Add settings for postgres

docker-compose.yml

@@ -9,11 +9,31 @@ services:
     restart: unless-stopped
     ports:
       - 5000:80
+# When using sqlite3 as the database
     volumes:
       - ./db/production:/usr/src/app/db/production
       - ./log:/usr/src/app/log
+# When using external logging
 #    logging:
 #      driver: $LOG_DRIVER
 #      options:
 #        syslog-address: $LOG_ADDRESS
 #        tag: $LOG_TAG
+
+
+# When using postgresql as the database
+#    links:
+#      - db
+#
+#  db:
+#    image: postgres:9.5
+#    restart: on-failure
+#    ports:
+#      - 5432:5432
+#    volumes:
+#      - database_data:/var/lib/postgresql/data
+#    environment:
+#      - PGHOST=postgres
+#      - PGDATABASE=postgres
+#      - PGUSER=postgres
+#      - PGPASSWORD=password

sample.env

@@ -79,7 +79,7 @@ LDAP_PASSWORD=
 ALLOW_GREENLIGHT_ACCOUNTS=true
 
 # To enable reCaptcha on the user sign up, define these 2 keys
-# You can obtain these keys by registering your domain using the following url: 
+# You can obtain these keys by registering your domain using the following url:
 #
 #  https://www.google.com/recaptcha/admin
 #
@@ -176,3 +176,12 @@ ENABLE_GOOGLE_CALENDAR_BUTTON=
 # Force SSL
 #
 # ENABLE_SSL=true
+
+# Database settings
+# Greenlight works out of the box with sqlite3, but if postgresql is required, especially for production
+# These variables should also be included.
+# DB_ADAPTER=postgresql
+# DB_HOST=postgres.example.com
+# DB_NAME=greenlight_production
+# DB_USERNAME=postgres
+# DB_PASSWORD=password