farmd MVP scaffold: HTTP server, healthz, dashboard placeholder
Go printer-farm manager (Wave 1, Redmine #855). Cloudron-deployable, OIDC via platform provider planned; Moonraker/OctoPrint/Bambu adapters + Dolibarr connector are the next milestones. Dockerfile: multi-stage, non-root, no Node anywhere in the chain.
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farmd
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*.db
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# STLP Shop Manager (farmd) - Go printer-farm manager.
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# Multi-stage: build in golang, run minimal alpine. No Node anywhere.
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FROM golang:1.23-alpine AS build
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WORKDIR /src
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COPY go.mod ./
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COPY cmd/ ./cmd/
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COPY internal/ ./internal/
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RUN CGO_ENABLED=0 go build -ldflags="-s -w" -o /out/farmd ./cmd/farmd
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FROM alpine:3.20
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RUN apk add --no-cache ca-certificates && adduser -D -u 1000 app
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COPY --from=build /out/farmd /usr/local/bin/farmd
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COPY web/templates/ /app/web/templates/
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USER 1000:1000
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ENV FARMD_ADDR=:3000 FARMD_DB_PATH=/app/data/farmd.db
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VOLUME /app/data
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EXPOSE 3000
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HEALTHCHECK CMD wget -qO- http://127.0.0.1:3000/healthz || exit 1
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ENTRYPOINT ["/usr/local/bin/farmd"]
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# STLP Shop Manager
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Go printer-farm manager for Starting Line Productions — Etsy batch printing
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with Dolibarr ERP/MRP integration. Cloudron-deployable, OIDC via the platform
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provider.
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Design + proposal: Redmine [#855](https://projects.knownelement.com/issues/855)
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(program: [#836](https://projects.knownelement.com/issues/836), RDStack).
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## Status
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MVP scaffold: HTTP server + /healthz + dashboard placeholder. Next: printer
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adapters (Moonraker/Klipper, OctoPrint, Bambu), job queue + state machine,
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Dolibarr connector, OIDC login (Cloudron platform provider).
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## Build & run
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go build ./cmd/farmd
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FARMD_ADDR=:3000 FARMD_DB_PATH=/tmp/farmd.db ./farmd
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Docker: `docker build -t farmd .` (serves :3000, data at /app/data).
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## Layout
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cmd/farmd/ entrypoint
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internal/server/ HTTP surface (healthz, dashboard)
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web/templates/ embedded dashboard templates
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module git.knownelement.com/StartingLineProductions.com/STLPShopManager
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go 1.23
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// Package server wires the HTTP surface: health, dashboard, and (coming)
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// the printer/job APIs. See Redmine #855 for the component design.
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package server
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import (
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"fmt"
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"html/template"
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"net/http"
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)
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type Config struct {
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Addr string
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DBPath string
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}
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type Server struct {
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cfg Config
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mux *http.ServeMux
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}
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func New(cfg Config) *Server {
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s := &Server{cfg: cfg, mux: http.NewServeMux()}
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s.mux.HandleFunc("/healthz", s.health)
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s.mux.HandleFunc("/", s.index)
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return s
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}
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func (s *Server) Run() error {
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return http.ListenAndServe(s.cfg.Addr, s.mux)
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}
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func (s *Server) health(w http.ResponseWriter, _ *http.Request) {
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w.WriteHeader(http.StatusOK)
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fmt.Fprintln(w, "ok")
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}
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// index is the farm dashboard placeholder. The real board (printer cards,
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// job queue, batch view) lands with the printer adapters.
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func (s *Server) index(w http.ResponseWriter, _ *http.Request) {
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t, err := template.ParseFiles("web/templates/index.html")
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if err != nil {
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http.Error(w, "template: "+err.Error(), http.StatusInternalServerError)
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return
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}
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_ = t.Execute(w, map[string]string{"Toolset": "farmd 0.1.0-dev"})
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}
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<!doctype html>
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<html lang="en">
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<head><meta charset="utf-8"><title>STLP Shop Manager</title>
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<style>body{font-family:system-ui,sans-serif;max-width:60rem;margin:2rem auto;padding:0 1rem}h1{color:#0a7}code{background:#eee;padding:.1rem .3rem}</style>
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</head>
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<body>
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<h1>STLP Shop Manager</h1>
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<p>Printer farm manager — build {{.Toolset}}. Dashboard under construction (Redmine #855).</p>
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<p>Planned: printer cards (Moonraker/OctoPrint/Bambu), job queue, Etsy batch view, Dolibarr sync.</p>
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</body>
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</html>
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