chore: align deployment environment config

.env.example

@@ -1,8 +1,12 @@
+# App runtime
+NODE_ENV="development"
+
 # Frontend env vars for the Vite app
 VITE_API_BASE_URL="http://localhost:4000/api"
 VITE_GOOGLE_MAPS_PLATFORM_KEY="YOUR_BROWSER_MAPS_KEY"
 
 # Local backend env vars
+# If your password contains special characters, URL-encode it in DATABASE_URL.
 DATABASE_URL="postgres://postgres:postgres@localhost:5432/leads4less"
 COOKIE_SECRET="CHANGE_ME_IN_LOCAL_ENV"
 APP_HOST="0.0.0.0"
@@ -11,3 +15,8 @@ APP_ORIGIN="http://localhost:3000"
 PG_BOSS_SCHEMA="pgboss"
 SESSION_TTL_DAYS="30"
 GOOGLE_MAPS_SERVER_KEY="YOUR_SERVER_MAPS_KEY"
+
+# Docker Compose database env vars
+POSTGRES_DB="leads4less"
+POSTGRES_USER="postgres"
+POSTGRES_PASSWORD="CHANGE_ME_IN_LOCAL_ENV"