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Sebastian Scheibe

Practical notes on Go, Docker, databases, and debugging production systems—from a full-stack engineer with 15+ years of experience.

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Start here #

Debugging PostgreSQL connections — an incident investigation, the queries that explained it, and the timeout settings that helped.
Deploying with Docker Compose — connect GitHub Actions to a server and automate deployment.
Reverse-engineering Witcher 3 saves — from binary headers and failed conversions to a working Go tool.

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Infrastructure · Go · Web development · Databases and messaging · Engineering experiments · Personal notes

Recent

Reverse-engineering The Witcher 3 saves between Nintendo Switch and PC

30 August 2026·10 mins

How I reverse-engineered The Witcher 3 manual-save container, filename conventions, thumbnails, and requirement metadata to build a bidirectional Switch and PC converter in Go.

PostgreSQL: Preventing Idle Connections From Accumulating After Deployments

17 August 2026·3 mins

How PostgreSQL idle-session timeouts stopped stale connections from exhausting a 100-connection limit after deployments.

Firebase Auth Custom Domain

8 June 2025·Updated: 9 September 2026·2 mins

Configure a custom domain for Firebase Authentication, Google sign-in, and authentication email action links.

Fixed Window Rate Limit with Golang & Redis

2 May 2025·5 mins

Implement a fixed-window rate limiter in Go with Redis, including request counting, expiration, and HTTP middleware.

Setting Up NGINX with Let's Encrypt for HTTPS in Docker Compose

30 March 2025·6 mins

Set up Nginx and Certbot in Docker Compose to obtain and renew a Let's Encrypt HTTPS certificate.