Docker & Camunda - A match made in Heaven Containerize and run your BPMN processes and Workflows with Docker and Camunda

1. www.camunda.comtwitter.com/camundaBPM
17.09.15
Sebastian Menski
CamundaCommunityDay2015
Camunda and Docker

2. www.camunda.com
What is Docker
● Released March 2013
● v1.0.0 June 9, 2014
● Lightweight containers
● Completely isolated environments
● All dependencies included
● Easy distributed through registry
● Daemon Linux only
● Clients for Win and Mac
-2-

3. www.camunda.com
Camunda in Docker
● Community Project
https://github.com/camunda/docker-camunda-bpm-platform
https://hub.docker.com/r/camunda/camunda-bpm-platform/
-3-

4. www.camunda.com
Get Started
docker pull camunda/camunda-bpm-platform:latest
docker run -d --name camunda -p 8080:8080 camunda/camunda-bpm-platform:latest
# open browser with url: http://localhost:8080/camunda-welcome/index.html
This starts an container with:
● Java 8
● Apache Tomcat 7.0.62
● Camunda 7.4.0-alpha1
-4-

5. www.camunda.com
Use Cases
● Development
● Testing
● Demo and Presentation
● Proof of Concept
● (Maybe) Deployment
-5-

6. www.camunda.com
Configure Camunda in Docker
● DB_DRIVER
● DB_URL
● DB_USERNAME
● DB_PASSWORD
● SKIP_DB_CONFIG
docker run -d --name camunda -p 8080:8080 --link postgresql:db
-e DB_DRIVER=org.postgresql.Driver
-e DB_URL=jdbc:postgresql://db:5432/process-engine
-e DB_USERNAME=camunda
-e DB_PASSWORD=camunda
camunda/camunda-bpm-platform:latest
-6-

7. www.camunda.com
Customize During Startup
docker run -d --name camunda -p 8080:8080
-v $PWD/bpm-platform.xml:/camunda/conf/bpm-platform.xml
camunda/camunda-bpm-platform:latest
docker run -d --name camunda -p 8080:8080
-v /PATH/TO/DEMO/twitter.war:/camunda/webapps/twitter.war
camunda/camunda-bpm-platform:latest
-7-

8. www.camunda.com
Docker Compose Demo
camunda:
image: camunda/camunda-bpm-platform:tomcat-SNAPSHOT
environment:
- DB_DRIVER=org.postgresql.Driver
- DB_URL=jdbc:postgresql://db:5432/camunda
- DB_USERNAME=camunda
- DB_PASSWORD=camunda
volumes:
- $PWD/target/docker-demo-invoice.war:/camunda/webapps/docker-demo-invoice.
war
links:
- db
ports:
- "8080"
db:
image: postgres
environment:
- POSTGRES_USER=camunda
- POSTGRES_PASSWORD=camunda
-8-

9. www.camunda.com
Create Your Own Docker Image
FROM camunda/camunda-bpm-platform:latest
RUN rm /camunda/webapps/camunda-invoice
ADD my.war /camunda/webapps/my.war
-9-

10. www.camunda.com
Example Workbench
FROM camunda/camunda-bpm-platform:tomcat-latest
ENV VERSION=1.0.0-alpha9 GITHUB=https://github.com/camunda/camunda-bpm-workbench
ADD ${GITHUB}/releases/download/${VERSION}/camunda-workbench-dist-
embeddable-${VERSION}.jar /camunda/lib/
RUN xmlstarlet ed -L
-s //_:process-engine/_:plugins -t elem -n TMP -v ""
-s //TMP -t elem -n class -v
“org.camunda.bpm.debugger.server.EmbeddableDebugWebsocketBootstrap"
-r //TMP -v plugin
/camunda/conf/bpm-platform.xml
EXPOSE 8090 9090
-10-

11. www.camunda.com
Docker Maven Integration
● docker-maven-plugin
https://github.com/rhuss/docker-maven-plugin
○ build, start, stop Docker containers with artifacts
○ Cargo support for integration tests
● Arquillian Cube
https://github.com/arquillian/arquillian-cube
-11-