Web Applications with Eclipse RT and Docker in the Cloud
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The document discusses using Eclipse RT and Docker for web application development in the cloud, emphasizing lightweight containerization for lab environments. It outlines container management through Docker commands, security considerations, and a step-by-step user registration and application upload process. The conclusions highlight Docker's stability and scalability, with future plans for improving management and user interface capabilities.
![Server Client
Button button = new Button(parent, SWT.PUSH);
button.setText("Push me!");
JSON
HTTP
{"head":{"requestCounter":1},
"operations": [...
["create","w3","rwt.widgets.Button",{"parent":"w2","style":["PUSH"],"bounds":[5,5,98,32]}],
["set","w3",{"text":"Push me!"}],...
]}](https://image.slidesharecdn.com/webapplicationswitheclipsertanddockerinthecloudjfs2014public-140723071800-phpapp01/85/Web-Applications-with-Eclipse-RT-and-Docker-in-the-Cloud-7-320.jpg)
![Intro to Docker: Dockerfile
FROM base:ubuntu-12.10
MAINTAINER EclipseSource <admin@eclipsesource.com>
RUN apt-get update && apt-get upgrade -y
RUN apt-get install -y gzip tar curl openjdk-7-jre-headless
RUN useradd -m tomcat
...
EXPOSE 8080
ADD setenv.sh /home/tomcat/bin/setenv.sh
VOLUME ["/home/tomcat/webapps"]](https://image.slidesharecdn.com/webapplicationswitheclipsertanddockerinthecloudjfs2014public-140723071800-phpapp01/85/Web-Applications-with-Eclipse-RT-and-Docker-in-the-Cloud-14-320.jpg)
Web Applications with Eclipse RT and Docker in the Cloud
- 1. Web Applications with Eclipse RT and Docker in the Cloud Johannes Eickhold, Markus Knauer, Florian Waibel
- 3. Sandboxing
- 4. User Perspective ● register ● access ● upload ● manage ● experiment ● play
- 5. Implementing our Vision ● one lightweight container per lab ● minimal / no manual preparation per lab
- 7. Server Client Button button = new Button(parent, SWT.PUSH); button.setText("Push me!"); JSON HTTP {"head":{"requestCounter":1}, "operations": [... ["create","w3","rwt.widgets.Button",{"parent":"w2","style":["PUSH"],"bounds":[5,5,98,32]}], ["set","w3",{"text":"Push me!"}],... ]}
- 9. Heavy to Lightweight Isolation Level Lightweight Heavyweight
- 10. Docker DDoocckkeerr is iiss an aann open ooppeenn platform ppllaattffoorrmm for developers and sysadmins to build, ship, and run distributed applications.
- 11. Intro to Docker Docker uses containers ● LXC (Linux Containers) ○ cgroups and namespaces for strong process isolation and resource control Docker uses a copy-on-write filesystem ● AUFS ○ stacking and layering of containers Docker uses simple configuration language
- 12. Intro to Docker: Containers Docker Container A Docker Container B OSGi Application B Eclipse Virgo Docker Daemon Host OS (Linux) Server Hardware Web Application A Tomcat Base Image Debian Base Image Ubuntu Docker Container C OSGi Application C Eclipse Virgo Base Image Ubuntu API Console Client
- 13. Intro to Docker: Commands $ docker version $ docker search ubuntu $ docker pull ubuntu $ docker run ubuntu cat /etc/os-release $ docker run -t -i ubuntu /bin/bash $ docker run ubuntu apt-get install -y iputils-ping $ docker ps -l $ docker commit --author="Markus Knauer <[email protected]>" -m="Install ping utility" ID123123123123 mknauer/ping $ docker run mknauer/ping ping eclipse.org $ docker run -i -t mknauer/ping /bin/bash
- 14. Intro to Docker: Dockerfile FROM base:ubuntu-12.10 MAINTAINER EclipseSource <[email protected]> RUN apt-get update && apt-get upgrade -y RUN apt-get install -y gzip tar curl openjdk-7-jre-headless RUN useradd -m tomcat ... EXPOSE 8080 ADD setenv.sh /home/tomcat/bin/setenv.sh VOLUME ["/home/tomcat/webapps"]
- 15. Docker Security Docker Daemon is running as root! Beware! Bad things may happen!
- 16. Serving HTTP SSL for https? Dynamic Rewriting?
- 17. The Backend Server :443 :80 User Portal Developer Trial Application User
- 18. Container Container B Container C Dynamic Reverse Proxy++ REST Mapping Service :20002 :20003 A :20001 hhttttpp::////ttaabbrriissttrriiaall..eecclliippsseessoouurrccee..ccoomm//ffoooo//eexxaammpplleess user: foo http://localhost:20002/myapp myapp/examples http://tabristrial.eclipsesource.com/foo/examples
- 20. Using the Lab 1. register at website 2. receive mail with registration key 3. access user portal with registration key (OAuth) 4. upload app (Web Application) 5. URL under which app is available 6. access app Lab Registration (some website) Lab
- 21. Docker Container ● Based on Ubuntu image ● Contains OpenJDK 7 + Virgo Static and dynamic containers linked
- 22. Inside Docker: Virgo Container A :20001 Java VM :8080 ● Deployment mechanism for uploaded app Application Upload ● Virgo Runtime ● RAP and dependencies pre-installed
- 23. Visit the Labs DEMO
- 24. Conclusions ● Docker proved to be stable and flexible and scalable at the same time ● Inspiring cool technology ● Creating Docker images manually is time consuming and error prone
- 25. Outlook ● Put everything into Docker containers ● Switch to Virgo RAP Server base-image ● Use Gradle to build Docker images ● Polish web user interfaces and add more management capabilities to user console ● Release as well documented open source template project
- 26. Questions?