add postgres/ecto conf

Signed-off-by: rodesousa <[email protected]>

Makefile

@@ -0,0 +1,8 @@
+postgres_run:
+	@docker run -it -d --name pex_db -p 5432:5432 -e POSTGRES_USER=user -e POSTGRES_PASSWORD=dev postgres
+
+postgres_start:
+	@docker start pex_db
+
+postgres_rm:
+	@docker rm -f pex_db

config/config.exs

@@ -0,0 +1,9 @@
+import Config
+
+config :pex, Pex.Repo,
+  database: "pex_repo",
+  username: "user",
+  password: "dev",
+  hostname: "localhost"
+
+config :pex, ecto_repos: [Pex.Repo]

lib/pex/application.ex

@@ -8,6 +8,7 @@ defmodule Pex.Application do
   @impl true
   def start(_type, _args) do
     children = [
+      Pex.Repo
       # Starts a worker by calling: Pex.Worker.start_link(arg)
       # {Pex.Worker, arg}
     ]

lib/pex/repo.ex

@@ -0,0 +1,5 @@
+defmodule Pex.Repo do
+  use Ecto.Repo,
+    otp_app: :pex,
+    adapter: Ecto.Adapters.Postgres
+end