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Research-Stack/4-Infrastructure/netcup-vps
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Brandon Schneider 4bc9de1e09 feat(infra): netcup-vps — podman+k3s, PostgreSQL, Caddy, Prometheus, full ARM64 math stack 
Swap Docker for Podman + k3s (single-node server).

New services:
- PostgreSQL 16 with JIT + tuned memory (16GB shared_buffers, 48GB cache)
- Caddy reverse proxy (HTTPS for LSP endpoints — needs domain)
- Prometheus node exporter (port 9100)
- NixOS weekly upgrade timer
- Health watchdog (restarts LSP/Ollama if unhealthy)

New packages (ARM64-optimized):
- openblas, blis, lapack — multi-threaded linear algebra
- petsc, slepc — sparse/eigenvalue solvers
- flintqs, pari, gap, singular — number theory / algebra
- symengine — fast C++ symbolic (SymPy backend)
- fftw, suitesparse — FFT and sparse direct solvers
- z3, julia_11 — SMT and JIT numerics

k3s ports: 6443, 2379, 2380
Firewall updated accordingly.
2026-05-29 14:52:20 -05:00
..
configuration.nix feat(infra): netcup-vps — podman+k3s, PostgreSQL, Caddy, Prometheus, full ARM64 math stack 2026-05-29 14:52:20 -05:00
flake.lock feat(infra): add netcup VPS flake (ARM64, NixOS 25.11) 2026-05-29 14:26:07 -05:00
flake.nix feat(infra): netcup-vps — podman+k3s, PostgreSQL, Caddy, Prometheus, full ARM64 math stack 2026-05-29 14:52:20 -05:00