Just made a Notion database: โMistakes/Learningsโ where I am inserting all the mistakes I've made in life, school & business, as well as the reason it was a mistake, so that I don't make them again. Does anyone have a note/journal like this already?
Rodrigo Dias
npub1759g...05yl
web dev & startups.
linux, devops, and self-hosting.
Would you rather have slow Docker builds or large Docker images? I choose the first one most of the time ๐
Having both is also possible depending on the project.
just learn by actually doing the thing
I just realized windows are domesticated holes.
Whatโs your go-to analytics + error tracking stack? Plausible + Sentry? Google Analytics? Umami + PostHog? LogRocket? I've just been using Umami + Sentry for a while and have no complaints ๐.
When is GPT-5o and o5 coming out? GPT-5 isn't great tbh ๐
If I purchased the whole CPU, why would I be afraid of using every 100% of it?

7/7 Voilร ! Secure EU-hosted stack for under โฌ5/mo.
6/7 Backups: ๐ฏ๐ผ๐ฟ๐ด๐บ๐ฎ๐๐ถ๐ฐ to offsite S3-compatible (Scaleway) in nightly cron job. Encrypted by default.
5/7 Monitor with Prometheus + Grafana: free tier supports 5 K metrics; great intro to self-hosted observability.
4/7 Containerize with Docker + Traefik: auto-HTTPS via Let's Encrypt, dynamic reverse-proxy from labels.
3/7 UFW firewall: ๐๐ณ๐ ๐ฎ๐น๐น๐ผ๐ ๐ข๐ฝ๐ฒ๐ป๐ฆ๐ฆ๐, ๐๐ณ๐ ๐ฎ๐น๐น๐ผ๐ ๐ต๐๐๐ฝ, ๐๐ณ๐ ๐ฒ๐ป๐ฎ๐ฏ๐น๐ฒโbasics locked down in 3 lines.
2/7 Harden SSH: disable password login, set ๐ฃ๐ฒ๐ฟ๐บ๐ถ๐๐ฅ๐ผ๐ผ๐๐๐ผ๐ด๐ถ๐ป ๐ป๐ผ, add your pubkey in ~/.๐๐๐ต/๐ฎ๐๐๐ต๐ผ๐ฟ๐ถ๐๐ฒ๐ฑ_๐ธ๐ฒ๐๐.
1/7 Pick Hetzner Cloud CAX11 (ARM64) for โฌ4.05/moโ47 GB SSD + 2 vCPU. EU-based, fast network.
How to spin up a โฌ5/month EU VPS for self-hosting ๐ Ready? ๐งต๐
Tech job decline might actually be good. Forces us to stop chasing hype and build actually useful stuff.
"The user must not know how to use it"
- Definitely not me
When your AI chatbot's response reaches this level, you know you've reached peak productivity ๐ฅต๐ฅ๐ฅ


Sometimes I donโt know how my past self could have been so astronomically dumb. ๐ก