Supabase

10 Common Mistakes in Setting Up Supabase for Your First Project

By BTW Team4 min read

10 Common Mistakes in Setting Up Supabase for Your First Project

When diving into Supabase for your first project, it’s easy to feel overwhelmed. As an indie hacker or solo founder, you want to move fast and get things done, but rushing into your setup can lead to pitfalls that slow you down later. We've been there, and trust me, avoiding these common mistakes can save you a lot of headaches down the road.

Here’s a breakdown of the ten most common errors we see beginners make when setting up Supabase, along with how to avoid them.

1. Skipping the Documentation

What It Is

Supabase has comprehensive documentation that outlines everything from setup to advanced features.

Why It’s a Mistake

Many new users skip the documentation, thinking they can figure it out as they go. This approach usually leads to confusion and wasted time.

Our Take

We always recommend starting with the Supabase Docs. It’s like having a roadmap for your setup.

2. Ignoring Environment Variables

What It Is

Environment variables store sensitive information like API keys and connection strings.

Why It’s a Mistake

Hardcoding these values in your code can lead to security vulnerabilities.

Our Take

Always use .env files to manage these variables. In our experience, this practice simplifies deployment and keeps your keys secure.

3. Not Setting Up Row-Level Security

What It Is

Row-Level Security (RLS) allows you to control access to rows in your tables based on user roles.

Why It’s a Mistake

Many beginners skip this step, leading to potential data leaks or unauthorized access.

Our Take

Enable RLS from the start. It’s a bit of a learning curve, but worth it for the security it provides.

4. Underestimating Database Design

What It Is

Database design refers to how you structure your tables and relationships.

Why It’s a Mistake

A poorly designed database can lead to performance issues and complex queries.

Our Take

Spend time planning your database schema before jumping into coding. Tools like dbdiagram.io can help visualize your structure.

5. Overlooking the Supabase CLI

What It Is

The Supabase CLI allows you to manage your Supabase projects from the command line.

Why It’s a Mistake

Skipping the CLI means missing out on powerful features like migrations and local development.

Our Take

We’ve found that using the CLI streamlines our workflow significantly. Install it early and get familiar with its capabilities.

6. Not Testing Database Queries

What It Is

Testing your database queries ensures they return the expected results.

Why It’s a Mistake

Skipping this can lead to unexpected behavior in your application.

Our Take

Use Supabase's SQL editor to test queries before implementing them in your code. It saves time and frustration.

7. Failing to Optimize API Calls

What It Is

Optimizing API calls involves reducing the number of requests and the amount of data transferred.

Why It’s a Mistake

Inefficient API calls can lead to slow performance and higher costs.

Our Take

Batch requests when possible and only fetch the data you need. This approach keeps your app snappy and responsive.

8. Not Leveraging Subscriptions

What It Is

Supabase offers real-time subscriptions to listen for changes in your database.

Why It’s a Mistake

Ignoring this feature means missing out on building dynamic and responsive applications.

Our Take

Implement subscriptions where it makes sense; they can significantly enhance the user experience.

9. Forgetting to Monitor Usage and Costs

What It Is

Monitoring your Supabase usage helps you stay within budget and manage resources.

Why It’s a Mistake

New users often overlook this, leading to unexpected charges.

Our Take

Set up alerts for your usage. This way, you can adjust your plan or usage before it gets out of hand.

10. Skipping Local Development

What It Is

Local development involves setting up Supabase on your machine for testing and development.

Why It’s a Mistake

Developing directly on production can lead to errors and data corruption.

Our Take

Use the Supabase CLI to run a local instance. It’s invaluable for testing changes before deploying.

Conclusion: Start Here

Avoiding these common mistakes can make your journey with Supabase smoother and more productive. Here’s a quick checklist to get started:

  1. Read the Supabase documentation.
  2. Use environment variables for sensitive data.
  3. Enable Row-Level Security.
  4. Plan your database design.
  5. Familiarize yourself with the Supabase CLI.
  6. Test your database queries early.
  7. Optimize your API calls.
  8. Implement subscriptions for real-time features.
  9. Monitor usage and costs.
  10. Set up local development for testing.

By following this guide, you'll be in a much better position to launch your first Supabase project successfully.

What We Actually Use:

  • Supabase for backend services
  • dbdiagram.io for database design
  • Supabase CLI for local development

Follow Our Building Journey

Weekly podcast episodes on tools we're testing, products we're shipping, and lessons from building in public.

Subscribe

Never miss an episode

Subscribe to Built This Week for weekly insights on AI tools, product building, and startup lessons from Ryz Labs.

Subscribe
Supabase

Why Supabase is the Most Overrated Database Tool for Beginners in 2026

Why Supabase is the Most Overrated Database Tool for Beginners in 2026 As indie hackers and solo founders, we often look for tools that promise to simplify our workflow, especially

Oct 25, 20264 min read
Supabase

10 Supabase Mistakes New Users Make (And How to Avoid Them)

10 Supabase Mistakes New Users Make (And How to Avoid Them) Jumping into Supabase can feel like a breath of fresh air, especially if you're coming from the world of traditional dat

Oct 25, 20264 min read
Supabase

10 Common Myths About Supabase That Could Hurt Your Project

10 Common Myths About Supabase That Could Hurt Your Project As a solo founder or indie hacker, choosing the right backend technology for your project is crucial. Supabase, often to

Sep 24, 20264 min read
Supabase

10 Common Mistakes When Integrating Supabase for Your First Project

10 Common Mistakes When Integrating Supabase for Your First Project Integrating Supabase into your first project can feel like a daunting task, especially if you're new to backend

Sep 24, 20264 min read
Supabase

5 Common Supabase Mistakes Developers Make (And How to Avoid Them)

5 Common Supabase Mistakes Developers Make (And How to Avoid Them) As a developer diving into Supabase, you might think you're getting an easy ride with its promise of a simple bac

Sep 24, 20264 min read
Supabase

5 Common Supabase Mistakes First-Time Users Make (And How to Avoid Them)

5 Common Supabase Mistakes FirstTime Users Make (And How to Avoid Them) Starting with Supabase can feel like a breath of fresh air for indie hackers and solo founders. It promises

Sep 24, 20263 min read