diff --git a/.env.example b/.env.example
index b667033..b522814 100644
--- a/.env.example
+++ b/.env.example
@@ -7,6 +7,8 @@ SMTP_DOMAIN=example.com
 SMTP_AUTH_METHOD=plain
 SMTP_ENABLE_STARTTLS=auto
 
+REDIS_URL='redis://localhost:6379/1'
+
 LDAP_HOST=localhost
 LDAP_PORT=389
 LDAP_ADMIN_PASSWORD=passthebutter
diff --git a/Dockerfile b/Dockerfile
index 0eead4c..f2692e7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,13 @@
 # syntax=docker/dockerfile:1
 FROM ruby:2.7.6
-RUN apt-get update -qq && apt-get install -y curl ldap-utils
+
+SHELL ["/bin/bash", "-o", "pipefail", "-c"]
+
+RUN apt-get update -qq && apt-get install -y --no-install-recommends curl \
+      ldap-utils tini
 RUN curl -fsSL https://deb.nodesource.com/setup_lts.x | bash -
 RUN apt-get update && apt-get install -y nodejs
+
 WORKDIR /akkounts
 COPY Gemfile /akkounts/Gemfile
 COPY Gemfile.lock /akkounts/Gemfile.lock
@@ -12,11 +17,5 @@ RUN gem install foreman
 RUN npm install -g yarn
 RUN yarn install
 
-# Add a script to be executed every time the container starts.
-COPY docker/entrypoint.sh /usr/bin/
-RUN chmod +x /usr/bin/entrypoint.sh
-ENTRYPOINT ["entrypoint.sh"]
+ENTRYPOINT ["/usr/bin/tini", "--"]
 EXPOSE 3000
-
-# Configure the main process to run when running the image
-CMD ["bin", "dev"]
diff --git a/README.md b/README.md
index b2e7205..6ff6c17 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ so:
 
 1. Make sure [Docker Compose is installed][1] and Docker is running (included in
    Docker Desktop)
-2. Uncomment the `web` section in `docker-compose.yml`
+2. Uncomment the `redis`, `web`, and `sidekiq` sections in `docker-compose.yml`
 3. Run `docker compose up` and wait until 389ds announces its successful start
    in the log output
 4. `docker-compose exec ldap dsconf localhost backend create --suffix="dc=kosmos,dc=org" --be-name="dev"`
diff --git a/app/models/setting.rb b/app/models/setting.rb
index e86a79c..dff6425 100644
--- a/app/models/setting.rb
+++ b/app/models/setting.rb
@@ -2,6 +2,13 @@
 class Setting < RailsSettings::Base
   cache_prefix { "v1" }
 
+  #
+  # Internal services
+  #
+
+  field :redis_url, type: :string, readonly: true,
+    default: ENV["REDIS_URL"] || "redis://localhost:6379/0"
+
   #
   # Registrations
   #
diff --git a/app/models/user.rb b/app/models/user.rb
index d8ebee8..5b40929 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -65,6 +65,10 @@ class User < ApplicationRecord
     end
   end
 
