Use letter_opener instead of mailcatcher

DOCKER.md

@@ -67,10 +67,6 @@ $ docker-compose exec database psql -h database -Upostgres casa_development
 $ docker-compose exec web rails c
 ```
 
-## Mailcatcher
-We use [Mailcatcher](https://mailcatcher.me/) to receive mail in development.
-All mail sent in the development environment can be viewed at http://localhost:1080.
-
 ## Testing Suite
 Run the testing suite from within the container:
 

README.md

@@ -78,12 +78,6 @@ Bullet points `formatted like this` are commands you can run on your machine
   - If you're on Ubuntu/WSL, use `sudo apt-get install libpq-dev` so the gem can install. [Use the Postgres repo for Ubuntu or WSL to get the server and client tools](https://www.postgresql.org/download/linux/ubuntu/).
   - If you're using Docker, do what you need to do.
 
-**Mailcatcher**
-
-1. Install the [Mailcatcher](https://mailcatcher.me) gem: `gem install mailcatcher`
-2. Start mailcatcher on the command line: `mailcatcher`
-3. All mail sent in development can be viewed at http://localhost:1080
-
 **Chromedriver**
 
 1. Install the current stable release of [chromedriver](https://chromedriver.chromium.org/) for your operating system so the browser-based Ruby feature/integration tests can run. Installing `chromium-browser` is enough, even in WSL.

config/docker.env

@@ -1,6 +1,5 @@
 DOCKER=true
 DATABASE_HOST=database
-MAILCATCHER_HOST=mailcatcher
 
 POSTGRES_USER=postgres
 POSTGRES_HOST_AUTH_METHOD=trust

config/environments/development.rb

@@ -1,16 +1,6 @@
 Rails.application.configure do
   # Settings specified here will take precedence over those in config/application.rb.
 
-  config.action_mailer.default_url_options = {host: "localhost", port: 3000} # for devise authentication
-
-  config.action_mailer.raise_delivery_errors = false
-  config.action_mailer.delivery_method = :smtp
-  config.action_mailer.smtp_settings = {
-    address: ENV["MAILCATCHER_HOST"] || "127.0.0.1",
-    port: 1025,
-    domain: "127.0.0.1"
-  }
-
   # In the development environment your application's code is reloaded on
   # every request. This slows down response time but is perfect for development
   # since you don't have to restart the web server when you make code changes.
@@ -46,6 +36,7 @@
   config.action_mailer.perform_deliveries = true
   config.action_mailer.raise_delivery_errors = false
   config.action_mailer.perform_caching = false
+  config.action_mailer.default_url_options = { host: "localhost", port: 3000 }
 
   # Print deprecation notices to the Rails logger.
   config.active_support.deprecation = :log

docker-compose.yml

@@ -23,12 +23,6 @@ services:
     ports:
       - '5435:5432'
 
-  mailcatcher:
-    image: schickling/mailcatcher:latest
-    ports:
-      - '1080:1080'
-      - '1025:1025'
-
   selenium_chrome:
     image: selenium/standalone-chrome-debug
     logging: