Update DC yml, dev.rb and docs

DEVELOPMENT.md

@@ -19,6 +19,7 @@ Just run and open http://localhost:4000/
 1. VS Code and RubyMine are great IDE's/editors.
 1. To run VS Code plugin Ruby Test Explorer in docker container you need to create path to custom 
 1. Do not commit too much without testing. Also keep commits small for documentation and reversability issues.
+1. You need to rebuild the docker image when you change gems.
 
 ## Best practices
 
@@ -39,6 +40,10 @@ FIXME, TODO, EXPLAIN, OBSOLETE
 
 ## Handy commands
 
+Build or rebuild
+    
+    docker-compose -f docker-compose.dev.yml build`
+
 To get inside docker web+test containers:
 
     docker-compose -f docker-compose.dev.yml exec -u root web /bin/bash`

config/environments/development.rb

@@ -29,14 +29,14 @@ Ensl::Application.configure do
   config.assets.debug = true
 
   # Use a different cache store
-  config.cache_store = :dalli_store
+  config.cache_store = :dalli_store, 'memcached'
 
   # Enable threaded mode
   # config.threadsafe!
   config.eager_load = false
 
-  config.web_console.whitelisted_ips = '172.0.0.0/8'
+  config&.web_console.whitelisted_ips = '172.0.0.0/8'
-  config.web_console.whiny_requests = true
+  config&.web_console.whiny_requests = true
 
   config.serve_static_assets = true
 end

docker-compose.dev.yml

@@ -41,7 +41,7 @@ services:
       - 3005:3005 # Capybara listens here
     links:
       - db
-      - selenium
+    #  - selenium
     volumes:
       - ".:/var/www"
     # command: bin/spring server
@@ -102,6 +102,7 @@ services:
 
   memcached:
     image: memcached:latest
+    container_name: ensl_dev_memcached
   
   #redis:
   #  image: redis