Move config to abra.sh, add SECRET to secrets

Ref coop-cloud/abra#43

.env.sample

@@ -9,8 +9,6 @@ LETS_ENCRYPT_ENV=production
 ADMIN_USERNAME=admin
 ADMIN_EMAIL=rocketchat@example.com
 
-ENTRYPOINT_CONF_VERSION=v1
-
 # OAuth with Keycloak
 #COMPOSE_FILE="compose.yml:compose.oauth.yml"
 #Accounts_OAuth_Custom-Keycloak-url="https://id.example.com/auth"
@@ -19,7 +17,7 @@ ENTRYPOINT_CONF_VERSION=v1
 #Accounts_OAuth_Custom-Keycloak-authorize_path="/realms/realmname/protocol/openid-connect/auth"
 #Accounts_OAuth_Custom-Keycloak-id="rocketchat"
 
-#OAUTH_KEY_VERSION=v1
+#SECRET_OAUTH_KEY_VERSION=v1
 
 # SMTP
 #COMPOSE_FILE="compose.yml:compose.mailrelay.yml"

abra.sh

@@ -0,0 +1 @@
+export ENTRYPOINT_CONF_VERSION=v1

compose.oauth.yml

@@ -26,4 +26,4 @@ services:
 secrets:
   oauth_key:    
     external: true 
-    name: ${STACK_NAME}_oauth_key_${OAUTH_KEY_VERSION}
+    name: ${STACK_NAME}_oauth_key_${SECRET_OAUTH_KEY_VERSION}