fix: parsing url cassé par le mdp postgres

.env.example

@@ -1,9 +1,15 @@
 NODE_ENV=production
 PORT=3000
 
-# Postgres
-DATABASE_URL=postgres://octane:changeme@postgres:5432/octane
+# Postgres — the app connects with these discrete fields (not a DATABASE_URL),
+# so POSTGRES_PASSWORD can safely contain any character without needing
+# URL-encoding. Only POSTGRES_PASSWORD needs to be set; the rest already
+# match the "postgres" service in docker-compose.yml.
 POSTGRES_PASSWORD=changeme
+# PGHOST=postgres
+# PGPORT=5432
+# PGDATABASE=octane
+# PGUSER=octane
 
 # Sessions
 SESSION_SECRET=change-me-to-a-long-random-string