Make the dotenv file useful by default

Copying this to .env.production used to enable all kinds of things with example
data. Now you can copy it and OSEM will use it's defaults until you explicitely
change them here.

dotenv.example

@@ -1,102 +1,106 @@
 # Set environment variables for OSEM in this file and copy it to .env or
 # .env.$environment (like env.production or env.development)
 #
-# The following is a list of variables and default values that OSEM uses to
+# The following is a list of variables that OSEM uses to
-# configure some aspects of the app
+# configure the system/application. Uncomment them to change
+# the defaults.
 
 # Your secret key base. You can generate a secure one with
 # bundle exec rake secret
-SECRET_KEY_BASE=''
+# SECRET_KEY_BASE=12345
 
 # The type of database to use (postgresql, mysql2, sqlite3)
-OSEM_DB_ADAPTER=postgresql
+# OSEM_DB_ADAPTER=mysql2
+
 # The name of the host the database runs on
-OSEM_DB_HOST=database
+# OSEM_DB_HOST=database
+
 # The port the databse runs on
-OSEM_DB_PORT=5432
+# OSEM_DB_PORT=3306
+
 # The user to access the database with
-OSEM_DB_USER=postgres
+# OSEM_DB_USER=root
+
 # The password to access the database with
-OSEM_DB_PASSWORD=mysecretpassword
+# OSEM_DB_PASSWORD=mysecretpassword
+
 # The name of the database
-OSEM_DB_NAME=postgres
+# OSEM_DB_NAME=osem_production
 
 # The ruby version to use
-OSEM_RUBY_VERSION='2.5.0'
+# OSEM_RUBY_VERSION=2.5.0
 
 # The name of your OSEM installation
-OSEM_NAME="OSEM"
+# OSEM_NAME=OSEM
 
 # The host this OSEM instance runs on. Used for
 # generating urls in emails sent
-OSEM_HOSTNAME="localhost:3000"
+# OSEM_HOSTNAME=osem.example.com
 
 # The address OSEM uses for sending mails
-OSEM_EMAIL_ADDRESS="no-reply@localhost"
+# OSEM_EMAIL_ADDRESS="no-reply@example.com"
 
 # The api key for transifex.com.
 # See TRANSLATION.md for details
-OSEM_TRANSIFEX_APIKEY=""
+# OSEM_TRANSIFEX_APIKEY=1234
 
 # The errbit host to post exceptions to
-OSEM_ERRBIT_HOST=""
+# OSEM_ERRBIT_HOST=errbit.example.com
 # The api key for the errbit host
-OSEM_ERRBIT_APIKEY=""
+# OSEM_ERRBIT_APIKEY=1234
 
 # OMNIAUTH Developer Key/Secret for GOOGLE
-OSEM_GOOGLE_KEY=''
+# OSEM_GOOGLE_KEY=1234
-OSEM_GOOGLE_SECRET=''
+# OSEM_GOOGLE_SECRET=5678
 
 # OMNIAUTH Developer Key/Secret for Facebook
-OSEM_FACEBOOK_KEY=''
+# OSEM_FACEBOOK_KEY=1234
-OSEM_FACEBOOK_SECRET=''
+# OSEM_FACEBOOK_SECRET=5678
 
 # OMNIAUTH Developer Key/Secret for GitHub
-OSEM_GITHUB_KEY=''
+# OSEM_GITHUB_KEY=1234
-OSEM_GITHUB_SECRET=''
+# OSEM_GITHUB_SECRET=5678
 
 # OMNIAUTH Developer KEY/Secret for SUSE/openSUSE
-OSEM_SUSE_KEY=''
+# OSEM_SUSE_KEY=1234
-OSEM_SUSE_SECRET=''
+# OSEM_SUSE_SECRET=5678
 
 # STRIPE Publishable/Secret keys
 # test keys for development mode, live for production mode
-STRIPE_PUBLISHABLE_KEY=''
+# STRIPE_PUBLISHABLE_KEY=1234
-STRIPE_SECRET_KEY=''
+# STRIPE_SECRET_KEY=5678
 
 # Disable linting of factories in the test suite.
 # Speeds up turn around times of tests
-OSEM_FACTORY_LINT="false"
+# OSEM_FACTORY_LINT=false
 
 # The smtp configuration. See the rails guides for more
 # http://guides.rubyonrails.org/action_mailer_basics.html#action-mailer-configuration
-OSEM_SMTP_ADDRESS=""
+# OSEM_SMTP_ADDRESS=smtp.gmail.com
-OSEM_SMTP_PORT=""
+# OSEM_SMTP_PORT=587
-OSEM_SMTP_USERNAME=""
+# OSEM_SMTP_DOMAIN=example.com
-OSEM_SMTP_PASSWORD=""
+# OSEM_SMTP_USERNAME=user1
-OSEM_SMTP_AUTHENTICATION=""
+# OSEM_SMTP_PASSWORD=password123
-OSEM_SMTP_DOMAIN=""
+# OSEM_SMTP_AUTHENTICATION=plain
-OSEM_SMTP_ENABLE_STARTTLS_AUTO=""
+# OSEM_SMTP_ENABLE_STARTTLS_AUTO=true
-OSEM_SMTP_OPENSSL_VERIFY_MODE=""
+# OSEM_SMTP_OPENSSL_VERIFY_MODE=peer
 
 # Enable the usage of the devise ichain plugin
-OSEM_ICHAIN_ENABLED=false
+# OSEM_ICHAIN_ENABLED=false
 
 # ReCAPTCHA keys
-RECAPTCHA_SITE_KEY=""
+# RECAPTCHA_SITE_KEY=1234
-RECAPTCHA_SECRET_KEY=""
+# RECAPTCHA_SECRET_KEY=5678
 
-## Optional settings
-#
 # The Conference#short_title to redirect the root URL to
-# OSEM_ROOT_CONFERENCE=''
+# OSEM_ROOT_CONFERENCE=osc18
 
 # log level in production environment
-# OSEM_LOG_LEVEL='info'
+# OSEM_LOG_LEVEL=info
 
-# enable this to force SSL
+# Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
-# FORCE_SSL="1"
+# FORCE_SSL=1
 
 # Your skylight.io keys
-# SKYLIGHT_AUTHENTICATION=''
+# SKYLIGHT_AUTHENTICATION=1234
 # SKYLIGHT_PUBLIC_DASHBOARD_URL='https://oss.skylight.io/app/applications/xxxxxxxxxxxx'