fix: Update .env.example and docker-compose.yml for local development configuration

.env.example

@@ -1,18 +1,18 @@
 # Environnement
-NODE_ENV=production
+NODE_ENV=development
 
 # Base de données
-DATABASE_URL=postgresql://devuser:changeme@db:5432/devdb?schema=public
+DATABASE_URL=postgresql://devuser:changeme@localhost:5432/devdb?schema=public
 
 # Projet
 PROJECT_NAME="Portabase"
 PROJECT_DESCRIPTION="Portabase is a powerful database manager"
-PROJECT_URL=http://app.portabase.io
+PROJECT_URL=http://localhost:8887
 PROJECT_SECRET=
 
 # SMTP (email)
 SMTP_HOST=
-SMTP_PORT=587
+SMTP_PORT=
 SMTP_USER=
 SMTP_PASSWORD=
 SMTP_FROM=
@@ -23,14 +23,14 @@ AUTH_GOOGLE_SECRET=
 AUTH_GOOGLE_METHOD=
 
 # S3
-S3_ENDPOINT=http://app.s3.portabase.io
+S3_ENDPOINT=
 S3_ACCESS_KEY=
 S3_SECRET_KEY=
-S3_BUCKET_NAME=portabase
-S3_PORT=9000
-S3_USE_SSL=true
+S3_BUCKET_NAME=
+S3_PORT=
+S3_USE_SSL=
 
-# Storage Type (s3, local)
+# Storage type (local, S3)
 STORAGE_TYPE=local
 
 # Retention