MvnRepo Backend

Spring Boot application written in Kotlin which provides REST-API backend.

Prerequisites

• install oracle java8
• install sdk
• install gradle
• install heroku client
• install rhc

Setup

Setup environmental variables:

• MONGO_URL: for c9 (just set it as in Linux to .profile file)
• PORT: for c9 is configured by default

Build

Build jar of application.

./gradlew build

Run

Run application

./gradlew bootRun

Deploy

Deploy to Heroku

set heroku config:set MONGO_URL=mongodb://<login>:<pwd>@<space>.mlab.com:<port>/<db>
gradle build
gradle deployHeroku

Everything is configured during deployment (Procfile to run jar file, java8).

Deploy to OpenShift

• set environmental variable MONGO_URL (rhc command)
• commit generated *.jar file
  • to generate file use gradle build
  • there is start and deploy action_hooks
  • start and deploy files contains bash script to initialize environmental variables

NOTE: .openshift directory is copied to bitbucket just as backup

Hints

Useful commands:

• gradle build and gradle deployHeroku
• heroku logs -a mvnrepo-backend
• heroku run bash -a mvnrepo-backend
• heroku ps -a mvnrepo-backend

Gradle problem on c9

Consume too much memory -> need to specify max heap size

Generate gradlew file:

gradle wrapper

Add to the gradlew file:

DEFAULT_JVM_OPTS=-Xmx128m
GRADLE_OPTS=-Xmx128m