iQuest Keyboards & Mice - Brașov - 2016

Table of Contents

• Description
• Presentation Slides
• Presentation Video
• Event Photos
• Event Highlights Video
• Continuous Integration
• Live Application
• References
• Useful Heroku CLI commands

Description

This repo contains the source code of a JEE 7 web application used during the "Deploying JEE to HEROKU" session at the "Keyboards & Mice" iQuest public event, which took place in Brașov on October 12th, 2016.
The web application is composed of a servlet which reads some rows from a database via JPA, a simplified setup meant to present one approach to performing deployments on Heroku cloud application platform.

Presentation Slides

• SlideShare: http://www.slideshare.net/satrapu/deploying-jee-to-heroku

Presentation Video [Romanian]

• Youtube: https://www.youtube.com/watch?v=7OHYeat8rQM

Event Photos

• Flickr: https://www.flickr.com/photos/iquestgroup/sets/72157671845375494

Event Highlights Video

• Youtube: https://www.youtube.com/watch?v=otZuVHMsmow

Continuous Integration

• drone.io:

Live Application

http://iq-kam-brasov-2016.herokuapp.com/demo/

References

• Heroku
  • Official Site: https://www.heroku.com/home
  • Pricing: https://www.heroku.com/pricing
  • Heroku Architecture: https://devcenter.heroku.com/categories/heroku-architecture
  • Limits: https://devcenter.heroku.com/articles/limits
  • Elements: https://elements.heroku.com/
  • Heroku CLI: https://devcenter.heroku.com/categories/command-line
  • Buildpacks: https://devcenter.heroku.com/articles/buildpacks
  • Deployment: https://devcenter.heroku.com/categories/deployment
  • Error Codes: https://devcenter.heroku.com/articles/error-codes
  • Java on Heroku: https://devcenter.heroku.com/categories/java
    • Customize Maven: https://github.com/heroku/heroku-buildpack-java#customize-maven
    • Heroku Java Support: https://devcenter.heroku.com/articles/java-support
    • Troubleshooting Memory Issues in Java Applications: https://devcenter.heroku.com/articles/java-memory-issues
    • Remote Debugging: https://jkutner.github.io/2015/05/19/heroku-remote-debug-java.html - TO BE CONFIRMED!!!
  • PostgreSQL: https://devcenter.heroku.com/categories/heroku-postgres
    • Connecting in Java: https://devcenter.heroku.com/articles/heroku-postgresql#connecting-in-java
  • Alternatives:
    • Red Hat OpenShift: https://www.openshift.com/
    • IBM Blue Mix: http://www.ibm.com/cloud-computing/bluemix/
    • Others
• WildFly Swarm
  • Official Site: http://wildfly-swarm.io/
  • User Guide: https://www.gitbook.com/book/wildfly-swarm/wildfly-swarm-users-guide/details
  • Generator: http://wildfly-swarm.io/generator/
  • Just Enough App Server with WildFly Swarm presentation by Antonio Goncalves: https://antoniogoncalves.org/2016/07/13/just-enough-app-server-with-wildfly-swarm/
  • Alternatives:
    • Payara Micro Edition: http://www.payara.fish/payara_micro
    • Spring Boot: http://projects.spring.io/spring-boot/
    • Others
• Java Enterprise Edition 7
  • Official Site: http://www.oracle.com/technetwork/java/javaee/overview/index.html
  • JEE7 Tutorial: https://docs.oracle.com/javaee/7/tutorial/
  • Ticket Monster: http://developers.redhat.com/ticket-monster
• Database Migration Tools
  • Flyway: http://www.hascode.com/2013/04/easy-database-migrations-using-flyway-java-ee-6-and-glassfish/
  • Liquibase: http://www.hascode.com/2014/07/java-ee-7-database-migrations-with-liquibase-and-wildfly/
  • Others
• Drone.io
  • Official Site: https://drone.io/
  • Docs:
    • Old: http://docs.drone.io/
    • New: http://readme.drone.io/
  • Source Code: https://github.com/drone/drone/
  • Demos: https://github.com/drone-demos/
  • Plugins: https://github.com/drone-plugins/
  • Heroku Deployments: http://docs.drone.io/heroku.html
  • Alternatives:
    • CodeShip: https://documentation.codeship.com/continuous-deployment/deployment-to-heroku/
    • Travis CI: https://docs.travis-ci.com/user/deployment/heroku
    • Others

Useful Heroku CLI commands

• Run Heroku application on a Windows machine:

heroku local -f Procfile.windows -e .env -p 6789

• Display all environment variables defined on the Heroku node:

heroku run printenv --app iq-kam-brasov-2016

• Display all config vars defined inside the Heroku application:

heroku config --app iq-kam-brasov-2016

• Display the details of the Heroku node OS:

heroku run 'cat /etc/*-release' --app iq-kam-brasov-2016

• Display the last 250 logged messages and keep monitoring the log:

heroku logs -t -n 250 --app iq-kam-brasov-2016

• Copy config var "DATABASE_URL", which contains the URL pointing to the Heroku managed PostgreSQL database, from Heroku application to the local .env file:

heroku config:get DATABASE_URL -s  >> .env --app iq-kam-brasov-2016