Talk about a premature optimization. The only goal that matters for an early stage startup is product/market fit. If you can demonstrate traction you can raise

Talk about a premature optimization. The only goal that matters for an early stage startup is product/market fit. If you can demonstrate traction you can raise money to buy yourself more time. For this, rapid iteration is critical. Use whatever tools help; vendor lock-in is something you solve when you have 20mm+ in the bank.