jengine automatic deployment golang

Jengine is an emerging automation tool that enables faster and easier deployment of Golang applications. This article will introduce the process of Jengine automatically deploying Golang applications.

I. Install Jengine

First, you need to install Jengine in your system. Jengine is a standard Go application, so it can be installed through the following command line:

$ go get github.com/jengine-corp/jengine

II. Configure the deployment environment

In Jengine, you need to configure the deployment environment for correct deployment your application. Configuration in Jengine is mainly divided into two categories:

1. Application Configuration
   In this configuration, you need to specify the dependencies required by your application. If your application is a web application, you also need to specify its port number and host name.

   {
    "app": {
        "dependencies": [
            "github.com/labstack/echo",
            "github.com/jinzhu/gorm"
        ],
        "web": {
            "port": 8080,
            "host": "localhost"
        }
    }
   }

2. Deployment environment configuration
   In this configuration, you need to specify the deployment environment that your server has prepared. For example, you can choose to configure the user who performs the deployment and specify the path to the application.

   {
    "env": {
        "user": "deploy",
        "path": "/path/to/deploy"
    }
   }

III. Create build

Jengine supports multiple build types, such as creating binary files, Docker images, AWS Lambda, Kubernetes deployment, etc. In this article, we will take creating a binary file as an example.

1. Create a build script
   A build script is a set of commands that run during the build process. For example, we can create a build script using the following command.

   #!/bin/bash
   
   echo "Building..."
   go build -o myapp

2. Define the build
   In Jengine, each build needs to be defined using the jengine.yml file. This file lists the configuration files, build scripts, etc. that need to be used during the build.

   config:
    - app.json
    - deploy.json
   
   builds:
    - name: linux
        type: binary
        os: linux
        arch: amd64
        script_file: build.sh

   In this file, we list two configuration files (app.json and deploy.json) and a build (linux). We defined this build to be a binary build that will run on the Linux operating system.

IV. Executing the Build

Now we are ready to build. We can use the following command to run the build:

$ jengine build linux

Jengine will read the jengine.yml file and build your application using the information and scripts defined in it.

V. Deploying the application

After the build is completed, you need to deploy the application to the specified server. Jengine can automatically upload binary files to the server and perform necessary operations.

1. Install SSH key
   First, we need to install the SSH key to use Jengine to remotely log in to the server from the local computer. We can use the following command to generate the SSH key:

   $ ssh-keygen

2. Deploy the application
   We are ready to deploy the application into the server. Use the following commands to upload the binary, set it as executable, and run it.

   $ jengine deploy linux

   The above is the whole process of automatically deploying Golang applications using Jengine. Jengine not only makes the application deployment process more convenient and faster, but also automatically builds and tests applications. If you are a Golang developer, it is highly recommended that you try Jengine to improve your development process.

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