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Add bin/test-email release task to verify SMTP delivery

f68263a · gmorell · 2026-06-23 17:20

7 files +56 -0

Message

{commit_body(@commit)}

Files changed

modified lib/feed_pug/release.ex

+44 −0

@@ -29,6 +29,50 @@ defmodule FeedPug.Release do

29	29	{:ok, _, _} = Ecto.Migrator.with_repo(repo, &Ecto.Migrator.run(&1, :down, to: version))
30	30	end
31	31
	32	+ @doc """
	33	+ Sends a test email through the configured mailer, to verify SMTP delivery in a
	34	+ deployed release. Recipient comes from the argument or the `TEST_EMAIL` env.
	35	+
	36	+ bin/feed_pug eval 'FeedPug.Release.send_test_email("you@example.com")'
	37	+ # or: bin/test-email you@example.com
	38	+ """
	39	+ def send_test_email(recipient \\ System.get_env("TEST_EMAIL")) do
	40	+ load_app()
	41	+ {:ok, _} = Application.ensure_all_started(:swoosh)
	42	+ _ = Application.ensure_all_started(:gen_smtp)
	43	+
	44	+ to =
	45	+ recipient \|\|
	46	+ raise "no recipient — pass one or set TEST_EMAIL (e.g. bin/test-email you@example.com)"
	47	+
	48	+ config = Application.get_env(@app, FeedPug.Mailer, [])
	49	+ IO.puts("Mailer adapter: #{inspect(Keyword.get(config, :adapter))}")
	50	+ IO.puts("Sending test email to #{to} …")
	51	+
	52	+ email =
	53	+ Swoosh.Email.new()
	54	+ \|> Swoosh.Email.to(to)
	55	+ \|> Swoosh.Email.from(
	56	+ {Keyword.get(config, :from_name, "FeedPug"),
	57	+ Keyword.get(config, :from_address, "noreply@localhost")}
	58	+ )
	59	+ \|> Swoosh.Email.subject("FeedPug SMTP test")
	60	+ \|> Swoosh.Email.text_body(
	61	+ "Test email from FeedPug at #{DateTime.utc_now()}.\n" <>
	62	+ "If you received this, outbound mail delivery is working.\n"
	63	+ )
	64	+
	65	+ case FeedPug.Mailer.deliver(email) do
	66	+ {:ok, meta} ->
	67	+ IO.puts("✓ delivered: #{inspect(meta)}")
	68	+ :ok
	69	+
	70	+ {:error, reason} ->
	71	+ IO.puts("✗ delivery failed: #{inspect(reason)}")
	72	+ System.halt(1)
	73	+ end
	74	+ end
	75	+
32	76	defp repos do
33	77	Application.fetch_env!(@app, :ecto_repos)
34	78	end

added rel/overlays/bin/test-email

+12 −0

@@ -0,0 +1,12 @@

	1	+#!/bin/sh
	2	+set -eu
	3	+
	4	+cd -P -- "$(dirname -- "$0")"
	5	+
	6	+# Usage: bin/test-email [recipient]
	7	+# Falls back to the TEST_EMAIL env var when no argument is given.
	8	+if [ "$#" -ge 1 ]; then
	9	+ exec ./feed_pug eval "FeedPug.Release.send_test_email(\"$1\")"
	10	+else
	11	+ exec ./feed_pug eval "FeedPug.Release.send_test_email()"
	12	+fi

Parents: a9a7933