Add support for custom database name and user.

Fixes zulip#289.

docker-compose.yml

@@ -62,6 +62,7 @@ services:
     environment:
       DB_HOST: 'database'
       DB_HOST_PORT: '5432'
+      DB_NAME: 'zulip'
       DB_USER: 'zulip'
       SSL_CERTIFICATE_GENERATION: 'self-signed'
       SETTING_MEMCACHED_LOCATION: 'memcached:11211'
@@ -75,6 +76,8 @@ services:
       SECRETS_memcached_password: 'REPLACE_WITH_SECURE_MEMCACHED_PASSWORD'
       SECRETS_redis_password: 'REPLACE_WITH_SECURE_REDIS_PASSWORD'
       SECRETS_secret_key: 'REPLACE_WITH_SECURE_SECRET_KEY'
+      # Set this if you are setting a custom database user in DB_USER
+      # SECRETS_postgres_password: 'REPLACE_WITH_SECURE_POSTGRES_PASSWORD'
       SETTING_EXTERNAL_HOST: 'localhost.localdomain'
       SETTING_ZULIP_ADMINISTRATOR: '[email protected]'
       SETTING_EMAIL_HOST: ''  # e.g. smtp.example.com

entrypoint.sh

@@ -119,6 +119,10 @@ setConfigurationValue() {
     echo "$VALUE" >> "$FILE"
     echo "Setting key \"$KEY\", type \"$TYPE\" in file \"$FILE\"."
 }
+zulipConfConfiguration () {
+    crudini --set /etc/zulip/zulip.conf postgresql database_name DB_NAME
+    crudini --set /etc/zulip/zulip.conf postgresql database_user DB_USER
+}
 nginxConfiguration() {
     echo "Executing nginx configuration ..."
     if [ "$DISABLE_HTTPS" == "True" ] || [ "$DISABLE_HTTPS" == "true" ]; then
@@ -309,6 +313,7 @@ autoBackupConfiguration() {
 initialConfiguration() {
     echo "=== Begin Initial Configuration Phase ==="
     prepareDirectories
+    zulipConfConfiguration
     nginxConfiguration
     configureCerts
     additionalPuppetConfiguration