Codecamp - Cluj-Napoca - 2016

Table of Contents

• Description
• Presentation Slides
• Event Photos
• 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 "Creating a CI/CD pipeline for a Java EE application in the cloud" session at Codecamp Cluj-Napoca IT event, which took place in Cluj-Napoca on November 19th, 2016.

Presentation Slides

• SlideShare: http://www.slideshare.net/satrapu/creating-a-cicd-pipeline-for-a-java-ee-application-in-the-cloud

Event Photos

• Facebook: https://www.facebook.com/CodecampRO/photos/?tab=album&album_id=1142617649109328

Continuous Integration

• snap-ci:

Live Application

https://codecamp-cluj-2016.herokuapp.com/

References

• Heroku Cloud Application Platform
  • Official Site: https://www.heroku.com/home/
  • Pricing: https://www.heroku.com/pricing/
  • Architecture: https://devcenter.heroku.com/categories/heroku-architecture/
  • Limits: https://devcenter.heroku.com/articles/limits/
  • Elements: https://elements.heroku.com/
  • Buildpacks: https://devcenter.heroku.com/articles/buildpacks/
    • Java Buildpack: https://github.com/heroku/heroku-buildpack-java/
  • Deployment: https://devcenter.heroku.com/categories/deployment/
  • Pipelines: https://devcenter.heroku.com/articles/pipelines/
  • Heroku CLI: https://devcenter.heroku.com/categories/command-line/
  • 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/
  • PostgreSQL on Heroku: 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: 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
  • Alternatives:
    • Spring: https://spring.io/
    • Others
• Flyway
  • Official Site: https://flywaydb.org/
  • Documentation: https://flywaydb.org/documentation/
  • Alternatives:
    • Liquibase: http://www.liquibase.org/
    • Others
• Snap CI
  • Official Site: https://snap-ci.com/
  • Documentation: https://docs.snap-ci.com/
  • Alternatives:
    • CircleCI: https://circleci.com/
    • Semaphore: https://semaphoreci.com/
    • Others

Useful Heroku CLI commands

• Run Heroku application on a Windows machine:

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

• Run Heroku application on a macOS machine:

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

• Display all environment variables defined on the Heroku node:

heroku run printenv --app codecamp-cluj-2016

• Display all config vars defined inside the Heroku application:

heroku config --app codecamp-cluj-2016

• Display the details of the Heroku node OS:

heroku run 'cat /etc/*-release' --app codecamp-cluj-2016

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

heroku logs -t -n 250 --app codecamp-cluj-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 codecamp-cluj-2016