edit README

Signed-off-by: Lukas Pol <lukaspaespol@gmail.com>

ruby_on_rails-postgres/.gitignore

@@ -11,22 +11,22 @@ web/.bundle
 web/log/*
 /tmp/*
 /web/tmp/*
-!/log/.keep
-!/tmp/.keep
+web/!/log/.keep
+web/!/tmp/.keep
 
 # Ignore uploaded files in development.
-/storage/*
-!/storage/.keep
+web/storage/*
+web/!/storage/.keep
 
-/public/assets
-.byebug_history
+web/public/assets
+web/.byebug_history
 
 # Ignore master key for decrypting credentials and more.
-/config/master.key
+web/config/master.key
 
-/public/packs
-/public/packs-test
-/node_modules
-/yarn-error.log
-yarn-debug.log*
-.yarn-integrity
+web/public/packs
+web/public/packs-test
+web/node_modules
+web/yarn-error.log
+web/yarn-debug.log*
+web/.yarn-integrity

ruby_on_rails-postgres/README.md

@@ -52,7 +52,9 @@ dac525a7e7f9        ruby_on_rails-postgres_web   "entrypoint.sh bash …"   49 s
 760e6b3dc241        postgres                     "docker-entrypoint.s…"   55 seconds ago      Up 49 seconds       5432/tcp                 ruby_on_rails-postgres_db_1_85be421b80ec
 ```
 
-## Use docker rails with bash and execute rails server
+After the application starts, navigate to `http://localhost:3000` in your web browser, `it may take about 5 seconds`
+
+## Use docker rails with bash
 
 ```
 $ docker-compose exec web bash 
@@ -80,24 +82,6 @@ rake db:drop
 root@dac525a7e7f9:/myapp# rake db:create db:migrate
 ```
 
-## How execute rails server
-
-```
-root@dac525a7e7f9:/myapp# bundle exec rails s -b 0.0.0.0
-=> Booting Puma
-=> Rails 6.0.2.2 application starting in development 
-=> Run `rails server --help` for more startup options
-Puma starting in single mode...
-* Version 4.3.3 (ruby 2.6.5-p114), codename: Mysterious Traveller
-* Min threads: 5, max threads: 5
-* Environment: development
-* Listening on tcp://0.0.0.0:3000
-Use Ctrl-C to stop
-```
-
-After the application starts, navigate to `http://localhost:3000` in your web browser
-For stop server `CTRL + C`
-
 ## Stop and remove the containers
 ```
 root@dac525a7e7f9:/myapp# exit

ruby_on_rails-postgres/docker-compose.yml

@@ -9,7 +9,7 @@ services:
       POSTGRES_HOST_AUTH_METHOD: trust
   web:
     build: .
-    command: bash -c "rm -f tmp/pids/server.pid && sleep 100000"
+    command: bash -c "rm -f tmp/pids/server.pid && yarn install --check-files && rake db:create db:migrate && bundle exec rails s -b 0.0.0.0"
     volumes:
       - ./web:/myapp
     ports:

ruby_on_rails-postgres/web/db/schema.rb

@@ -0,0 +1,18 @@
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# This file is the source Rails uses to define your schema when running `rails
+# db:schema:load`. When creating a new database, `rails db:schema:load` tends to
+# be faster and is potentially less error prone than running all of your
+# migrations from scratch. Old migrations may fail to apply correctly if those
+# migrations use external dependencies or application code.
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 0) do
+
+  # These are extensions that must be enabled in order to support this database
+  enable_extension "plpgsql"
+
+end