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1#!/usr/bin/env node
2// Writes the Wrangler configs a self-hosted g1t runs with, derived from the
3// hosted ones, so the two never drift apart.
4//
5// Each hosted service's wrangler.jsonc is read and changed only where
6// Cloudflare-only things live:
7//
8// - account, routes, placement, observability and builds are dropped;
9// - GITSTORE (git storage, Cloudflare Artifacts) becomes a service binding to workers/gitstore,
10// which keeps repositories in the git store (gitstore/server.mjs);
11// - EMAIL (Email Sending) becomes a service binding to workers/mail;
12// - the packages service keeps files in S3-compatible storage (RustFS)
13// instead of R2, the repos service its nightly backups (a bucket of
14// their own, BACKUP_S3_BUCKET), and the artifacts service the files in pages
15// (DOCS_S3_BUCKET);
16// - services that are off in this phase (agents, the context hub, the
17// g1t.page dispatcher, model proxy) are bound to workers/off instead, and
18// events stop queueing work for them;
19// - URLs that name g1t.sh name PUBLIC_URL instead, and billing is free.
20//
21// Usage: node configs.mjs [outDir]
22// Environment: PUBLIC_URL, GITSTORE_URL, GITSTORE_SECRET, MAIL_URL,
23// ACTIONS_KEY, INTEGRATIONS_KEY, WEBHOOKS_KEY, IDENTITY_KEY, USERCONTENT_KEY, REPOS_KEY, CONNECTORS_KEY,
24// USERCONTENT_URL,
25// PACKAGES_TOKEN_SECRET, S3_ENDPOINT, S3_BUCKET, BACKUP_S3_BUCKET, DOCS_S3_BUCKET, S3_REGION,
26// S3_ACCESS_KEY_ID, S3_SECRET_ACCESS_KEY, S3_PUBLIC_ENDPOINT, and optionally
27// your own GitHub App: GITHUB_APP_ID, GITHUB_APP_SLUG, GITHUB_APP_CLIENT_ID,
28// GITHUB_APP_CLIENT_SECRET, GITHUB_APP_PRIVATE_KEY, GITHUB_APP_WEBHOOK_SECRET.
29//
30// The output is for `wrangler dev` (see start.sh): every Worker in one
31// workerd, the site first, with D1, KV and Queues kept on disk.
32
33import { mkdirSync, readFileSync, writeFileSync } from "node:fs";
34import { dirname, join, relative, resolve } from "node:path";
35import { fileURLToPath } from "node:url";
36
37const here = dirname(fileURLToPath(import.meta.url));
38const root = resolve(here, "../..");
39const out = resolve(process.argv[2] ?? join(here, ".generated"));
40mkdirSync(out, { recursive: true });
41
42const PUBLIC_URL = (process.env.PUBLIC_URL ?? "http://localhost:8787").replace(/\/$/, "");
43
44/**
45 * Where the API (REST, OAuth) is reached: API_URL, or PUBLIC_URL's host on
46 * API_PORT (8789). The MCP server is a path on it: MCP_URL, or
47 * `<API_URL>/mcp`. The API's OAuth issuer is API_URL.
48 */
49export function apiAddresses(env = process.env, publicUrl = PUBLIC_URL) {
50 let api = (env.API_URL ?? "").trim().replace(/\/$/, "");
51 if (!api) {
52 const url = new URL(publicUrl);
53 url.port = env.API_PORT || "8789";
54 api = url.origin;
55 }
56 const mcp = (env.MCP_URL ?? "").trim().replace(/\/$/, "") || `${api}/mcp`;
57 return { api, mcp };
58}
59const { api: API_URL, mcp: MCP_URL } = apiAddresses();
60
61// What runs, and what is off, is each unit's `self_host` in
62// deploy/stack.jsonc: the list hosted g1t deploys from.
