anchor.diff:  
   |`*POSTGRESQL_MAX_CONNECTIONS*`
   |The maximum number of client connections allowed.
  -|
  +|100
   
   |`*POSTGRESQL_SHARED_BUFFERS*`
   |Configures how much memory is dedicated to PostgreSQL for caching data.
  -|
  +|32M
   |===
   
   == Volumes
   
  -* *_/var/lib/pgsql/data_* - This is the database cluster directory where PostgreSQL stores database files.
  +* *_/var/lib/pgsql/data_* - This is the database cluster directory where
  +PostgreSQL stores database files.
  
positive.code: To access and test if the application is running:
  
  ****
  `$ psql postgresql://_<user>_:<password>@127.0.0.1:5432/_<database>_ <<< "SELECT 1;"`
  ****
  
  == Stopping the Container
  
negative.code: |Database name.
  
  |`*POSTGRESQL_ADMIN_PASSWORD*`
  |Optional password for the `postgres` admin user. If this is not set, then
  remote login to the `postgres` account is not possible. Local connections from
  within the container are always permitted without a password.
  |===
  
  === Settings
  
  PostgreSQL settings can be configured with the following environment variables.
  
  .Additional PostgreSQL settings
  [cols="3a,6a,1a",options="header"]
  