Phase 19: compose validate (docker compose config) + diff vs deployed in editor (0.25.0)

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

backend/routers/editor.py

@@ -7,10 +7,16 @@ from pydantic import BaseModel
 from auth import get_current_user
 from models.user import User
 from services import compose_edit_service as edit
+from services import compose_service
 
 router = APIRouter(prefix="/api/editor", tags=["editor"])
 
 
+class ValidateBody(BaseModel):
+    yaml: str
+    env: str = ""
+
+
 class AddVolumeBody(BaseModel):
     yaml: str
     service: str
@@ -52,6 +58,12 @@ def _run(fn, *args) -> dict:
         raise HTTPException(status_code=400, detail=str(exc)) from exc
 
 
+@router.post("/validate")
+async def validate(body: ValidateBody, _user: User = Depends(get_current_user)) -> dict:
+    """Run `docker compose config -q` on the supplied YAML (+ optional .env)."""
+    return await compose_service.validate_yaml(body.yaml, body.env)
+
+
 @router.post("/services")
 def services(body: dict, _user: User = Depends(get_current_user)) -> dict:
     try: