golang ci process

As an efficient and easy-to-use programming language, Golang has been used by more and more enterprises and developers. More and more companies are looking for a reliable and fast continuous integration (CI) and continuous delivery (CD) solution to ensure their applications run smoothly. As a programming language, Golang's CI process is relatively simple. This article will introduce you to Golang's CI process.

The Golang CI process includes the following steps:

1. Define the code base

The first step is to create and define the code base. The repository is where Golang project source code is stored. You can use a code hosting service like Github, GitLab, or Bitbucket to host your code base. It is recommended to use Git as it is one of the most popular version control tools.

2. Install build tools

Building Golang projects requires the use of tools in the Go tool chain. After ensuring that the Go toolchain is installed, you need to install Go modules. Go modules is a dependency management tool introduced in Go 1.11. It supports semantic versioning and can make your project more modular.

3. Writing tests

Writing tests is an important step in ensuring the CI process. Commonly used testing frameworks in Golang include testing, assert and testify, among which testing is part of Go itself, while assert and testify are third-party unit testing frameworks.

Here is the sample code:

package main

import (
    "testing"
    "github.com/stretchr/testify/assert"
)

func TestAddition(t *testing.T) {
    assert.Equal(t, 2+2, 4)
}

In this example, we use testify assertion, we test whether 2 2 is equal to 4. If the test passes, we will see "PASS" output in the console.

4. Configuring CI Tools

After uploading your project to the repository, you need to configure your CI tools to automatically compile, test, and build the project. Commonly used CI tools include Jenkins, Travis CI, Circle CI, etc.

In this article, we will introduce how to continue the Golang project on Travis CI.

First, you need to register an account on Travis CI. Then, open the Travis CI console and use GitHub or GitLab to authorize access.

Next, you need to create a file named .travis.yml in the root directory of the code base, which contains the configuration information of Travis CI. The sample configuration is as follows:

language: go

go:
  - "1.13"

script:
  - go test -v ./...

Here, we specify the Golang version as 1.13 and add a test command in the script stage to run all tests.

5. Writing a build script

After configuring the CI tool, you need to write a build script that will run in the CI instance. The exact content of your build script depends on your project and your build tool's requirements.

In this article, we will use Makefile to create the build script. Makefile is a useful tool that helps you automate tasks easily.

Here is a sample Makefile:

.PHONY: test build

help:
        @echo "Choose one of the following targets:"
        @echo "  test  - run unit tests"
        @echo "  build - build the project"

test:
        go test -v ./...

build:
        CGO_ENABLED=0 go build -a -ldflags '-extldflags "-static"' -o app main.go

In this sample Makefile, we define two targets: test and build. The test target uses the go test command to run all tests, and the build target uses the go build command to build the binary.

6. Deploy the application

Once the build is successful, you need to deploy the application to production. The deployment process depends on the deployment pipeline used by the application. Commonly used deployment tools include Ansible, Chef, Puppet, etc.

During deployment, you should ensure that your application runs securely and dynamically scales reliably. You should also monitor the application and be automatically notified about any errors or glitches.

Finally, the Golang CI process is a continuous and automated process, which helps developers quickly identify problems and make quick fixes. By following the above steps, you can easily create a continuous integration process for Golang and ensure the reliability and scalability of your application through automated processes.

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