{"id":19656674,"url":"https://github.com/daggerok/heroku-java-buildpack-example","last_synced_at":"2026-05-15T21:39:31.190Z","repository":{"id":56538725,"uuid":"136951519","full_name":"daggerok/heroku-java-buildpack-example","owner":"daggerok","description":"Heroku java buildpack example.","archived":false,"fork":false,"pushed_at":"2020-11-01T22:38:42.000Z","size":206,"stargazers_count":1,"open_issues_count":1,"forks_count":0,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-06-15T17:07:49.028Z","etag":null,"topics":["heroku","herokuapp","java","maven","mvn","mvnw"],"latest_commit_sha":null,"homepage":"https://daggerok.github.io/heroku-java-buildpack-example","language":"Java","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/daggerok.png","metadata":{"files":{"readme":"README.adoc","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2018-06-11T16:18:31.000Z","updated_at":"2018-07-05T11:04:44.000Z","dependencies_parsed_at":"2022-08-15T20:31:44.207Z","dependency_job_id":null,"html_url":"https://github.com/daggerok/heroku-java-buildpack-example","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/daggerok/heroku-java-buildpack-example","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/daggerok%2Fheroku-java-buildpack-example","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/daggerok%2Fheroku-java-buildpack-example/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/daggerok%2Fheroku-java-buildpack-example/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/daggerok%2Fheroku-java-buildpack-example/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/daggerok","download_url":"https://codeload.github.com/daggerok/heroku-java-buildpack-example/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/daggerok%2Fheroku-java-buildpack-example/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":265157199,"owners_count":23719870,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["heroku","herokuapp","java","maven","mvn","mvnw"],"created_at":"2024-11-11T15:28:35.295Z","updated_at":"2026-05-15T21:39:26.168Z","avatar_url":"https://github.com/daggerok.png","language":"Java","funding_links":[],"categories":[],"sub_categories":[],"readme":"= heroku-java-buildpack-example (maven) image:https://travis-ci.org/daggerok/heroku-java-buildpack-example.svg?branch=master[\"Build Status\", link=\"https://travis-ci.org/daggerok/heroku-java-buildpack-example\"] image:https://gitlab.com/daggerok/heroku-java-buildpack-example/badges/master/build.svg[\"Build Status\", link=\"https://gitlab.com/daggerok/heroku-java-buildpack-example/-/jobs\"]\n\n//tag::content[]\n== development\n\n.run locally\n[source,bash]\n----\n./gradlew\njava -jar build/libs/*.jar --spring.profiles.active=dev\nSPRING_PROFILES_ACTIVE=dev bash build/libs/*.jar\n\n./mvnw\njava -Dspring.profiles.active=dev -jar target/*.jar\nbash target/*.jar\n\n./mvnw; ./mvnw com.dkanejs.maven.plugins:docker-compose-maven-plugin:1.0.1:up\n./mvnw com.dkanejs.maven.plugins:docker-compose-maven-plugin:1.0.1:down\n----\n\n== production\n.prepare heroku.yml\n[source,yml]\n----\n# default java build pack will use maven wrapper command: `./mvnw clean innstall`\nbuild:\n  languages:\n    - java\nrun:\n  web: java -Dspring.profiles.active=dev -jar target/*.jar\n----\n\n.install heroku cli\n[source,bash]\n----\nbrew install heroku\n----\n\n.register in heroku.com and login\n[source,bash]\n----\nheroku login\n----\n\n.create heroku app (in my case it's `daggerok-java-buildpack`)\n[source,bash]\n----\nheroku create daggerok-java-buildpack\n----\n\n.customize java/maven versions: create file `system.properties` with content:\n[source,bash]\n----\njava.runtime.version=1.8\nmaven.version=3.5.3\n----\n\n.configure application:\n[source,bash]\n----\nheroku config:set APP_BASE_URL=https://daggerok-java-buildpack.herokuapp.com\nheroku config:set SPRING_PROFILES_ACTIVE=dev\n\n# output:\n# Setting APP_BASE_URL and restarting ⬢ daggerok-java-buildpack... done, v5\n# APP_BASE_URL: https://daggerok-java-buildpack.herokuapp.com\n----\n\n.deploy dev version first (using H2 inmemory database)\n[source,bash]\n----\ngit remote -v | grep heroku\ngit add .\ngit commit -am \"First blood: prepare heroku development deployment.\"\ngit push heroku master\nopen https://daggerok-java-buildpack.herokuapp.com\nheroku logs -t\n----\n\n.for production (heroku) version add postgres database\n[source,bash]\n----\nheroku addons:create heroku-postgresql:hobby-dev\n----\n\n.now let's switch out spring-boot app to production prpofile which is using postgres database:\n[source,bash]\n----\nheroku config:set SPRING_PROFILES_ACTIVE=prod\nheroku logs -t\n# verifu log contains: The following profiles are active: prod,app,spring-boot,data-jpa\n----\n\nlink:\n\n- link:https://github.com/heroku/heroku-buildpack-java[heroku java buildpack]\n\ngenerated by link:https://github.com/daggerok/generator-jvm/[generator-jvm] yeoman generator (java-spring-boot)\n//end::content[]\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdaggerok%2Fheroku-java-buildpack-example","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdaggerok%2Fheroku-java-buildpack-example","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdaggerok%2Fheroku-java-buildpack-example/lists"}