https://github.com/asapdotid/docker-openjdk
Docker Image OpenJDK Headless
https://github.com/asapdotid/docker-openjdk
docker docker-image dockerfile hot-reload jar java jvm openjdk
Last synced: 2 months ago
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Docker Image OpenJDK Headless
- Host: GitHub
- URL: https://github.com/asapdotid/docker-openjdk
- Owner: asapdotid
- License: mit
- Created: 2023-08-27T15:24:20.000Z (almost 2 years ago)
- Default Branch: main
- Last Pushed: 2023-08-27T15:50:06.000Z (almost 2 years ago)
- Last Synced: 2025-01-22T21:17:22.453Z (4 months ago)
- Topics: docker, docker-image, dockerfile, hot-reload, jar, java, jvm, openjdk
- Language: Makefile
- Homepage:
- Size: 8.79 KB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# Docker Image OpenJDK Headless
Support hot reload using PM2
- OS image: `Alpine Linux`
- Base OpenJDK image: `zulu-openjdk` [source](https://github.com/zulu-openjdk/zulu-openjdk)
- Hot Reload: `PM2` [Documentation](https://pm2.io/)
- Supervisor [Documentation](http://supervisord.org/)
Setup docker image multiple platform:
- [Multi-platform images](https://docs.docker.com/build/building/multi-platform/)
- [Docker container driver](https://docs.docker.com/build/drivers/docker-container/)
## Platform build images:
- amd64
- arm64
Docker image spec:
| Tag | OpenJDK | Node Js | PM2 |
| --- | ------------------------------ | ---------- | ----- |
| 20 | OpenJDK JRE Headless 20-latest | 18.17.1-r0 | 5.3.0 |
| 19 | OpenJDK JRE Headless 19-latest | 18.17.1-r0 | 5.3.0 |
## To Do's
- ✅ Prepare Docker buildx setup
- ✅ Manual build Docker image
- ✅ Manual publish Docker image
- ⬜ Automatic build Docker image (GitHub workflows)
- ⬜ Automatic publish Docker image (GitHub workflows)
## Makefile Commands
Helping utility commands for simple build and push Docker image.
### Help command:
```bash
make help
```
### Build Multi-platform peparation:
```bash
make prepare
```
### Building multi-platform images (build & push):
```bash
make build VER=20 TAG=20
```
or
```bash
make build VER=20 TAG=latest
```
### Publish docker image to docker hub:
Before publish image, first login to docker hub via cli:
```bash
docker login
```
Publish docker image:
```bash
make push VER=20
```
Or
```bash
make push VER=20 TAG=latest
```
### Docker inspect the image:
```bash
make inspect VER=19 TAG=19
```
## Image Environment
| Environment variable | Description | Default |
| -------------------- | ----------- | ------- |
| `TIMEZONE` | `timezone` | `UTC` |
## Docker Compose setup (running sample jar file)
Sample build `jar` file is here, spring-boot` [download](https://github.com/mkyong/spring-boot).
Build jar file command: `mvn clean package`, sample project `spring-rest-hello-world`
> Connection using `Traefik Proxy (ssl)` [Traefik SSL](https://github.com/asapdotid/dcc-traefik-ssl)
```yaml
# docker-compose.yml
version: "3.7"
services:
application:
image: docker.io/asapdotid/openjdk:19
expose:
- 8080
networks:
- proxy
environment:
- TIMEZONE=Asia/Jakarta
volumes:
- ./project/jar:/app
- ./cron.conf:/etc/supervisor/conf.d/cron.conf:ro
- /scripts:/scripts:ro
command: sh -c "sh /scripts/entrypoint.sh"
labels:
- traefik.enable=true
- traefil.docker.network=proxy
- traefik.http.routers.app-stats.entrypoints=https
- traefik.http.routers.app-stats.rule=Host(`app.jogjascript.com`)
- traefik.http.services.app-stats.loadbalancer.server.port=8080
networks:
proxy:
name: proxy
driver: bridge
```
Script file for running jar file:
```bash
#!/bin/sh
set -o errexit
set -o nounset
set -o pipefail
print_line() {
echo "-----------------------------------------------------------------------------"
}
setup_applications() {
echo "Project ready for starting, please wait a moment to build and start!"
if [[ -f "./spring-rest-hello-world-1.0.jar" ]]; then
pm2-runtime start java --watch "./**/*" --name "app-stats" -- -jar ./spring-rest-hello-world-1.0.jar
else
echo "Project cannot be starting, please check .jar file!"
fi
}
main() {
print_line
setup_applications
}
main $@
```
### Supervisor Config
Place config to `/etc/supervisor/conf.d/`
## License
MIT / BSD
## Author Information
This Code was created in 2023 by [Asapdotid](https://github.com/asapdotid).