Fix sql e migration

docker-compose.yml

@@ -10,7 +10,7 @@ services:
       - "${POSTGRES_PORT}:5432"
     volumes:
       - scouthub_db_data:/var/lib/postgresql/data
-      # Crea anche i DB scouthub_home / scouthub_magazzino / scouthub_eventi
+      # Crea anche i DB scouthub / scouthub_magazzino / scouthub_eventi
       # usati dagli altri backend, sulla stessa istanza (solo al primo init).
       - ./db-init:/docker-entrypoint-initdb.d:ro
     healthcheck:
@@ -26,7 +26,7 @@ services:
     environment:
       PORT: ${ATTIVITA_BACKEND_PORT}
       CORS_ORIGIN: http://localhost:${ATTIVITA_FRONTEND_PORT}
-      DATABASE_URL: postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}?schema=public
+      DATABASE_URL: postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/scouthub?schema=public
       KEYCLOAK_BASE_URL: http://keycloak:8080
       KEYCLOAK_REALM: scouthub
     ports:
@@ -55,7 +55,7 @@ services:
     restart: unless-stopped
     environment:
       PORT: ${HOME_BACKEND_PORT}
-      DATABASE_URL: postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/scouthub_home?schema=public
+      DATABASE_URL: postgresql://${POSTGRES_USER}:${POSTGRES_PASSWORD}@db:5432/${POSTGRES_DB}?schema=public
       FRONTEND_BASE_URL: http://localhost:${HOME_FRONTEND_PORT}
       # Rete interna Docker: la validazione del JWT (JWKS) non controlla l'issuer,
       # quindi non serve che coincida con l'hostname visto dal browser (localhost:8081).