eiri

FROM bitnami/minideb:stretch

MAINTAINER Eric Avdey <[email protected]>

ENV ESL_REPO=http://packages.erlang-solutions.com/debian \
    ESL_DIST=esl-erlang \
    ESL_VER=1:19.3.6

WORKDIR /tmp

eiri

[Erln8]
color=true
banner=false
default_config=default
system_default=r20

[Repos]
default=https://github.com/erlang/otp.git

[Erlangs]

eiri

$ erl -noshell -eval 'erlang:display(erlang:system_info(system_version))' -eval 'init:stop()'
"Erlang/OTP 20 [erts-9.1.1] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:10] [hipe] [kernel-poll:false] [dtrace]\n"

eiri

Vagrant setup for go dev

Overview

• Linux: Debian Stretch
• Provisioning: Ansible
• Go: 1.9.1

Pre-requirements

• VirtualBox: 5.1.28
• Vagrant: 2.0.0

eiri

Edit CouchDB design document with curl

create new database

$ curl -X PUT http://localhost:5984/koi
{"ok":true}

create a single document

$ curl -X POST http://localhost:5984/koi -d '{"name":"alice","age":25}' -H'Content-Type:application/json'

eiri

Short primer on using attachment in CouchDB

In db "koi" create a doc named "tesla"

$ http put :5984/koi/tesla name=alice
{
    "id": "tesla", 
    "ok": true, 
    "rev": "1-2350796167caec1f6ba70e9145a9e102"

eiri

REST Cheatshit

REST to CRUD

• POST - create
• GET - read
• PUT - update (replace)
• PATCH - update (partial)
• DELETE - delete
• HEAD - verify

eiri

Working with local documents in CouchDB

Create

No such document

$ http :5984/koi/_local/020
{
    "error": "not_found", 
    "reason": "missing"
}

eiri

Start dev cluster:

$ ./dev/run --admin eiri:eiri
[ * ] Setup environment ... ok
[ * ] Ensure CouchDB is built ... ok
[ * ] Prepare configuration files ... ok
[ * ] Start node node1 ... ok
[ * ] Start node node2 ... ok
[ * ] Start node node3 ... ok
[ * ] Check node at http://127.0.0.1:15984/ ... ok

eiri

- name: activate erlang 17.5 on login
  lineinfile:
    dest: /home/vagrant/.bashrc
    line: "{{item.line}}"
    insertafter: "{{item.insertafter}}"
    state: present
  with_items:
    - insertafter: "#alias l='ls -CF'"
      line: '# activate erlang 17.5'
    - insertafter: '# activate erlang 17.5'