https://blog.luckylinux.dev/ Notes on building, deploying, and debugging systems, backend infrastructure, and algorithms by Lucky Verma. en-us Fri, 14 Aug 2026 00:00:00 GMT lucky@luckylinux.dev (Lucky Verma) lucky@luckylinux.dev (Lucky Verma) https://blog.luckylinux.dev/post.html?slug=exposing-home-server-cloudflare-tunnel-nginx https://blog.luckylinux.dev/post.html?slug=exposing-home-server-cloudflare-tunnel-nginx Fri, 14 Aug 2026 00:00:00 GMT Architecting zero-inbound-port access for homelab developer services using persistent outbound QUIC tunnels, internal Nginx reverse proxies, and edge Zero Trust authentication. homelab networking security docker cloudflare nginx https://blog.luckylinux.dev/post.html?slug=protected-media-cloudflare-r2-django https://blog.luckylinux.dev/post.html?slug=protected-media-cloudflare-r2-django Tue, 28 Jul 2026 00:00:00 GMT Implementing dual-bucket isolation of public vs private tenant assets in Django using Cloudflare R2 object storage, S3v4 pre-signed expiring download URLs, and zero egress fees. django python backend cloudflare storage aws-s3 https://blog.luckylinux.dev/post.html?slug=search-space-pruning-split-ticket-routing https://blog.luckylinux.dev/post.html?slug=search-space-pruning-split-ticket-routing Fri, 12 Jun 2026 00:00:00 GMT Using geometric elliptic bounding and vectorized spherical trigonometry in NumPy to prune 97% of candidate stations in combinatorial transit fare optimization. algorithms python graph-theory routing optimization