Detailed explanation of the process of deploying SpringBoot project through Docker plug-in in IDEA

1. Configure Docker remote connection port

Locate and edit the docker.service file on your server.

vi /usr/lib/systemd/system/docker.service

As shown in the figure below, add:

-H tcp://0.0.0.0:2375

2. Restart Docker

systemctl daemon-reload

service docker restart

3. Server open ports

I use Alibaba Cloud Server and open ports in the configuration rules of the security group.

4. Test whether the remote connection is normal

curl http://localhost:2375/version

5. Download the Docker plugin from IDEA

6. Use the plugin to connect to the Docker container of the Alibaba Cloud server

After the connection is successful, you can see the image and container in Docker

7. Create a new Dockerfile file under the project

I put it in the project root directory, at the same level as pom.xml.

#This is the base image FROM java:8
VOLUME /tmp
#Copy the jar package to the image and change the name to app.jar
ADD ./target/yun-tool-1.0.jar app.jar
#Run the command when the container starts to start our project (this is actually a Linux command)
ENTRYPOINT ["java","-Djava.security.egd=file:/dev/./urandom","-jar","/app.jar"]

8. Add a Docker configuration

9. Use Maven to package the project into a jar package

10. Run the build image

11. Browser access

http://IP address:port

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