/index.js] user= workdir= [Node.js CI/build] 💬 ::debug::isExplicit: [Node.js CI/build] 💬 ::debug::explicit? false

You could try to find some point in the process where you can set up Actions caches with actions/cache, otherwise Container customization for Self-Hosted Runners is currently in Beta.

I would configure Github Actions cache so Docker doesn't have to compile all layers from scratch every time

In the copied example, npm caching is done via actions/cache@v2 action. But we can simplify our workflow by dropping this step and using built-in functionality for caching