Rename env variables.

.deploy/docker/.env.docker

@@ -1,6 +1,6 @@
 # You can leave this on "local". If you change it to production most console commands will ask for extra confirmation.
 # Never set it to "testing".
-APP_ENV=${FF_APP_ENV}
+APP_ENV=${APP_ENV}
 
 # Set to true if you want to see debug information in error screens.
 APP_DEBUG=${APP_DEBUG}
@@ -11,7 +11,7 @@ SITE_OWNER=${SITE_OWNER}
 # The encryption key for your database and sessions. Keep this very secure.
 # If you generate a new one all existing data must be considered LOST.
 # Change it to a string of exactly 32 chars or use command `php artisan key:generate` to generate it
-APP_KEY=${FF_APP_KEY}
+APP_KEY=${APP_KEY}
 
 # Change this value to your preferred time zone.
 # Example: Europe/Amsterdam
@@ -38,12 +38,12 @@ APP_LOG_LEVEL=${APP_LOG_LEVEL}
 
 # Database credentials. Make sure the database exists. I recommend a dedicated user for Firefly III
 # For other database types, please see the FAQ: http://firefly-iii.readthedocs.io/en/latest/support/faq.html
-DB_CONNECTION=${FF_DB_CONNECTION}
-DB_HOST=${FF_DB_HOST}
-DB_PORT=${FF_DB_PORT}
-DB_DATABASE=${FF_DB_NAME}
-DB_USERNAME=${FF_DB_USER}
-DB_PASSWORD="${FF_DB_PASSWORD}"
+DB_CONNECTION=${DB_CONNECTION}
+DB_HOST=${DB_HOST}
+DB_PORT=${DB_PORT}
+DB_DATABASE=${DB_NAME}
+DB_USERNAME=${DB_USER}
+DB_PASSWORD="${DB_PASSWORD}"
 
 # PostgreSQL supports SSL. You can configure it here.
 PGSQL_SSL=${PGSQL_SSL}