Sample
- username definition
- runtime installation
- Use the environment variables to retrieve from outside the container
FAQs
CMD 與 ENTRYPOINT 的差別
CMD 是 docker run 的 default command
CMD 與 ENTRYPOINT 搭配使用
https://docs.docker.com/engine/reference/builder/#understand-how-cmd-and-entrypoint-interact
ADD 與 COPY 的差別
ADD 與 COPY 功能相似, 只是 ADD 多了下面兩個功能
- ADD allows
<src>to be an URL - If the
<src>parameter of ADD is an archive in a recognised compression format, it will be unpacked
Multi-process in Docker container
- Supervisord
- S6 (參考文章)
References
- CMD 與 ENTRYPOINT 的差別參考: Dockerfile最佳实践（一）
- Guidance for Docker Image Authors