How To Install and Use Source-To-Image (S2I) Toolkit on Linux

Complete documentation is available at http://github.com/openshift/source-to-image Usage: s2i [flags] s2i [command] Available Commands: build Build a new image completion Generate completion for the s2i command (bash or zsh) create Bootstrap a new S2I image repository rebuild Rebuild an existing image usage Print usage ...

1. What is source-to-image s2i?
2. What is the source-to-image CLI command to build an application s2i create build s2i build s2i app create s2i build create?
3. How do I use OpenShift s2i?
4. What is a builder image?
5. What is OpenShift in Linux?
6. What is Podman Docker?
7. What are two advantages of using the standalone S2I process as an alternative to Dockerfiles?
8. What are image streams in OpenShift?
9. What is the role of the Registry OpenShift?
10. Which of the following are part of the OpenShift service mesh?
11. How do I deploy a Java Web application in OpenShift cloud?
12. Which languages are supported in the S2I utility in OpenShift?

What is source-to-image s2i?

Source-to-Image (S2I) is a framework that makes it easy to write images that take application source code as an input and produce a new image that runs the assembled application as output. The main advantage of using S2I for building reproducible Docker images is the ease of use for developers.

What is the source-to-image CLI command to build an application s2i create build s2i build s2i app create s2i build create?

The s2i build command provides two options to generate a new container image: Build a Docker image from a remote Git repository: Usage: s2i build <source> <image> [<tag>] [flags] $ s2i build https: //github.com/IBM-Cloud/get-started-node nodeshift/centos7-s2i-nodejs:latest us.icr.io/$MYNAMESPACE/webapp.

How do I use OpenShift s2i?

The proposed flow of that process is:

1. Build the image.
2. Run the image to verify the usage script.
3. Run s2i build to verify the assemble script.
4. Run s2i build again to verify the save-artifacts and assemble scripts save and restore artifacts functionality. (optional)
5. Run the image to verify the test application is working.

What is a builder image?

A builder image is a container image that supports a particular language or framework, following best practices and Source-to-Image (s2i) specifications. The OpenShift Developer Catalog provides several standard builder images supporting applications written in Node. js, Ruby, Python, and more.

What is OpenShift in Linux?

OpenShift is a family of containerization software products developed by Red Hat. Its flagship product is the OpenShift Container Platform — an on-premises platform as a service built around Docker containers orchestrated and managed by Kubernetes on a foundation of Red Hat Enterprise Linux.

What is Podman Docker?

Podman is a daemonless, open source, Linux native tool designed to make it easy to find, run, build, share and deploy applications using Open Containers Initiative (OCI) Containers and Container Images. ... Most users can simply alias Docker to Podman ( alias docker=podman ) without any problems.

What are two advantages of using the standalone S2I process as an alternative to Dockerfiles?

This method of building can be faster than Dockerfile builds, as any number of complex operations can be added to the build process without creating a new layer at each step. S2I also gives you the capability to re-use artifacts between builds to save time.

What are image streams in OpenShift?

An image stream comprises any number of Docker-formatted container images identified by tags. It presents a single virtual view of related images, similar to an image repository, and may contain images from any of the following: Its own image repository in OpenShift Enterprise's integrated registry.

What is the role of the Registry OpenShift?

The OpenShift Container Registry provides role-based access controls that allow you to manage who can pull and push which container images. OpenShift Container Platform also supports integration with other private registries you may already be using.

Which of the following are part of the OpenShift service mesh?

Red Hat OpenShift Service Mesh is logically split into a data plane and a control plane: The data plane is a set of intelligent proxies deployed as sidecars. These proxies intercept and control all inbound and outbound network communication between microservices in the service mesh.

How do I deploy a Java Web application in OpenShift cloud?

Install and configure Openshift development tools. Create an Openshift project and MySQL deployment. Configure the application for Spring Cloud Kubernetes. Create and deploy the application in a container using the Fabric8 Maven plugin and test and scale the application.

Which languages are supported in the S2I utility in OpenShift?

Identify the builder image that is needed for the application. Red Hat offers multiple builder images for different languages including Python, Ruby, Perl, PHP, and Node. js. Other images are available from the community space.