Docker Setup

Dockerfile

@@ -0,0 +1,12 @@
+FROM elixir:1.3
+
+RUN curl -sL https://deb.nodesource.com/setup_5.x | bash -
+RUN apt-get update && apt-get install -y \
+  nodejs \
+  inotify-tools
+
+RUN mkdir /app
+WORKDIR /app
+
+ENTRYPOINT ["sh", "docker-entrypoint.sh"]
+CMD ["mix", "phoenix.server"]

README.md

@@ -26,7 +26,21 @@ The user flow is as follows:
 
 ## Development Setup
 
-### Prerequisites
+There are two ways to set up this application – using Docker or install everything natively on macOS.
+In either case you will have to:
+
+* Clone this repository and
+* Copy the `dev.secret.exs.sample` file to `dev.secret.exs` and add the appropriate values
+
+### Option 1: Use Docker
+
+* Get [Docker Community Edition for your platform](https://store.docker.com/search?type=edition&offering=community)
+* Run `docker-compose up web`.
+* Open http://localhost:4000 in your browser
+
+### Option 2: Native Installation on macOS
+
+#### Prerequisites
 
 The app is built using:
 
@@ -36,52 +50,50 @@ The app is built using:
 * PostgreSQL `9.4`
 * Redis `3.2`
 
-#### Homebrew
+##### Homebrew
 
 Homebrew is a package manger for OSX, we'll use this install `node` and `elixir`.
 
 ```
 ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
 ```
 
-#### Elixir
+##### Elixir
 
 Install Elixir via Homebrew
 
 ```
 brew install elixir
 ```
 
-#### Postgresql
+##### Postgresql
 
 Install PostgreSQL using the [Postgres.app](http://postgresapp.com)
 
-#### Node.js
+##### Node.js
 
 Install noedejs via Homebrew
 
 ```
 brew install nodejs
 ```
 
-#### Redis
+##### Redis
 
 Install redis via Homebrew
 
 ```
 brew install redis
 ```
 
-### Setup
+#### Setup
 
-* Clone the repo
-* Copy the `dev.secret.exs.sample` file to `dev.secret.ext` and add the appropriate values
 * Install dependencies with `mix deps.get`
   * If you get errors here, open a new terminal window. Some commands don't yet have proper binding if you've just installed `elixir` from Homebrew.
 * Create and migrate your database with `mix ecto.create && mix ecto.migrate`
 * Install Node.js dependencies with `npm install`
 
-### Running the App
+#### Running the App
 
 To start the app locally:
 

config/dev.exs

@@ -36,7 +36,9 @@ config :phoenix, :stacktrace_depth, 20
 config :espi_dni, EspiDni.Repo,
   adapter: Ecto.Adapters.Postgres,
   database: "espi_dni_dev",
-  hostname: "localhost",
+  hostname: System.get_env("DATABASE_HOST") || "localhost",
+  username: System.get_env("DATABASE_USER") || "postgres",
+  password: System.get_env("DATABASE_PASSWORD"),
   pool_size: 10
 
 config :rollbax,
@@ -48,7 +50,7 @@ config :rollbax, enabled: :log
 
 # configure exq for background jobs with redis
 config :exq,
-  host: "127.0.0.1",
+  host: System.get_env("REDIS_HOST") || "localhost",
   port: 6379,
   namespace: "exq",
   concurrency: 1000,

config/test.exs

@@ -13,7 +13,9 @@ config :logger, level: :warn
 config :espi_dni, EspiDni.Repo,
   adapter: Ecto.Adapters.Postgres,
   database: "espi_dni_test",
-  hostname: "localhost",
+  hostname: System.get_env("DATABASE_HOST") || "localhost",
+  username: System.get_env("DATABASE_USER") || "postgres",
+  password: System.get_env("DATABASE_PASSWORD"),
   pool: Ecto.Adapters.SQL.Sandbox,
   ownership_timeout: 50_0000
 
@@ -24,6 +26,14 @@ config :rollbax,
 # Set rollbar erorrs to just log locally
 config :rollbax, enabled: :log
 
+# configure exq for background jobs with redis
+config :exq,
+  host: System.get_env("REDIS_HOST") || "localhost",
+  port: 6379,
+  namespace: "exq-test",
+  concurrency: 1000,
+  queues: ["default"]
+
 config :espi_dni, EspiDni.Plugs.RequireSlackToken,
   slack_token: "test-slack-token"
 

docker-compose.yml

@@ -0,0 +1,22 @@
+web:
+  build: .
+  volumes:
+    - .:/app
+  ports:
+    - 4000:4000
+  links:
+    - db
+    - redis
+  environment:
+    DATABASE_HOST: db
+    REDIS_HOST: redis
+
+db:
+  image: postgres
+  ports:
+    - 5432:5432
+
+redis:
+  image: redis
+  ports:
+    - 6379:6379

docker-entrypoint.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+#set -e
+
+mix local.hex --force
+mix deps.get
+mix ecto.create && mix ecto.migrate
+npm install
+
+exec "$@"