63const STACK = Object.values(parseJsonc(readFileSync(join(root, "deploy/stack.jsonc"), "utf8")).units);
64
65/** Services that run, in the order Wrangler is given them (the site first). */
66export const RUNNING = STACK.filter((unit) => unit.self_host === "run")
67 .map((unit) => ({ name: unit.worker, dir: unit.path, web: unit.kind === "react-router" }))
68 .sort((a, b) => Number(b.web) - Number(a.web));
69
70/** What the off Worker calls each service that is off in phase 1. */
71const OFF_NAMES = {
72 "g1t-runner": "Agents",
73 "g1t-context": "Context search and memory",
74 "g1t-models": "Hosted models",
75};
76const OFF = Object.fromEntries(
77 STACK.filter((unit) => unit.self_host === "off").map((unit) => [unit.worker, OFF_NAMES[unit.worker] ?? unit.worker]),
78);
79
80/** Sealing keys, by the service that holds each (hosted: Wrangler secrets). */
81const SECRETS = {
82 g1t: "USERCONTENT_KEY",
83 "g1t-repos": "REPOS_KEY",
84 "g1t-actions": "ACTIONS_KEY",
85 "g1t-integrations": "INTEGRATIONS_KEY",
86 "g1t-agents": "CONNECTORS_KEY",
87 "g1t-webhooks": "WEBHOOKS_KEY",
88};
89
90/**
91 * g1t.sh's GitHub App is its own: an installation registers one of its
92 * own, or has none, and then no GitHub buttons appear. Its public settings
93 * replace the hosted vars; its secrets go only to the service that uses each.
94 */
95const GITHUB_VARS = ["GITHUB_APP_ID", "GITHUB_APP_SLUG", "GITHUB_APP_CLIENT_ID"];
96const GITHUB_SECRETS = {
97 "g1t-identity": ["GITHUB_APP_CLIENT_SECRET", "IDENTITY_KEY", "REGISTRATION_MODE"],
98 "g1t-integrations": ["GITHUB_APP_PRIVATE_KEY", "GITHUB_APP_WEBHOOK_SECRET"],
99};
100
101/**
102 * Services whose cron triggers scheduler.mjs runs here: sweeps and
103 * reminders that need nothing self-hosting lacks (the artifacts service's is
104 * emptying artifacts' trash after 30 days). Not run: actions (its
105 * minute would start scheduled workflows with no runner to take them),
106 * billing (reconciles against Cloudflare and Stripe), deployments (calls
107 * Cloudflare's API) and the services that are off.
108 */
109const SELF_HOST_CRONS = new Set(["g1t-repos", "g1t-events", "g1t-identity", "g1t-security", "g1t-webhooks", "g1t-packages", "g1t-artifacts"]);
110
111/** Queues whose consumers are off: events stops sending to them. */
112const OFF_QUEUES = new Set(["g1t-events-runner", "g1t-events-context"]);
113
114/** Strips comments and trailing commas from JSONC. Strings are respected. */
115function parseJsonc(text) {
116 let result = "";
117 let inString = false;
118 for (let i = 0; i < text.length; i++) {
119 const char = text[i];
120 if (inString) {
121 result += char;
122 if (char === "\\") result += text[++i];
123 else if (char === '"') inString = false;
124 } else if (char === '"') {
125 inString = true;
126 result += char;
127 } else if (char === "/" && text[i + 1] === "/") {
128 while (i < text.length && text[i] !== "\n") i++;
129 result += "\n";
130 } else if (char === "/" && text[i + 1] === "*") {
131 i = text.indexOf("*/", i + 2) + 1;
132 } else {
133 result += char;
134 }
135 }
136 return JSON.parse(result.replace(/,(\s*[}\]])/g, "$1"));
137}
138
139const rel = (path) => relative(out, resolve(root, path)).replaceAll("\\", "/");
140
141function hostedUrl(value) {
142 return typeof value === "string"
143 ? value.replace(/https:\/\/api\.g1t\.sh/g, API_URL).replace(/https:\/\/g1t\.sh/g, PUBLIC_URL)
144 : value;
145}
146
147function selfHosted(service) {
148 const hosted = parseJsonc(readFileSync(join(root, service.dir, "wrangler.jsonc"), "utf8"));
149 const config = {
150 name: hosted.name,
151 compatibility_date: hosted.compatibility_date,
152 compatibility_flags: hosted.compatibility_flags,
153 rules: hosted.rules,
154 vars: {},
155 };
156
157 if (service.web) {
158 // The site as React Router built it (apps/web/build), not its sources.
