https://github.com/nadeesamaraweera/docker-manage
Docker is a platform for managing containers, enabling applications to run in isolated environments efficiently.
https://github.com/nadeesamaraweera/docker-manage
docker docker-image jar logger
Last synced: about 2 months ago
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Docker is a platform for managing containers, enabling applications to run in isolated environments efficiently.
- Host: GitHub
- URL: https://github.com/nadeesamaraweera/docker-manage
- Owner: nadeesamaraweera
- Created: 2025-03-06T03:05:40.000Z (over 1 year ago)
- Default Branch: main
- Last Pushed: 2025-03-09T08:57:44.000Z (over 1 year ago)
- Last Synced: 2025-03-09T09:27:19.486Z (over 1 year ago)
- Topics: docker, docker-image, jar, logger
- Language: Java
- Homepage:
- Size: 10.7 KB
- Stars: 1
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# Docker Setup and Management Guide
## Introduction
Docker is a platform for managing containers, enabling applications to run in isolated environments efficiently. This guide covers the fundamental Docker commands to build, run, and manage containers for Java and Spring Boot applications.
## Prerequisites
- Install Docker on your system.
- Verify the installation using the following command:
```sh
docker --version
```
## Building and Running a Java Application with Docker
### 1. Prepare the Java Application
Navigate to your project directory and clean/package the application using Maven:
```sh
mvn clean
mvn package
```
The JAR file will be created inside the `target` folder.
### 2. Create a Dockerfile
Create a `Dockerfile` in the project root and specify the instructions for building the image. Example:
```dockerfile
FROM openjdk:17
COPY target/your-app.jar app.jar
ENTRYPOINT ["java", "-jar", "app.jar"]
```
### 3. Build the Docker Image
Run the following command to build the Docker image:
```sh
docker build -t your-image-name .
```
### 4. Verify the Docker Image
To check the available Docker images, use:
```sh
docker images
```
### 5. Run the Docker Container
To run the application in a container, use:
```sh
docker run -p 8090:8085 your-image-name
```
Run the container in detached mode (background execution):
```sh
docker run -d -p 8090:8085 your-image-name
```
## Managing Running Containers
### Check Running Containers
```sh
docker ps
```
Check all containers (including stopped ones):
```sh
docker ps -a
```
### View Logs
To view application logs in real time:
```sh
docker logs -f
```
### Stop and Remove Containers
Stop a running container:
```sh
docker stop
```
Remove a container:
```sh
docker rm
```
### Remove Docker Images
To remove an image:
```sh
docker rmi your-image-name
```
Force remove an image:
```sh
docker rmi -f your-image-name
```
## Docker Hub (Optional)
Docker Hub is used to share Docker images but does not provide version control. To pull a Java 17 image from Docker Hub, use:
```sh
docker pull openjdk:17
```
## Conclusion
This guide covers the essential Docker commands to build and manage your Java/Spring Boot applications efficiently. Using Docker, you can ensure consistent deployment environments and simplify application management.