Run the Spring Boot Docker image in a container
Before running our image in a container, let’s ensure that we avoid any potential errors when attempting to map the container port to the localhost port. To do this, we need to specify the correct port binding configuration in our Docker command or Docker Compose file. This ensures that the container’s port is exposed and accessible from the host system.
Create a docker container by running following command:
$ docker run -d -p [host_port]:[container_port] --name [container_name] [image_id/image_tag]
- -d: Run the container while printing the container ID.
- -p: Mapping port for our container
- –name: Assign a name to the container
Verify whether the container has been created successfully by running below command:
$ docker container ps
How To Dockerize A Spring Boot Application With Maven ?
Docker is an open-source containerization tool used for building, running, and managing applications in an isolated environment. A container is isolated from another and bundles its software, libraries, and configuration files. In this article, to dockerize a Spring Boot application for deployment purposes, we will learn how to create a spring boot app, and how to create a docker image for the spring boot app and we will run it on the docker container.
Prerequisites: Before continuing any further, please ensure that node and docker are installed on your machine. If required, visit the Java Installation Guide or the Docker Installation Guide.
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