How to deploy golang project

With the rapid development of golang language and the continuous expansion of its application scope, more and more developers are willing to use golang to write applications and API services. However, running the golang project needs to be deployed on the server. During the deployment process, many aspects such as server environment configuration, code version management, and automated operation and maintenance need to be taken into consideration. This article will focus on these aspects and introduce in detail the deployment process and precautions of the golang project.

1. Preparation

Before deploying the golang project, some preparations are necessary. First, you need to prepare a cloud server or a local server and install the golang environment on the server. To install golang on the server, you can download the binary installation package from the official website or use the system's package management tool to install it. You also need to ensure that the system's environment variables are configured correctly so that golang can work properly.

Secondly, you need to install a code version management tool, such as Git. Through Git, you can manage the project's code base, branches, submission records, etc., which not only effectively ensures the security of the code, but also facilitates multi-person collaborative development. It can also quickly roll back the code to the previous version, which is for the iterative development of the project. Crucial.

Finally, you need to install a container management tool like Docker. Docker can encapsulate applications and their dependencies into a unified container for easy deployment and porting. When deploying projects, we can use docker images to manage applications and related components.

2. Deployment process

After completing the preparations, you can start configuring the server and deploying the golang project. The following is a standard golang project deployment process:

1. Create a code base and develop it on your local computer.
2. Use Git to version control local code and push the code to the remote repository.
3. The remote server uses Git to pull the code and compile it.
4. Use Docker images to generate the containers required for the project. The images can be written by yourself, or you can download related images from third-party websites.
5. Use the Docker container management tool to deploy the container to the server.
6. Monitor the running status of the container and related logs to ensure the normal operation of the application.

Below we will explain each step one by one and introduce the issues that need attention.

2.1 Create a code base and develop it

When creating a golang project, you can use the standard golang package organization method, put all the source code in one directory, and put the application The main logic code is placed in a separate package. We can also reference other packages, perform dependency management through import statements, and compile the application as an executable file. During the development process, be aware that sensitive data such as confidential information in the application needs to be managed separately.

2.2 Use Git for version control

Before pushing the project code to the remote warehouse, you need to perform local version control on the code. In the local code base, we need to create a .gitignore file to ignore some temporary files and unnecessary files uploaded to the code repository. At the same time, in order to facilitate management, we need to divide the code files into multiple branches according to different functional logic, so that the development team can independently handle code submissions on each branch.

When using Git to upload code, you need to use the SSH protocol for authentication to ensure security. At the same time, we also need to follow the best practices of Git branch management, ensure continuous communication between development teams, and continuously improve the quality and stability of the code.

2.3 Remote server uses Git for code deployment

On the server where the golang project is deployed, the git tool needs to be installed first. Use the git clone command on the server to pull the remote code library to the local, and then use the golang toolkit to compile the code.

When compiling the code, we need to choose different compilation methods according to the actual situation of the project. You can use the go build command to compile the project, or you can use the go install command to save the compiled binary file to the system. under the $GOBIN path, and save other dependent packages under the $GOPATH path. Note that the compiled binary file should not contain sensitive data such as confidential information and passwords. After the compilation is completed, you can use a gitignore file or other methods to protect it.

2.4 Using Docker images for containerized deployment

Before using docker for containerized deployment, you need to write a Dockerfile file. Dockerfile is a file similar to Makefile, used to specify the steps and configuration environment required to build a Docker image, specify the image entry, image name and other information. By encapsulating applications and their dependencies into Docker images, we can enable applications to run stably in various operating systems and environments, which greatly facilitates application porting and deployment.

After the Docker image is created, we can use the docker command to push the image to Docker Hub or other third-party image warehouses, or we can directly use the docker run command to deploy the container to the server for running.

2.5 Monitor container running status and related logs

After the container deployment is completed, we need to use the Docker container management tool to manage the container. The operations include starting, stopping, restarting the container, and viewing the container running status and related logs. By monitoring logs, we can detect errors and anomalies in the application in time for repair and optimization. At the same time, monitoring tools are also needed to monitor the CPU usage, memory usage, and network transmission status of the container so that troubleshooting and problem solving can be carried out in a timely manner.

3. Notes

When deploying golang projects, you need to pay attention to the following points:

1. Security protection: Sensitivity in applications Data needs to be managed separately to avoid leaks; application access permissions need to be properly configured to prevent security issues such as malicious attacks and data leaks.
2. Environment configuration: It is necessary to select the appropriate environment configuration according to the actual situation of the application to avoid compatibility issues and other environment-related issues.
3. Code management: Use version management tools such as Git for code management, and follow the best practices of branch management to ensure the quality and stability of the code.
4. Container management: Use Docker to deploy applications in containers, and use Docker container management tools to monitor and manage containers to ensure the stable operation of applications.

In short, the rapid development and widespread use of golang has brought new challenges and opportunities to project deployment. When deploying golang projects, we need to follow certain processes and precautions, and combine the conventional progressive workflow with the characteristics of golang to ensure the successful deployment of the project.

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