📜  sqlserver docker - SQL (1)

📅  最后修改于: 2023-12-03 15:05:20.384000             🧑  作者: Mango

SQL Server + Docker

Introduction

SQL Server is a widely used relational database management system (RDBMS) that allows for the creation, modification, and retrieval of data. With Docker, developers can easily create and deploy SQL Server instances in a portable and scalable manner. This allows for flexible development, testing, and deployment of database applications.

Benefits of SQL Server + Docker
Portability

With the use of Docker, developers have the ability to build, package, and deploy SQL Server instances that can be easily moved between development, testing, and production environments. This means that the same application can be run on different platforms with little to no modification required. Docker containers encapsulate all the necessary dependencies, files, and libraries needed to run SQL Server, making it easy to share across different machines.

Scalability

Docker provides a way to scale resources up or down based on demand. If more resources are needed, additional containers can be added to increase capacity. Conversely, if fewer resources are needed, containers can be removed to reduce the load on the system. This makes it easy to handle spikes in traffic and ensures that resources are used efficiently.

Consistency

Docker ensures a consistent environment for the development, testing, and deployment of SQL Server instances. Developers can create a container with specific dependencies and libraries needed to run their application. This means that the environment remains consistent across different machines and operating systems, reducing potential issues caused by variations in hardware or software.

Getting started with SQL Server + Docker
Install Docker

To get started with SQL Server + Docker, you need to first install Docker on your machine. You can download Docker from the official Docker website.

Pull the SQL Server image

Once Docker is installed, you can download the SQL Server image from the Docker Hub repository. This is done by running the following command in your terminal:

docker pull mcr.microsoft.com/mssql/server:2019-latest
Run the SQL Server container

After the image is downloaded, you can create a container that will run SQL Server with the desired configurations. This can be done using the following command:

docker run -e "ACCEPT_EULA=Y" -e "SA_PASSWORD=<YourStrong@Passw0rd>" -p 1433:1433 --name sqlserver -d mcr.microsoft.com/mssql/server:2019-latest

The -e option sets environment variables needed to configure SQL Server, including the acceptance of the End-User License Agreement (EULA) and the password for the system administrator (SA) account. The -p option maps the container's port 1433 to the host machine's port 1433. This allows external applications to connect to the SQL Server instance. The --name option assigns a name to the container, in this case, "sqlserver". The -d option runs the container in detached mode.

Connect to SQL Server

To verify that SQL Server is running in the container, you can connect to it using SQL Server Management Studio (SSMS) or another client tool. In the connection dialog, use "localhost" or the IP address of the Docker host machine as the server name and specify port 1433 as the port.

Stop the container

To stop the container, use the following command:

docker stop sqlserver

This will gracefully stop the SQL Server instance and shut down the container.

Conclusion

SQL Server + Docker provides an easy and portable way to develop, test, and deploy database applications. With the ability to scale resources and ensure consistency across different environments, Docker provides a powerful platform for managing SQL Server instances. By following the steps outlined above, you can quickly get started with SQL Server + Docker and take advantage of the benefits it provides.