How to deploy Golang application on Gitlab (steps)

With the development of Golang, more and more developers are beginning to use this programming language to develop applications. At the same time, due to the increasing demand for continuous integration and continuous delivery, Gitlab has been widely used as an excellent code hosting platform. This article will introduce how to deploy Golang applications on Gitlab.

1. Install Gitlab

First, we need to install Gitlab. Gitlab can be obtained through the official website download page (https://about.gitlab.com/install/), or you can directly download and install it using the following command:

sudo curl https://packages.gitlab.com/install/repositories/gitlab/gitlab-ce/script.deb.sh | sudo bash
sudo apt-get install gitlab-ce

2. Install Golang

in After installing Gitlab, we need to install Golang.

The steps are as follows:

1. Download Golang. You can get the latest version of Golang through http://golang.org/dl.

2. Use the following command to install Golang:

sudo tar -C /usr/local -xzf go$VERSION.$OS-$ARCH.tar.gz

Among them, $OS and $ARCH are replaced accordingly according to your operating system and processor architecture.

3. Configure environment variables:

export PATH=$PATH:/usr/local/go/bin

3. Create a Gitlab project

After installing Gitlab and Golang, we need to create a corresponding project on Gitlab.

1. Create a project in Gitlab and select "New Project".

2. Fill in the project name and project description.

3. Create a project.

4. Deploy Golang application

After creating the project, we need to deploy the Golang application to Gitlab. The deployment steps are as follows:

1. Use the following command to clone the code into the local directory:

git clone <项目地址>

2. Create a file named .gitlab-ci.yml in the local directory, and Add the following content:

image: golang:latest

stages:
  - build
  - deploy

build:
  stage: build
  script:
    - go mod download
    - go build -o appname

deploy:
  stage: deploy
  script:
    - echo $SSH_PRIVATE_KEY | tr -d '\r' | ssh-add -
    - ssh <服务器地址> "./deploy.sh"

Among them, and need to be replaced with the corresponding addresses, and appname needs to be replaced with the name of the application.

3. Write deploy.sh script

echo "部署程序"
./appname

4. Submit the code and deploy

git add .
git commit -m "init"
git push origin master

5. Test

After completing the deployment, we need Test whether the Golang application is successfully deployed to Gitlab.

1. Enter the Gitlab project homepage and select the "Pipelines" tab.

2. Wait for the task to be completed and view the success or failure information.

3. Test whether the application is running normally.

curl http://<服务器地址>:<端口号>

6. Summary

Through the above steps, we can successfully deploy Golang applications on Gitlab. In this way, we can easily perform continuous integration and continuous delivery. If necessary, you can also use technologies such as Docker and Kubernetes to deploy and manage applications.

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