+  def send_devise_notification(notification, *args)
+    devise_mailer.send(notification, self, *args).deliver_later
+  end
+
   def reset_password(new_password, new_password_confirmation)
     self.password = new_password
     self.password_confirmation = new_password_confirmation
diff --git a/config/initializers/sidekiq.rb b/config/initializers/sidekiq.rb
new file mode 100644
index 0000000..044cec0
--- /dev/null
+++ b/config/initializers/sidekiq.rb
@@ -0,0 +1,5 @@
+require_relative "../../app/models/setting"
+
+Sidekiq.configure_server do |config|
+  config.redis = { url: Setting.redis_url }
+end
diff --git a/config/sidekiq.yml b/config/sidekiq.yml
index 615bb16..adc65b2 100644
--- a/config/sidekiq.yml
+++ b/config/sidekiq.yml
@@ -1,3 +1,4 @@
 :concurrency: 2
 :queues:
   - default
+  - mailers
diff --git a/docker-compose.yml b/docker-compose.yml
index a4d5a29..8a0de47 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,11 +3,67 @@ services:
     image: 4teamwork/389ds:latest
     volumes:
       - ./tmp/389ds:/data
+    networks:
+      - external_network
+      - internal_network
     ports:
       - "389:3389"
     environment:
       DS_DM_PASSWORD: passthebutter
       SUFFIX_NAME: "dc=kosmos,dc=org"
+
+  # redis:
+  #   restart: always
+  #   image: redis:7-alpine
+  #   networks:
+  #     - internal_network
+  #   healthcheck:
+  #     test: ['CMD', 'redis-cli', 'ping']
+  #   volumes:
+  #     - ./tmp/redis:/data
+
+  # web:
+  #   build: .
+  #   tty: true
+  #   command: bash -c "rm -f /akkounts/tmp/pids/server.pid; bin/dev"
+  #   volumes:
+  #     - .:/akkounts
+  #   networks:
+  #     - external_network
+  #     - internal_network
+  #   ports:
+  #     - "3000:3000"
+  #   environment:
+  #     RAILS_ENV: development
+  #     REDIS_URL: redis://redis:6379/0
+  #     LDAP_HOST: ldap
+  #     LDAP_PORT: 3389
+  #     LDAP_ADMIN_PASSWORD: passthebutter
+  #     LDAP_USE_TLS: "false"
+  #   depends_on:
+  #     - ldap
+  #     - redis
+
+  # sidekiq:
+  #   build: .
+  #   command: bash -c "bundle exec sidekiq -C config/sidekiq.yml"
+  #   volumes:
+  #     - .:/akkounts
+  #   networks:
+  #     - internal_network
+  #   environment:
+  #     RAILS_ENV: development
+  #     REDIS_URL: redis://redis:6379/0
+  #     LDAP_HOST: ldap
+  #     LDAP_PORT: 3389
+  #     LDAP_ADMIN_PASSWORD: passthebutter
+  #     LDAP_USE_TLS: "false"
+  #     LAUNCHY_DRY_RUN: true
+  #     BROWSER: /dev/null
+  #   depends_on:
+  #     - ldap
+  #     - redis
+
   # phpldapadmin:
   #   image: osixia/phpldapadmin:0.9.0
   #   ports:
@@ -16,19 +72,8 @@ services:
   #     PHPLDAPADMIN_HTTPS: false
   #     PHPLDAPADMIN_LDAP_HOSTS: "#PYTHON2BASH:[{'ldap': [{'server': [{'tls': False}, {'port': 3389}]}, {'login': [{'bind_id': 'cn=Directory Manager'}, {'bind_pass': 'passthebutter'}]}]}]"
   #     PHPLDAPADMIN_LDAP_CLIENT_TLS: false
-  # web:
-  #   build: .
-  #   tty: true
-  #   command: bash -c "sleep 5 && rm -f tmp/pids/server.pid && bin/dev"
-  #   volumes:
-  #     - .:/akkounts
-  #   ports:
-  #     - "3000:3000"
-  #   environment:
-  #     RAILS_ENV: development
-  #     LDAP_HOST: ldap
-  #     LDAP_PORT: 3389
-  #     LDAP_ADMIN_PASSWORD: passthebutter
-  #     LDAP_USE_TLS: "false"
-  #   depends_on:
-  #     - ldap
+
+networks:
+  external_network:
+  internal_network:
+    internal: true
diff --git a/docker/entrypoint.sh b/docker/entrypoint.sh
deleted file mode 100644
index 3af18f7..0000000
--- a/docker/entrypoint.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-set -e
-
-# Remove a potentially pre-existing server.pid for Rails.
-rm -f /myapp/tmp/pids/server.pid
-
-# Then exec the container's main process (what's set as CMD in the Dockerfile).
-exec "$@"