Use other env values to fill the dbmate DATABASE_URL

Author: kuzdogan

services/database/.env.template

@@ -16,7 +16,7 @@ DUNE_API_KEY=
 
 ##### DBMATE configuration for migrations
 # Configure the database connection
-DATABASE_URL=postgres://username:[email protected]:5432/database_name?sslmode=disable
+DATABASE_URL=postgres://$POSTGRES_USER:$POSTGRES_PASSWORD@$POSTGRES_HOST:$DOCKER_HOST_POSTGRES_PORT/$POSTGRES_DB?sslmode=disable
 
 # Keep this for updating the schema dump after adding a new migration
 DBMATE_SCHEMA_FILE=./sourcify-database.sql