Improve database backup and restore process for deployment

Update deploy script to correctly source .env file, handle missing DB variables, and use --dbname for pg_dump/psql commands.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 42d8028a-fa71-4ec2-938c-e43eedf7df01
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/6d543d2c-20b9-4ea6-93fe-70fe9b1d9f80/42d8028a-fa71-4ec2-938c-e43eedf7df01/eg9yHD6

.replit

@@ -19,6 +19,10 @@ externalPort = 80
 localPort = 33035
 externalPort = 3001
 
+[[ports]]
+localPort = 36403
+externalPort = 3003
+
 [[ports]]
 localPort = 41343
 externalPort = 3000

deploy/deploy.sh

@@ -26,12 +26,16 @@ BACKUP_FILE="$BACKUP_DIR/backup_$(date +%Y%m%d_%H%M%S).sql"
 
 # Load env vars
 if [ -f .env ]; then
-    export $(cat .env | grep -v '^#' | xargs)
+    source .env
 fi
 
 # Esegui backup PostgreSQL
 if command -v pg_dump &> /dev/null; then
-    PGPASSWORD=$PGPASSWORD pg_dump -h $PGHOST -U $PGUSER -d $PGDATABASE > $BACKUP_FILE
+    # Controlla che le variabili siano definite
+    if [ -z "$PGDATABASE" ] || [ -z "$PGUSER" ]; then
+        echo "⚠️  Variabili DB non trovate nel .env, skip backup"
+    else
+        PGPASSWORD=$PGPASSWORD pg_dump -h ${PGHOST:-localhost} -U $PGUSER --dbname=$PGDATABASE > $BACKUP_FILE
         echo "✅ Backup salvato: $BACKUP_FILE"
         
         # Comprimi backup
@@ -41,6 +45,7 @@ if command -v pg_dump &> /dev/null; then
         # Pulisci backup vecchi (> 30 giorni)
         find $BACKUP_DIR -name "backup_*.sql.gz" -mtime +30 -delete
         echo "🧹 Backup vecchi eliminati (retention: 30 giorni)"
+    fi
 else
     echo "⚠️  pg_dump non trovato, skip backup"
 fi
@@ -88,7 +93,7 @@ else
     LATEST_BACKUP=$(ls -t $BACKUP_DIR/backup_*.sql.gz 2>/dev/null | head -1)
     if [ -f "$LATEST_BACKUP" ]; then
         echo "📦 Ripristino da: $LATEST_BACKUP"
-        gunzip -c $LATEST_BACKUP | PGPASSWORD=$PGPASSWORD psql -h $PGHOST -U $PGUSER -d $PGDATABASE
+        gunzip -c $LATEST_BACKUP | PGPASSWORD=$PGPASSWORD psql -h ${PGHOST:-localhost} -U $PGUSER --dbname=$PGDATABASE
         echo "✅ Database ripristinato"
     fi