Add ca-certificates for runtime dependency
When you use shadowsocks/shadowsocks-libev with [v2ray-plugin](https://github.com/shadowsocks/v2ray-plugin), it may occurs `x509: certificate signed by unknown authority` error.
* Update README.md in docker/alpine
- Replace contents with the usage of the image auto-built by Docker Cloud
- Add descriptions on the customizable environment variables
* Update Dockerfile maintainer list
Refer to #1914
* Install rng-tools as runtime dependency
* Remove unnecessary 'git submodule update', as Docker Cloud runs 'git submodule update' after cloning the repository
* Replace variable SERVER_PORT with fixed port 8388, as it can't be customized with -e anyway
* Use the repository as context, instead of released .tar.gz
* Remove version information from Dockerfile, and let Docker Cloud handle it
* Add .dockerignore
Next steps:
1. Connect repository in Docker Cloud
2. Setup automated builds:
- A push on `master` branch triggers build for `unstable` tag
- A tag matching /^v[0-9]+(\.[0-9]+){2}$/ triggers build for a same-named tag
Refer to #1914
Alpine 3.7 libtool pkg depends on bash pkg, this caused the compile hangs at "checking that generated files are newer than configure...", after check [this thread](https://forums.docker.com/t/problem-of-hanging-autoreconf/41015/3), I remove libtool and it works.
Add experimental HTTP/TLS obfuscating as an **optional extension** of shadowsocks protocol.
More discussions can be found here: https://github.com/shadowsocks/shadowsocks-org/issues/26
As this feature is still a SIP (Shadowsocks Improvement Proposal), it's very unstable and experimental. So,
1. Don't enable it unless you know what it is.
2. Be very careful when using it in production environment.
John
mmx
David Osztertag
Kebin Liu
Max Lv
edsgerlin
hwchan
zhuzeitou
Sah
玩牛牛
Secbone
Jiewei Qian
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Asynchronous Interruption #0
John Hu
Samuel X. S. Tseng
ahxxm
Wenxuan Zhao
kev