159 config.main = rel(`${service.dir}/build/server/index.js`);
160 config.no_bundle = true;
161 config.rules = [{ type: "ESModule", globs: ["**/*.js", "**/*.mjs"] }];
162 config.assets = { directory: rel(`${service.dir}/build/client`) };
163 } else {
164 config.main = rel(join(service.dir, hosted.main));
165 }
166
167 for (const [key, value] of Object.entries(hosted.vars ?? {})) config.vars[key] = hostedUrl(value);
168
169 if (hosted.d1_databases) {
170 config.d1_databases = hosted.d1_databases.map((db) => ({
171 binding: db.binding,
172 database_name: db.database_name,
173 database_id: db.database_id,
174 migrations_dir: rel(join(service.dir, db.migrations_dir ?? "migrations")),
175 }));
176 }
177 if (hosted.kv_namespaces) config.kv_namespaces = hosted.kv_namespaces.map(({ binding, id }) => ({ binding, id }));
178 if (hosted.triggers) config.triggers = hosted.triggers;
179
180 if (hosted.queues) {
181 config.queues = {};
182 if (hosted.queues.producers) {
183 config.queues.producers = hosted.queues.producers.filter((producer) => !OFF_QUEUES.has(producer.queue));
184 }
185 if (hosted.queues.consumers) config.queues.consumers = hosted.queues.consumers;
186 }
187
188 config.services = (hosted.services ?? []).map((binding) =>
189 OFF[binding.service] ? { binding: binding.binding, service: offName(binding.service) } : binding,
190 );
191
192 // Cloudflare-only bindings, and what stands in for them.
193 if (hosted.artifacts) {
194 for (const store of hosted.artifacts) {
195 config.services.push({ binding: store.binding, service: "g1t-gitstore" });
196 }
197 }
198 if (hosted.send_email) {
199 for (const email of hosted.send_email) config.services.push({ binding: email.name, service: "g1t-mail" });
200 }
201
202 // Secrets the hosted services hold, given here from the environment, each
203 // only to the service that uses it.
204 const secret = SECRETS[hosted.name];
205 if (secret && process.env[secret]) config.vars[secret] = process.env[secret];
206 for (const name of GITHUB_VARS) {
207 if (name in config.vars) config.vars[name] = process.env[name] ?? "";
208 }
209 for (const name of GITHUB_SECRETS[hosted.name] ?? []) {
210 if (process.env[name]) config.vars[name] = process.env[name];
211 }
212
213 // Self-hosted g1t charges nothing: billing records usage at cost and never
214 // stops work for it.
215 if (hosted.name === "g1t-billing") config.vars.FREE_WHILE_BUILDING = "true";
216 // Anyone may register on an installation of your own unless you set
217 // REGISTRATION_MODE=invite; invites then work as on g1t.sh, and the owners
218 // of INVITE_STAFF_WORKSPACES (yours, not g1t.sh's) invite without limit.
219 if (hosted.name === "g1t-identity") {
220 config.vars.REGISTRATION_MODE = process.env.REGISTRATION_MODE || "open";
221 config.vars.INVITE_STAFF_WORKSPACES = process.env.INVITE_STAFF_WORKSPACES ?? "";
222 if (process.env.INVITES_PER_USER) config.vars.INVITES_PER_USER = process.env.INVITES_PER_USER;
223 // Access requests are summarised to your own address, not g1t.sh's.
224 config.vars.WAITLIST_NOTIFY_EMAIL = process.env.WAITLIST_NOTIFY_EMAIL ?? "";
225 }
226 // Packages' files go to the compose file's RustFS (or any S3-compatible
227 // store) instead of R2, with no request size limit, and package
228 // addresses start with this installation's host.
