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We have applications available for Node.js Express, Go Gin, Python Flask, Python Django, Java Spring, Java Liberty, Swift Kitura, Android, and iOS.

In this sample web application, you will create a Go cloud application using Gin. This application contains an opinionated set of files for web serving:

• public/index.html
• public/404.html
• public/500.html

This application also enables a starting place for a Go microservice using Gin. A microservice is an individual component of an application that follows the microservice architecture - an architectural style that structures an application as a collection of loosely coupled services, which implement business capabilities. The microservice exposes a RESTful API matching a Swagger definition.

IBM Cloud DevOps services provides toolchains as a set of tool integrations that support development, deployment, and operations tasks inside IBM Cloud.

Also, this application comes with the following capabilities:

• Swagger UI running on: /explorer
• An OpenAPI 2.0 definition hosted on: /swagger/api
• A Healthcheck: /health

To get started building this web application locally, you can either run the application natively or use the IBM Cloud Developer Tools for containerization and easy deployment to IBM Cloud.

All of your go dependencies are listed in go.mod.

• Install Go

In order for Go applications to run anywhere including your $GOPATH/src

export GO111MODULE=on

Fetch and install dependencies listed in go.mod:

go build ./...

To run your application locally:

go run server.go

Your sources will be compiled to your $GOPATH/bin directory. Your application will be running at http://localhost:8080. You can also verify the state of your locally running application using the Selenium UI test script included in the scripts directory.

Install IBM Cloud Developer Tools on your machine by running the following command:

curl -sL https://ibm.biz/idt-installer | bash

Create an application on IBM Cloud by running:

ibmcloud dev create

This will create and download a starter application with the necessary files needed for local development and deployment.

Your application will be compiled with Docker containers. To compile and run your app, run:

ibmcloud dev build
ibmcloud dev run

This will launch your application locally. When you are ready to deploy to IBM Cloud on Kubernetes, run one of the commands:

ibmcloud dev deploy -t container // to K8s cluster

You can build and debug your app locally with:

ibmcloud dev build --debug
ibmcloud dev debug

This repository includes a .cra/.cveignore file that is used by Code Risk Analyzer (CRA) in IBM Cloud Continuous Delivery. This file helps address vulnerabilities that are found by CRA until a remediation is available, at which point the vulnerabilities will be addressed in the respective package versions. CRA keeps the code in this repository free of known vulnerabilities, and therefore helps make applications that are built on this code more secure. If you are not using CRA, you can safely ignore this file.

This sample application is licensed under the Apache License, Version 2. Separate third-party code objects invoked within this code pattern are licensed by their respective providers pursuant to their own separate licenses. Contributions are subject to the Developer Certificate of Origin, Version 1.1 and the Apache License, Version 2.

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