nextcloud-docs/erlang/README.md

Note: this is the "per-architecture" repository for the riscv64 builds of the erlang official image -- for more information, see "Architectures other than amd64?" in the official images documentation and "An image's source changed in Git, now what?" in the official images FAQ.

Quick reference

• Maintained by:
  the Docker Community

• Where to get help:
  the Docker Community Slack, Server Fault, Unix & Linux, or Stack Overflow

Supported tags and respective Dockerfile links

WARNING: THIS IMAGE IS NOT SUPPORTED ON THE riscv64 ARCHITECTURE

Quick reference (cont.)

• Where to file issues:
  https://github.com/erlang/docker-erlang-otp/issues

• Supported architectures: (more info)
  amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x

• Published image artifact details:
  repo-info repo's repos/erlang/ directory (history)
  (image metadata, transfer size, etc)

• Image updates:
  official-images repo's library/erlang label
  official-images repo's library/erlang file (history)

• Source of this description:
  docs repo's erlang/ directory (history)

What is Erlang?

Erlang is a programming language used to build massively scalable soft real-time systems with requirements on high availability. Some of its uses are in telecoms, banking, e-commerce, computer telephony and instant messaging. Erlang's runtime system has built-in support for concurrency, distribution and fault tolerance.

wikipedia.org/wiki/Erlang_(programming_language)

How to use this image

Run it as the REPL

➸ docker run -it --rm riscv64/erlang
Erlang/OTP 20 [erts-9.0] [source] [64-bit] [smp:8:8] [ds:8:8:10] [async-threads:10] [hipe] [kernel-poll:false]

Eshell V9.0  (abort with ^G)
1> uptime().
3 seconds
ok
2>                                 % use Ctrl+G to call the shell switch
User switch command
 --> ?
  c [nn]            - connect to job
  i [nn]            - interrupt job
  k [nn]            - kill job
  j                 - list all jobs
  s [shell]         - start local shell
  r [node [shell]]  - start remote shell
  q                 - quit erlang
  ? | h             - this message
 --> q
➸ docker run -it --rm -h erlang.local riscv64/erlang erl -name [email protected]
Erlang/OTP 20 [erts-9.0] [source] [64-bit] [smp:8:8] [ds:8:8:10] [async-threads:10] [hipe] [kernel-poll:false]

Eshell V9.0  (abort with ^G)
([email protected])1> erlang:system_info(otp_release).
"20"
([email protected])2>
User switch command
--> q

Run a single Erlang escript

$ docker run -it --rm --name erlang-inst1 -v "$PWD":/usr/src/myapp -w /usr/src/myapp riscv64/erlang escript your-escript.erl

License

View license information for the software contained in this image.

1. From OTP 18 and above, Erlang is released under Apache License 2.0
2. The previous are released under Erlang Public License (EPL). EPL is a derivative work of the Mozilla Public License (MPL). It contains terms which differ from MPL, mainly in terms of jurisdiction. The license is constructed in accordance with the laws of Sweden.

As with all Docker images, these likely also contain other software which may be under other licenses (such as Bash, etc from the base distribution, along with any direct or indirect dependencies of the primary software being contained).

Some additional license information which was able to be auto-detected might be found in the repo-info repository's erlang/ directory.

As for any pre-built image usage, it is the image user's responsibility to ensure that any use of this image complies with any relevant licenses for all software contained within.