Stefan Olaru
Stefan Olaru

Stefan Olaru

Stefan Olaru

4 followers

Head of Development, Full Stack Dev & Indie Hacker. Sharing my learnings as a web developer with more than a decade of experience.

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Essential HTTP security headers

Aug 29, 20214 min read

I received a security audit report from a client a few weeks ago, they were very worried as according to the report their website had plenty of high & medium severity vulnerabilities. I quickly realized that most of the reported issues are due to mi...

Essential HTTP security headers

PHP - the king is dead, long live the king!

Aug 18, 20213 min read

There was a major shift in web development technologies in the past years, lots of things moved to the client-side, frontend frameworks such as Vue, React or Svelte are all the hype at the moment, Node.js & Python gained lots of popularity across bac...

PHP - the king is dead, long live the king!

On-the-fly image resizing with AWS Lambda, S3 & CloudFront

Aug 10, 20218 min read

I've been working (on the side) lately on a redesign for the first SaaS I've built, a handmade marketplace for Romania's market. At the time of writing, the marketplace has close to 40k active products for sale, not including the drafts, products pen...

On-the-fly image resizing with AWS Lambda, S3 & CloudFront

Why I decided to open-source my SaaS

Aug 3, 20215 min read

DiffHub makes it really easy to create automated tests for websites and APIs. It helps you avoid those embarrassing situations where a minor change creates a big mess in production, helps you spend less time doing boring stuff like manual testing, h...

Why I decided to open-source my SaaS

Automatically deploy Serverless applications on AWS using GitHub Actions

Jul 27, 20215 min read

I use serverless a lot. 🤷🏽‍♂️ Most of the projects I have created lately are serverless, but I also use it to extend existing apps running in classic infrastructures and offload the resource-intensive tasks (i.e. image processing). I use AWS as th...

Automatically deploy Serverless applications on AWS using GitHub Actions

How to make the honeypot field more effective

Jul 20, 20213 min read

The honeypot field is an antispam technique, a bait form input used to lure spam bots, they'll "see" a field and fill it up with their junk. This input is hidden from normal users, humans will leave it empty because they won't see it, so it's easy t...

How to make the honeypot field more effective