kooldev/java repository overview
Description
Minimal Java Docker image focused on Java applications based on Amazon Corretto. It's use is intended for kool.dev, but can fit in any other Java use-case.
Automatically load classpath in applications using maven or gradle architecture.
Available Tags
The image built is kooldev/java which has a bunch of tags available:
16
15
11
8
Environment Variables
| Variable | Default Value | Description |
|---|---|---|
| ASUSER | 0 | Changes the user id that executes the commands |
| UID | 0 | Changes the user id that executes the commands (ignored if ASUSER is provided) |
| VM_OPTIONS_XMS | 256m | See Java Documentations |
| VM_OPTIONS_XMX | 256m | See Java Documentations |
| VM_OPTIONS_MAX_METASPACE_SIZE | 256m | See Java Documentations |
| VM_OPTIONS_PERM_SIZE | 512m | See Java Documentations |
| VM_OPTIONS_XMN | 64m | See Java Documentations |
| VM_OPTIONS_SURVIVOR_RATIO | 128 | See Java Documentations |
| CMS_TRIGGER_PERCENT | 70 | See Java Documentations |
| JVM_FILE_ENCODING | UTF-8 | See Java Documentations |
| JVM_TTL | 60 | See Java Documentations |
| JVM_USER_LANGUAGE | en | See Java Documentations |
| JVM_USER_COUNTRY | US | See Java Documentations |
| TZ | Set default Timezone | |
| JAVA_OPTIONS | Additional Java Options | |
| RMI_SERVER_HOSTNAME | See Java Documentations | |
| JVM_JMXREMOTE_PORT | See Java Documentations | |
| JVM_JMXREMOTE_AUTHENTICATE | See Java Documentations | |
| JVM_JMXREMOTE_SSL | See Java Documentations | |
| DEBUG_PORT | 9000 | Debug port |
| DEBUG_SUSPEND | n | Suspend debug to waiting attached |
| CLASSPATH | Custom classpath, bay default defined by maven or gradle architecture | |
| MAIN_CLASS | Class main, required by execute |
PROD
| Variable | Default Value | Description |
|---|---|---|
| ASUSER | 0 | Changes the user id that executes the commands |
| UID | 0 | Changes the user id that executes the commands (ignored if ASUSER is provided) |
| VM_OPTIONS_XMS | 256m | See Java Documentations |
| VM_OPTIONS_XMX | 256m | See Java Documentations |
| VM_OPTIONS_MAX_METASPACE_SIZE | 256m | See Java Documentations |
| VM_OPTIONS_PERM_SIZE | 512m | See Java Documentations |
| VM_OPTIONS_XMN | 64m | See Java Documentations |
| VM_OPTIONS_SURVIVOR_RATIO | 128 | See Java Documentations |
| CMS_TRIGGER_PERCENT | 70 | See Java Documentations |
| JVM_FILE_ENCODING | UTF-8 | See Java Documentations |
| JVM_TTL | 60 | See Java Documentations |
| JVM_USER_LANGUAGE | en | See Java Documentations |
| JVM_USER_COUNTRY | US | See Java Documentations |
| TZ | Set default Timezone | |
| JAVA_OPTIONS | Additional Java Options | |
| JAR_FILE | /app/application.jar | Jar file you application |
Usage
The developer version, you need mount your volume to maven and gradle.
- $HOME/.kool/m2:/home/kool/.m2
- $HOME/.kool/gradle:/home/kool/.gradle
With kool:
In your application directory:
kool docker -e MAIN_CLASS=your.package.MainClass kooldev/java:8
To production version:
kool docker -e JAR_FILE=yout_application.jar kooldev/java:8-prod
Execute Jshell:
kool docker kooldev/java:11 jshell
With docker run:
docker run -it --rm kooldev/java:11 jshell
With docker-compose.yml:
app:
image: kooldev/java:8
volumes:
- ".:/app:cached"
- "$HOME/.ssh/id_rsa:/home/developer/.ssh/id_rsa:cached"
environment:
ASUSER: "${$UID}"
Contributing
Update images with templates
You should change fwd-template.json for configuration and template folder for the actual base templates.
After any changes, we need to run kool run template to parse the templates and generate all versions folder/files.
License
The MIT License (MIT). Please see License File for more information.
Tag summary
Content type
Image
Digest
Size
306.8 MB
Last updated
about 5 years ago
docker pull kooldev/java:8-g5