Add health indicator, as well as support migration on entrypoint.sh

[uwwint]

📌 Summary

• add ci deployment and container building tasks
• add version endpoint
• add migration switch to entrypoint.sh

---

🔄 Type of Change

• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to change)
• 🧹 Refactor (code change that neither fixes a bug nor adds a feature)
• 📚 Documentation update
• ⚙️ CI / build / tooling change

---

🧩 Key Changes

update entrypoint.sh to allow migration
add /health indicator for ECS

✅ Checklist

• Tests are passing locally / in CI
• New tests have been added for new or changed functionality
• Self-review completed
• Documentation updated (if needed)
• No sensitive data or secrets included

---

🔍 Review Notes

---

📎 Related Issues / Tickets

---