Spring Boot Docker Deployment Guide

To deploy a Spring Boot project to a Docker container, you can follow the steps below:

  1. Create a Dockerfile to define the configuration and environment of a Docker container. The Dockerfile can specify the base image, working directory, and copying project files among other things. A basic Dockerfile might look like this:
FROM openjdk:11
WORKDIR /app
COPY target/my-spring-boot-app.jar /app
CMD ["java", "-jar", "my-spring-boot-app.jar"]
  1. Execute the packaging command in the root directory of the Spring Boot project to package the project into an executable jar file.
mvn clean package
  1. Build a Docker image using a Dockerfile file.
docker build -t my-spring-boot-app .
  1. Run the Docker container to start the built image.
docker run -p 8080:8080 my-spring-boot-app

This way, the Spring Boot project can be deployed and run in a Docker container. You can access the project by visiting http://localhost:8080.

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