9067225945
Adds defense-in-depth HTTP headers to the dev and prod Caddyfiles. CSP,
X-Frame-Options, Permissions-Policy, and Cache-Control: no-store apply
to the dashboard SPA (/admin/*) and admin API (/api/v1/admin/*). nosniff
and Referrer-Policy apply to every response (a sane default). HSTS is
unconditional in prod.
User-route responses (the catch-all `handle`) deliberately get NO CSP —
user scripts own their own response headers by design.
The CSP / X-Frame-Options / Cache-Control / Permissions-Policy headers
use the `?` operator ("set only if not already present") so application
responses with their own restrictive policy — notably the audit C-2
file-download handler, which sends a sandboxed CSP — win over Caddy's
defaults.
This downgrades H-A4 (dashboard token in localStorage) from acute to
defense-in-depth: with this CSP and no inline JS in the dashboard,
XSS-based token exfiltration is no longer a one-step exploit.
Validated with `caddy validate` (docker caddy:2-alpine) for both files;
also `caddy fmt --overwrite`'d.
Audit ref: security_audit/07_http_cors_csrf_xss.md (H07-03/04/05 +
M07-06/07/08/09).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
PiCloud
A lightweight, self-hosted, event-driven serverless compute platform. Upload a Rhai script, get an HTTP endpoint. Designed to run on a single modest server with no idle CPU cost, and to scale out to a small cluster when you need it.
Status: Phase 1 — MVP scaffolding in progress.
The authoritative design lives in
serverless_cloud_blueprint.md.
Why
Existing serverless platforms are either cloud-locked, heavyweight, or both. PiCloud aims for the opposite end of the spectrum: one binary, one database, one reverse proxy — running on hardware you already own.
Architecture (one paragraph)
PiCloud splits into three logical services — manager (control plane: scripts, schedules, dashboard), orchestrator (per-node event ingress and dispatch), and executor (per-node Rhai sandbox) — each backed by a *-core Rust library. In MVP they run in a single process; in cluster mode they run as three binaries with one manager and one orchestrator + executor per node. Caddy fronts everything; PostgreSQL is the single source of truth.
See CLAUDE.md for working notes and serverless_cloud_blueprint.md for the full design.
Quick Start
Coming as scaffolding lands. For now:
# Rust toolchain (pinned via rust-toolchain.toml)
cargo check --workspace
# Run the all-in-one MVP binary (once main.rs is wired up)
cargo run -p picloud
Repository Layout
crates/
shared/ cross-cutting types
executor-core/ Rhai engine + sandbox
orchestrator-core/ event ingress, dispatch
manager-core/ control plane
picloud/ MVP all-in-one binary
picloud-{manager,orchestrator,executor}/ cluster-mode binaries (skeleton)
dashboard/ SvelteKit
caddy/ Caddyfile
docker/ Dockerfiles
docs/
git-workflow.md Trunk-based workflow
Contributing
See docs/git-workflow.md for the branching and commit conventions. TL;DR: trunk-based, short-lived branches, Conventional Commits, no force-pushing main.
License
TBD.