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生成你自己的O'RLY动物书封面,让你的同事惊掉下巴 spread retract

  • Go 64.1%
  • Vue 27.8%
  • JavaScript 4.1%
  • Makefile 1.4%
  • HTML 1.2%
  • Other 1.4%
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O'RLY Cover Generator

O'RLY Cover Generator is a parody book cover generator, implemented in Golang and Vue.js, supporting a wide range of language including CJK.

O'RLY is living at

Docker images can be found at

Docker Image

docker pull nanmu42/orly:[tag]

Refer to for available tags.

Develop O'RLY

O'RLY can be built in following commands:

mkdir -p assets
cd assets
wget -nc
wget -nc
cd ..
make all

O'RLY consists of an API instance and a static frontend:

  • API source lies in cmd/rly;
  • Frontend source lies in frontend

Animal images and font files are in coverimage and font respectively.

More documentations can be found in their directory.

Contributes O'RLY

Contributions are always welcome!

Here are a few directions if you are interested:

  • Help translating the frontend(we are using Vue i18n)
  • Improve O'RLY
  • Add New Features
  • Raise a bug report

Or simply...

  • Sharing the fun :wink:


Many thanks :hugs: to following contributors:

Projects in Brotherhood

There are several projects which share the idea:


"O'RLY Cover Generator" is just a parody, and it has no concern with O'Reilly Media.

This work uses Source Han Serif and Source Han Sans from Adobe and Google, with participation from partner foundries Changzhou SinoType in China, Iwata Corporation in Japan, and Sandoll Communications in Korea.

This work uses TrueType version of Source Sans Pro from Adobe by Paul D. Hunt.

The animal(well, not all of them are animal) images are from the USF ClipArt ETC project.


The author would like to thank JetBrains for providing a JetBrains Open Source license for his open source developments.


Use of this work is governed by a MIT License.

You may find a license copy in project root.