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@christopherlai
christopherlai / Dockerfile
Created Sep 16, 2019
Example Dockerfile for Elixir 1.9.1 umbrella project
View Dockerfile
FROM elixir:1.9.1-alpine as build
ENV MIX_ENV=prod
WORKDIR /build
RUN apk add --no-cache build-base nodejs yarn && \
mix local.hex --force && \
mix local.rebar --force
View webpack.config.js
const path = require('path');
const glob = require('glob');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const VueLoaderPlugin = require('vue-loader/lib/plugin');
const css_loaders = [
@anildigital
anildigital / dynamic_supervisor_example.ex
Created Feb 18, 2018
Simple Example for Dynamic Supervisor
View dynamic_supervisor_example.ex
defmodule Worker1 do
def start_link() do
Task.start_link(fn ->
Stream.repeatedly(fn -> :rand.uniform(1000) end)
|> Stream.each(&:timer.sleep/1)
|> Stream.each(fn _ -> IO.puts("worker 1") end)
|> Stream.run()
end)
end
end
@jswny
jswny / Flexible Dockerized Phoenix Deployments.md
Last active Oct 16, 2019
A guide to building and running zero-dependency Phoenix (Elixir) deployments with Docker. Works with Phoenix 1.2 and 1.3.
View Flexible Dockerized Phoenix Deployments.md

Prelude

I. Preface and Motivation

This guide was written because I don't particularly enjoy deploying Phoenix (or Elixir for that matter) applications. It's not easy. Primarily, I don't have a lot of money to spend on a nice, fancy VPS so compiling my Phoenix apps on my VPS often isn't an option. For that, we have Distillery releases. However, that requires me to either have a separate server for staging to use as a build server, or to keep a particular version of Erlang installed on my VPS, neither of which sound like great options to me and they all have the possibilities of version mismatches with ERTS. In addition to all this, theres a whole lot of configuration which needs to be done to setup a Phoenix app for deployment, and it's hard to remember.

For that reason, I wanted to use Docker so that all of my deployments would be automated and reproducable. In addition, Docker would allow me to have reproducable builds for my releases. I could build my releases on any machine that I wanted in a contai

View Dockerfile
FROM node
RUN mkdir -p /usr/src/app
COPY index.js /usr/src/app
EXPOSE 8080
CMD [ "node", "/usr/src/app/index" ]
@andrewhao
andrewhao / game.ex
Last active May 24, 2019
Dynamic Supervisors in Elixir
View game.ex
defmodule Game do
use GenServer
def init(game_id) do
{:ok, %{game_id: game_id}}
end
def start_link(game_id) do
GenServer.start_link(__MODULE__, game_id, name: {:global, "game:#{game_id}"})
end
@mill1000
mill1000 / README.md
Last active Oct 12, 2019
Headless A2DP Audio Streaming on Raspbian Stretch
View README.md

About

This gist will show how to setup Raspbian Stretch as a headless Bluetooth A2DP audio sink. This will allow your phone, laptop or other Bluetooth device to play audio wirelessly through a Rasperry Pi.

Motivation

A quick search will turn up a plethora of tutorials on setting up A2DP on the Raspberry Pi. However, I felt this gist was necessary because this solution is:

  • Automatic & Headless - Once setup, the system is entirely automatic. No user iteration is required to pair, connect or start playback. Therefore the Raspberry Pi can be run headless.
  • Simple - This solution has few dependencies, readily available packages and minimal configuration.
  • Up to date - As of December 2017. Written for Raspbian Stretch & Bluez 5.43

Prerequisites

@gvaughn
gvaughn / ecto_postgres_fulltext_search_querying_example.ex How to set up postgres fulltext search triggers, index, and tsvector column on Elixir/Phoenix, with Ecto querying, including ranking and sorting by rank
View ecto_postgres_fulltext_search_querying_example.ex
defmodule YourAppName.Search do
# ...
@doc """
Queries listings.
"""
def query_listings(query, current_user) do
default_scope = from l in Listing, where: l.draft == false or l.user_id == ^current_user.id, order_by: [desc: l.updated_at], limit: 50
id = _try_integer(query)
@pmarreck
pmarreck / ecto_postgres_fulltext_search_querying_example.ex
Last active May 8, 2019
How to set up postgres fulltext search triggers, index, and tsvector column on Elixir/Phoenix, with Ecto querying, including ranking and sorting by rank
View ecto_postgres_fulltext_search_querying_example.ex
defmodule YourAppName.Search do
# ...
@doc """
Queries listings.
"""
def query_listings(query, current_user) do
default_scope = from l in Listing, where: l.draft == false or l.user_id == ^current_user.id, order_by: [desc: l.updated_at], limit: 50
id = _try_integer(query)
@boboboa32
boboboa32 / FileWebService.swift
Last active Oct 16, 2019
Moya file download
View FileWebService.swift
import Moya
import SwiftyJSON
enum FileWebService {
case download(url: String, fileName: String?)
var localLocation: URL {
switch self {
case .download(let url, let fileName):
let fileKey: String = url.MD5 // use url's md5 as local file name
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