{"id":16119423,"url":"https://github.com/codingchili/flashcards-webapp","last_synced_at":"2026-03-10T09:02:24.011Z","repository":{"id":87434320,"uuid":"100884302","full_name":"codingchili/flashcards-webapp","owner":"codingchili","description":"Vert.x and Polymer web app for creating, studying and sharing flashcards online. 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Built as microservices using [chili-core](https://github.com/codingchili/chili-core).\n\nSee the demo for v1.0.0 on [YouTube](https://www.youtube.com/watch?v=1LcJ4d6hzA8).\nOr try it for yourself at [FlashCardsAlligator](https://flashcardsalligator.com/).\n\n![category search](https://raw.githubusercontent.com/codingchili/flashcards-webapp/5dc830d03f2b5b339edbfbd550964f1002744ddb/category-search.png)\n\n## Build \u0026 run\n\nBuild the flashcards jar\n\n```console\ngradlew jar\n``` \n\nStart the app\n\n```console\njava -jar \u003cfilename\u003e.jar\n``` \n\nPackage distribution\n```console\ngradlew archiveZip\n```\n\n## Features\nPlanned features\n- group flashcards into categories\n- share categories with friends\n- make a category public\n- keep track on users scores per category\n- allow media content on cards\n- select answers to cards from a predefined list\n- hotkeys:\n  - Answer, Skip, Delete, Flip, Edit\n\n## Libraries \u0026 Frameworks\nThis project makes use of some awesome libraries, including\n- [vertx](https://github.com/eclipse/vert.x)\n- [hazelcast](https://github.com/hazelcast/hazelcast)\n- [elasticsearch](https://github.com/elastic/elasticsearch)\n- [cqengine](https://github.com/npgall/cqengine)\n- [mongodb](https://github.com/mongodb/mongo)\n- [polymer](https://github.com/Polymer/polymer)\n\nIt is also built using the [chili-core](https://github.com/codingchili/chili-core) framework!\n\n## Updating certificates on the demo environment\n```console\n# force if certbot says certs are not due for renewal yet.\nsudo certbot renew --force-renewal\nsudo cp /etc/letsencrypt/live/flashcardsalligator.com/privkey.pem ./\nsudo cp /etc/letsencrypt/live/flashcardsalligator.com/fullchain.pem ./\n\n# remember to set a password for the intermediate keystore, keytool bugs out otherwise.\nopenssl pkcs12 -export -out keystore.pkcs12 -in fullchain.pem -inkey privkey.pem\n\n# genereate the java keystore\nkeytool -importkeystore -srckeystore keystore.pkcs12 -srcstoretype PKCS12 -destkeystore keystore2.jks\n```\n\n## Contributing\n1. Submit a PR!\n2. Get it reviewed and tested\n3. Deployed to live servers! (TBD)\n\n[![donate](https://img.shields.io/badge/donate-%CE%9ETH%20/%20%C9%83TC-ff00cc.svg?style=flat\u0026logo=ethereum)](https://commerce.coinbase.com/checkout/673e693e-be6d-4583-9791-611da87861e3)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcodingchili%2Fflashcards-webapp","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcodingchili%2Fflashcards-webapp","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcodingchili%2Fflashcards-webapp/lists"}