Phoenix Elixir Installation in Windows 10

Here is the full guide on how to set up and install the latest Phoenix Web Framework and Elixir in Windows 10. In this case, I’m using Windows 10 as my day to day software development environment. Please follow the steps below:

In summary, to build a new Phoenix application, we will need to install a few software :

  • the Erlang VM and the Elixir programming language
  • PostgreSQL as default preferable database
  • Node.JS for assets – which can be opt-out, especially if you are building APIs
  • Phoenix Framework
  • Cmder (my favorite terminal in Windows)

1. Dowload and install the softwares

Elixir –
PostgreSQL –
Cmder – (if you like it)
Chocolate Windows 10 –

@"%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -InputFormat None -ExecutionPolicy Bypass -Command “iex ((New-Object System.Net.WebClient).DownloadString(''))" && SET "PATH=%PATH%;%ALLUSERSPROFILE%\chocolatey\bin"

2. Setup NodeJS in Windows 10 with Choco

choco install nodejs-lts

3. Install Phoenix Web Framework

mix local.hex
mix archive.install hex phx_new 1.5.1
mix hello
cd hello

Edit the “config\dev.exs” configuration following your database name, username and password.

4. Run Phoenix Web Server

mix ecto.create
mix phx.server

5. Install Phoenix Live View Dashboard

This is feature just released few days ago, where we have a dashboard to monitor our website performance. First, stop the webserver and go edit mix.exs and add “{:phoenix_live_dashboard, “~> 0.1″}”

  # Specifies your project dependencies.
  # Type `mix help deps` for examples and options.
  defp deps do
      {:phoenix, "~> 1.4.16"},
      {:phoenix_pubsub, "~> 1.1"},
      {:phoenix_ecto, "~> 4.0"},
      {:ecto_sql, "~> 3.1"},
      {:postgrex, ">= 0.0.0"},
      {:phoenix_html, "~> 2.11"},
      {:phoenix_live_reload, "~> 1.2", only: :dev},
      {:gettext, "~> 0.11"},
      {:jason, "~> 1.0"},
      {:plug_cowboy, "~> 2.0"},
      {:phoenix_live_dashboard, "~> 0.1"}

Go to “lib/hello_web/endpoint.ex” and add “socket “/live”, Phoenix.LiveView.Socket”

defmodule HelloWeb.Endpoint do
  use Phoenix.Endpoint, otp_app: :hello

  # The session will be stored in the cookie and signed,
  # this means its contents can be read but not tampered with.
  # Set :encryption_salt if you would also like to encrypt it.
  @session_options [
    store: :cookie,
    key: "_hello_key",
    signing_salt: "FAwt5TSM"

  socket "/socket", HelloWeb.UserSocket,
    websocket: true,
    longpoll: false

  socket "/live", Phoenix.LiveView.Socket

  # Serve at "/" the static files from "priv/static" directory.
  # You should set gzip to true if you are running phx.digest
  # when deploying your static files in production.
  plug Plug.Static,
    at: "/",
    from: :hello,
    gzip: false,
    only: ~w(css fonts images js favicon.ico robots.txt)

  # Code reloading can be explicitly enabled under the
  # :code_reloader configuration of your endpoint.
  if code_reloading? do
    socket "/phoenix/live_reload/socket", Phoenix.LiveReloader.Socket
    plug Phoenix.LiveReloader
    plug Phoenix.CodeReloader

  plug Plug.RequestId
  plug Plug.Telemetry, event_prefix: [:phoenix, :endpoint]

  plug Plug.Parsers,
    parsers: [:urlencoded, :multipart, :json],
    pass: ["*/*"],
    json_decoder: Phoenix.json_library()

  plug Plug.MethodOverride
  plug Plug.Head
  plug Plug.Session, @session_options
  plug HelloWeb.Router

Next, edit your router.ex and add “import Phoenix.LiveDashboard.Router” and

if Mix.env() == :dev do
    scope "/" do
      pipe_through :browser
      live_dashboard "/dashboard"

This is how it looks like

defmodule HelloWeb.Router do
  use HelloWeb, :router
  import Phoenix.LiveDashboard.Router

  pipeline :browser do
    plug :accepts, ["html"]
    plug :fetch_session
    plug :fetch_flash
    plug :protect_from_forgery
    plug :put_secure_browser_headers

  pipeline :api do
    plug :accepts, ["json"]

  scope "/", HelloWeb do
    pipe_through :browser

    get "/", PageController, :index

  if Mix.env() == :dev do
    scope "/" do
      pipe_through :browser
      live_dashboard "/dashboard"

  # Other scopes may use custom stacks.
  # scope "/api", HelloWeb do
  #   pipe_through :api
  # end

Now, start your webserver again and visit “/dashboard”

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