use env file in greenlight database

docker-compose.greenlight.yml

@@ -9,20 +9,22 @@ services:
  environment:
  DB_ADAPTER: postgresql
  DB_HOST: postgres
- DB_NAME: greenlight
- DB_USERNAME: postgres
- DB_PASSWORD: password
+ DB_NAME: ${POSTGRES_DB}
+ DB_USERNAME: ${POSTGRES_USER}
+ DB_PASSWORD: ${POSTGRES_PASSWORD}
  BIGBLUEBUTTON_ENDPOINT: ${GREENLIGHT_ENDPOINT}
  BIGBLUEBUTTON_SECRET: ${SHARED_SECRET}
  SECRET_KEY_BASE: ${RAILS_SECRET}
+ depends_on:
+ - redis
  ports:
  - 10.7.7.1:5000:80
  postgres:
  image: postgres:12
  restart: unless-stopped
  environment:
- POSTGRES_DB: greenlight
- POSTGRES_USER: postgres
- POSTGRES_PASSWORD: password
+ POSTGRES_DB: ${POSTGRES_DB}
+ POSTGRES_USER: ${POSTGRES_USER}
+ POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
  volumes:
  - ./postgres-data:/var/lib/postgresql/data

sample.env

@@ -168,6 +168,21 @@ LDAP_FILTER=
 #
 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:
+#
+# https://www.google.com/recaptcha/admin
+#
+# RECAPTCHA_SITE_KEY=
+# RECAPTCHA_SECRET_KEY=
+
+# To enable Google Analytics on your site, set this key to the Google Analytics Property Tracking ID
+#
+# https://analytics.google.com/analytics/web/
+#
+# GOOGLE_ANALYTICS_TRACKING_ID=
+
+
 # Set this to true if you want GreenLight to send verification emails upon
 # the creation of a new account
 #
@@ -295,3 +310,9 @@ HELP_URL=https://docs.bigbluebutton.org/greenlight/gl-overview.html
 # invite - For invite only registration
 # approval - For approve/decline registration
 DEFAULT_REGISTRATION=open
+
+# Specify database for Greenlight.
+# please change POSTGRES_PASSWORD with your secure password
+POSTGRES_DB=greenlight
+POSTGRES_USER=postgres
+POSTGRES_PASSWORD=verysecurepassword