DeployKit — Blog https://deploykit.es/blog Guides, tutorials and notes on self-hosting, Docker, deployments and running your own PaaS with DeployKit. en DeployKit vs Coolify vs Dokploy vs CapRover: choosing a self-hosted PaaS in 2026 https://deploykit.es/blog/deploykit-vs-coolify-vs-dokploy-vs-caprover https://deploykit.es/blog/deploykit-vs-coolify-vs-dokploy-vs-caprover An honest comparison of four open-source, self-hosted PaaS options: architecture, builds, multi-server, previews and maturity, and which one fits which team. Thu, 15 Oct 2026 00:00:00 GMT comparison self-hosting coolify dokploy caprover A Dockerfile that works the first time: ports, env vars and health checks on DeployKit https://deploykit.es/blog/dockerfile-that-works-first-time https://deploykit.es/blog/dockerfile-that-works-first-time The build succeeds, the container is running, and the app is still unreachable. The port, bind-address and env-var rules that fix most failed first deploys. Thu, 15 Oct 2026 00:00:00 GMT docker dockerfile tutorial troubleshooting Harden your VPS before installing a self-hosted PaaS: SSH, firewall and the Docker ufw trap https://deploykit.es/blog/harden-vps-before-self-hosted-paas https://deploykit.es/blog/harden-vps-before-self-hosted-paas A practical checklist for a fresh Linux VPS before you install DeployKit: updates, SSH keys, a firewall Docker can't bypass, fail2ban, and securing the panel. Thu, 15 Oct 2026 00:00:00 GMT security self-hosting vps docker tutorial Nixpacks vs Dockerfile vs Buildpacks: which build method to choose on DeployKit https://deploykit.es/blog/nixpacks-vs-dockerfile-vs-buildpacks https://deploykit.es/blog/nixpacks-vs-dockerfile-vs-buildpacks DeployKit can build your app three ways. How each one works, what it's good at, where it breaks, and a simple rule for picking the right one per app. Thu, 15 Oct 2026 00:00:00 GMT docker nixpacks buildpacks dockerfile guide A self-hosted Heroku alternative: deploy with git push on your own VPS https://deploykit.es/blog/self-hosted-heroku-alternative https://deploykit.es/blog/self-hosted-heroku-alternative How to get the Heroku and Vercel git-push experience on a server you control, with automatic builds, SSL and databases — and no per-app platform bill. Thu, 15 Oct 2026 00:00:00 GMT self-hosting heroku docker tutorial A self-hosted Vercel alternative for Next.js: SSR, previews and HTTPS on your own server https://deploykit.es/blog/self-hosted-vercel-alternative-nextjs https://deploykit.es/blog/self-hosted-vercel-alternative-nextjs Run Next.js on your own VPS with git-push deploys, automatic HTTPS and a preview per pull request. What carries over from Vercel, and what doesn't. Thu, 15 Oct 2026 00:00:00 GMT nextjs vercel self-hosting tutorial