add precompile

config/environments/production.rb

@@ -27,7 +27,7 @@ Rails.application.configure do
 
   # Do not fallback to assets pipeline if a precompiled asset is missed.
   config.assets.compile = true
-
+  config.assets.precompile += %w[active_admin.css active_admin.js]
   # Enable serving of images, stylesheets, and JavaScripts from an asset server.
   # config.action_controller.asset_host = 'http://assets.example.com'
 

docker-compose.yml

@@ -16,7 +16,7 @@ services:
     build:
       context: .
       dockerfile: Dockerfile
-    command: bash -c "rm -f tmp/pids/server.pid && EDITOR='mate --wait' bundle exec rails credentials:edit && bundle exec rake db:create db:migrate db:seed && bundle exec rails s -b '0.0.0.0'"
+    command: bash -c "rm -f tmp/pids/server.pid && EDITOR='mate --wait' bundle exec rails credentials:edit && bundle exec rake assets:precompile && bundle exec rake db:create db:migrate db:seed && bundle exec rails s -e production -b '0.0.0.0'"
     volumes:
       - .:/app
       - bundle:/usr/local/bundle
@@ -35,4 +35,4 @@ services:
 networks:
   default:
     external:
-      name: nginx-proxy
+      name: nginx-proxy