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.circleci Fix circleci config problem Oct 17, 2018
velog-backend Prepares Series Editor component Jan 16, 2019
velog-frontend Fixes client rendering bug in SeriesContainer Jan 18, 2019
velog-ssr Complete user history Oct 21, 2018
.gitignore initial commit Dec 5, 2017 Implement basic search api Dec 6, 2018 Fixes #55 Nov 26, 2018
velog.code-workspace rewrote base module Mar 14, 2018


velog is a blog platform for developers. It provides compfy markdown editor with syntax highlighter enabled. Currently, the service is only available in Korean.

The whole process of project development is recorded in my Youtube Channel. Live stream is held at 11:00 PM KST everyday.

Project Stack


Following items are core frontend technologies used in this project:

  • React
  • React Router v4
  • Sass
  • Flow
  • Redux
  • Redux-pender
  • Immer
  • Marked
  • Prismjs
  • CodeMirror


Following items are core backend technologies used in this project:

  • Node.js
  • Koa
  • Sequelize
  • Sequelize-cockroachdb
  • Serverless (with AWS Lambda)
  • Flow (on Service API)
  • TypeScript (on SSR)

Project Architecture

(Image above is created with Cloudcraft)

This service heavily relies on AWS Lambda. Its server side rendering function and every service API are hosted on AWS Lambda.

Run on your machine

If you want to run velog on your machine, please check Guidelines document.


Any kinds of contributions are welecomed. Since the test codes of the project is not completed yet, pull requests might take a while.