Updated README

Author: gabeos

README.md

@@ -12,38 +12,34 @@ Head over to [cookiecutter-flask](https://github.com/sloria/cookiecutter-flask)
 
 ## Docs
 
-### Environment Variables
+### Database
 
+Use linked postgres or mysql/mariadb container for automated db configuration. 
+See fig.yml in repo for example.
 
+Otherwise use DB_URI or DB_*. DB_URI takes precedence:
 
-# Environment Variables
+## Environment Variables
 
 | Section | Variable Name | Default | Details |
 | --- | --- | --- | --- | 
-| Server | --- | --- | --- |
-| --- | SERVER_NAME | '_' | Nginx 'server_name' directive. |
-
-## Mail
-
-* MAIL_SERVER
-* MAIL_PORT
-* MAIL_TLS
-* MAIL_SSL
-* MAIL_USER
-* MAIL_PASS
-* MAIL_SENDER
-
-## DB
-
-Use linked postgres or mysql/mariadb container for automated db configuration.
-Otherwise use DB_URI or DB_*. DB_URI takes precedence:
-
-* DB_URI : Specify whole URI in one environment variable
-* DB_USER 
-* DB_PASS
-* DB_ADDR
-* DB_PORT
-* DB_TYPE : Optional if DB port is standard mysql (3306) or postgres (5432) port
+| Server | | | |
+| | SERVER_NAME | '_' | Nginx 'server_name' directive. |
+| Mail | | | |
+| | MAIL_SERVER | | SMTP server |
+| | MAIL_PORT | 587 | Port |
+| | MAIL_TLS | true | Use TLS for communication with mail server |
+| | MAIL_SSL | false | Use SSL for communication with mail server |
+| | MAIL_USER | admin | Login username for SMTP server |
+| | MAIL_PASS | | Login password for SMTP server |
+| | MAIL_SENDER | admin@example.com | Email address to send mail from |
+| DB | | | |
+| | DB_URI | | Specify whole URI in one environment variable |
+| | DB_USER | | Login user for DB |
+| | DB_PASS | | Password for user@db |
+| | DB_ADDR | | domain or IP of DB |
+| | DB_PORT | | Port of DB |
+| | DB_TYPE | | Type of database, 'mysql' or 'postgresql'. Optional if DB port is standard mysql (3306) or postgres (5432) port |
 
 ## Flask
 * CREATE_FLASK_DB : use `python manage.py ...` commands to make databases with SQLAlchemy. Defaults to `false`. Set to `true` to enable.