Similar for php https://stackoverflow.com/questions/4616159/is-there-a-php-sandbox-something-like-jsfiddle-is-to-js

TOOLS: Katacode contains editor, terminal, preview for creating tutorials https://katacoda.com/scenario-examples/scenarios/create-scenario-101 https://learn.openshift.com/

online ide https://aws.amazon.com/cloud9/ https://docs.aws.amazon.com/cloud9/latest/user-guide/welcome.html

Does not support server side https://jsfiddle.net/ https://jsbin.com https://codesandbox.io/ https://www.codecademy.com Interesting limits for hours, memory, hard, requests https://help.glitch.com/kb/article/17-what-are-the-technical-restrictions-for-glitch-projects/#Uptime

free editor https://theia-ide.org/ It is used by Redhat OpenShift https://developers.redhat.com/developer-sandbox, example for Rails app https://github.com/sclorg/rails-ex/blob/master/README.md

Code-server uses VS https://coder.com/ (it is opensource alternative to VS Code Codespaces) can be installed on various platforms https://github.com/cdr/deploy-code-server Install on ubuntu https://github.com/cdr/code-server#getting-started https://coder.com/docs/code-server/v3.12.0/install#installsh

curl -fsSL https://code-server.dev/install.sh | sh
sudo systemctl enable --now [email protected]$USER
# Created symlink /etc/systemd/system/default.target.wants/[email protected] → /lib/systemd/system/[email protected]

Configuration is inside ~/.config/code-server/config.yaml and data .local/share/code-server

vi .config/code-server/config.yaml
# change bind-addr: 0.0.0.0:8080
# password
sudo service [email protected] restart

https://www.youtube.com/watch?v=oILc0ywDVTk Install Rancher and docker

# https://rancher.com/docs/rancher/v2.5/en/installation/resources/installing-docker/
curl https://releases.rancher.com/install-docker/19.03.sh | sh

# no need for sudo (you need to log out and log in again
sudo usermod  -aG docker orlovic

# run rancher container
# https://rancher.com/docs/rancher/v2.5/en/installation/other-installation-methods/single-node-docker/

sudo docker run --privileged -d --restart=unless-stopped -p 80:80 -p 443:443 rancher/rancher

# wait some time and that access ip of the virtual machine like https://192.168.0.25/

Trk Samples play with rails

Virtual IT lab

Main mission to help organize your own code idea. For example when I implement one feature in one project and than same thing on other project, than I improved it in first project. Next time I want to implement that feature I want te be able to find it easilly and last version.

Each example is pushed to our gitlab and new docker image is created and stored to gitlab docker repository.

Based on Play with docker SDK

Here is example of tutorial and output panel https://github.com/play-with-docker/play-with-docker.github.io which is server under https://training.play-with-docker.com It just uses https://github.com/play-with-docker/sdk like

<html>
  <head>
    <title>PWD SDK</title>
  </head>
  <body>
    <div id="myTerm" style="width: 500px; height: 500px;"></div>
    <link
      rel="stylesheet"
      href="https://unpkg.com/[email protected]/dist/styles.css"
    />
    <script src="https://unpkg.com/[email protected]/dist/pwd.min.js"></script>
    <script>
      pwd = new PWD();
      pwd.newSession([{ selector: "#myTerm" }], { baseUrl: 'http://localhost'});
    </script>
  </body>
</html>

and inside docs you can use .term1 to direct commands to terminal or data-term to open server for current session https://github.com/play-with-docker/play-with-docker.github.io/blob/master/writing-tutorials.md#auto-populating-code-in-the-terminal

AWS deploy https://www.n0r1sk.com/post/running-play-with-docker-on-aws/

Similar: https://cloud.google.com/blog/products/serverless/introducing-cloud-run-button-click-to-deploy-your-git-repos-to-google-cloud

TRK samples

Code can be run on providers like Heroku, AWS, Google cloud. Or locally with two commands: git clone ... && docker-compose up Normal visitors can see only the screenshots or static page. Paid PRO membership can play with the code online using codeserver and preview using play with docker (or similar). Everything should be open and visible, registration only when necessary.

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TODO: Make examples for https://thoughtbot.com/blog/hotwire-typeahead-searching nice ui ux like https://journey.cloud/ https://clockify.me/tracker