diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index f6c6f47..e664b6a 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -40,6 +40,9 @@ jobs:
           GIT_COMMIT: ${{ steps.vars.outputs.commit }}
           BUILD_TIME: ${{ steps.vars.outputs.build_time }}
           APP_ENV: PROD
+          # SCOREO_DB_PASS tem fail-fast `:?` no compose (runtime). No build é só interpolado,
+          # nunca entra na imagem (é `environment:`, não build-arg) — placeholder satisfaz o compose.
+          SCOREO_DB_PASS: build-placeholder
         run: docker compose build scoreodonto-backend scoreodonto-frontend
 
       - name: Publicar por COMMIT (:<sha> + :latest), com retry p/ 499