feat(docker): make database name configurable (#5734)

* feat(docker): make database name configurable

WIP
Related https://github.com/Chocobozzz/PeerTube/issues/5708

* Update .env

* PEERTUBE_DB_NAME & add comments

2 files changed, 11 insertions, 4 deletions

diff --git a/support/docker/production/.env b/support/docker/production/.env
index b4e356a58..5b3b366f5 100644
--- a/support/docker/production/.env
+++ b/support/docker/production/.env
@@ -3,11 +3,12 @@ POSTGRES_USER=<MY POSTGRES USERNAME>
 POSTGRES_PASSWORD=<MY POSTGRES PASSWORD>
 # Postgres database name "peertube"
 POSTGRES_DB=peertube
-# Editable only with a suffix :
-#POSTGRES_DB=peertube_prod
+# The database name used by PeerTube will be PEERTUBE_DB_NAME (only if set) *OR* 'peertube'+PEERTUBE_DB_SUFFIX
+#PEERTUBE_DB_NAME=<MY POSTGRES DB NAME>
 #PEERTUBE_DB_SUFFIX=_prod
-PEERTUBE_DB_USERNAME=<MY POSTGRES USERNAME>
-PEERTUBE_DB_PASSWORD=<MY POSTGRES PASSWORD>
+# Database username and password used by PeerTube must match Postgres', so they are copied:
+PEERTUBE_DB_USERNAME=$POSTGRES_USER
+PEERTUBE_DB_PASSWORD=$POSTGRES_PASSWORD
 PEERTUBE_DB_SSL=false
 # Default to Postgres service name "postgres" in docker-compose.yml
 PEERTUBE_DB_HOSTNAME=postgres
diff --git a/support/docker/production/config/custom-environment-variables.yaml b/support/docker/production/config/custom-environment-variables.yaml
index 10432e6a0..8fff54229 100644
--- a/support/docker/production/config/custom-environment-variables.yaml
+++ b/support/docker/production/config/custom-environment-variables.yaml
@@ -1,3 +1,8 @@
+# 
+# This file will be read by node-config
+# See https://github.com/node-config/node-config/wiki/Environment-Variables#custom-environment-variables
+# 
+
 webserver:
   hostname: "PEERTUBE_WEBSERVER_HOSTNAME"
   port:
@@ -19,6 +24,7 @@ database:
   port:
     __name: "PEERTUBE_DB_PORT"
     __format: "json"
+  name: "PEERTUBE_DB_NAME"
   suffix: "PEERTUBE_DB_SUFFIX"
   username: "PEERTUBE_DB_USERNAME"
   password: "PEERTUBE_DB_PASSWORD"