restore port to 3000

Dockerfile

@@ -12,5 +12,5 @@ RUN bundle install
 
 ADD . /app
 
-EXPOSE 4000
+EXPOSE 3000
 CMD ["script/server"]

config/puma.rb

@@ -9,9 +9,9 @@
 threads_count = ENV.fetch("SINATRA_MAX_THREADS") { 5 }.to_i
 threads threads_count, threads_count
 
-# Specifies the `port` that Puma will listen on to receive requests, default is 4000.
+# Specifies the `port` that Puma will listen on to receive requests, default is 3000.
 #
-port        ENV.fetch("PORT") { 4000 }
+port        ENV.fetch("PORT") { 3000 }
 
 # Specifies the `environment` that Puma will run in.
 #

docker-compose.yml

@@ -4,19 +4,19 @@ services:
   app:
     build: .
     ports:
-     - "4000:4000"
+     - "3000:3000"
     links:
      - db
     environment:
       - RAILS_ENV=production
       - RAILS_SERVE_STATIC_FILES=true
       - DATABASE_URL=postgresql://postgres@db/spectre
       - DOMAIN_NAME=app
-      - PORT=:4000
+      - PORT=:3000
       - PROTOCOL=http://
     volumes:
      - .:/app
-    command: bash -c "rm -f /app/tmp/pids/*.pid && rake assets:precompile && SECRET_KEY_BASE=`rake secret` rails server -p 4000"
+    command: bash -c "rm -f /app/tmp/pids/*.pid && rake assets:precompile && SECRET_KEY_BASE=`rake secret` rails server -p 3000"
 
   db:
     image: postgres:9.6