229 if (hosted.name === "g1t-packages") {
230 Object.assign(config.vars, {
231 BLOB_STORE: "s3",
232 S3_ENDPOINT: process.env.S3_ENDPOINT ?? "http://rustfs:9000",
233 S3_BUCKET: process.env.S3_BUCKET ?? "g1t-packages",
234 S3_REGION: process.env.S3_REGION ?? "us-east-1",
235 S3_ACCESS_KEY_ID: process.env.S3_ACCESS_KEY_ID ?? "",
236 S3_SECRET_ACCESS_KEY: process.env.S3_SECRET_ACCESS_KEY ?? "",
237 S3_PUBLIC_ENDPOINT: process.env.S3_PUBLIC_ENDPOINT ?? "",
238 MAX_REQUEST_BYTES: "0",
239 STORAGE_LIMITS: "off",
240 REGISTRY_HOST: new URL(PUBLIC_URL).host,
241 PACKAGES_TOKEN_SECRET: process.env.PACKAGES_TOKEN_SECRET ?? "",
242 });
243 delete config.vars.R2_ACCOUNT_ID;
244 delete config.vars.R2_BUCKET;
245 }
246 // Where this installation is reached, for the links and addresses each
247 // shows: the site's clone URLs, meta tags and agent setup, the API's
248 // OAuth issuer and MCP server, and identity's mail. No social cards: the
249 // card service (services/og) is not run here.
250 // Repository files and avatars: USERCONTENT_URL, a host of its own that
251 // reaches this same site, or, empty, a path on it (PUBLIC_URL/-/usercontent).
252 if (service.web) {
253 Object.assign(config.vars, { SITE_URL: PUBLIC_URL, API_URL, MCP_URL, OG_URL: "", USERCONTENT_URL: (process.env.USERCONTENT_URL ?? "").trim() });
254 }
255 if (hosted.name === "g1t-api") Object.assign(config.vars, { SITE_URL: PUBLIC_URL, API_URL, MCP_URL });
256 // Notifications on the g1t phone app go through Expo's push service (and
257 // from there Google's and Apple's), with no setup here, unless
258 // PHONE_PUSH=off: notify then sends phones nothing, and the site's
259 // /.well-known/g1t.json tells the app so.
260 if (service.web || hosted.name === "g1t-notify") config.vars.PHONE_PUSH = process.env.PHONE_PUSH === "off" ? "off" : "on";
261 if (hosted.name === "g1t-identity") config.vars.SITE_URL = PUBLIC_URL;
262 // Nightly backups' bundles go to a bucket of their own on the same
263 // S3-compatible store, instead of the BACKUPS R2 bucket, and so do the
264 // packs kept for fresh clones (src/pack_cache.rs), instead of GIT_PACKS.
265 if (hosted.name === "g1t-repos") {
266 Object.assign(config.vars, {
267 BACKUP_STORE: "s3",
268 BACKUP_S3_BUCKET: process.env.BACKUP_S3_BUCKET ?? "g1t-backups",
269 PACK_STORE: "s3",
270 PACK_S3_BUCKET: process.env.PACK_S3_BUCKET ?? "g1t-git-packs",
271 S3_ENDPOINT: process.env.S3_ENDPOINT ?? "http://rustfs:9000",
272 S3_REGION: process.env.S3_REGION ?? "us-east-1",
273 S3_ACCESS_KEY_ID: process.env.S3_ACCESS_KEY_ID ?? "",
274 S3_SECRET_ACCESS_KEY: process.env.S3_SECRET_ACCESS_KEY ?? "",
275 });
276 }
277 // Files people put in Docs pages go to a bucket of their own on the same
278 // S3-compatible store, instead of the FILES R2 bucket (services/artifacts
279 // src/files.ts, `s3FileStore`).
280 if (hosted.name === "g1t-artifacts") {
281 Object.assign(config.vars, {
282 DOCS_FILES: "s3",
283 DOCS_S3_ENDPOINT: process.env.S3_ENDPOINT ?? "http://rustfs:9000",
284 DOCS_S3_BUCKET: process.env.DOCS_S3_BUCKET ?? "g1t-docs-files",
285 DOCS_S3_REGION: process.env.S3_REGION ?? "us-east-1",
286 DOCS_S3_ACCESS_KEY_ID: process.env.S3_ACCESS_KEY_ID ?? "",
287 DOCS_S3_SECRET_ACCESS_KEY: process.env.S3_SECRET_ACCESS_KEY ?? "",
288 });
289 }
290 // Nothing to deploy to: deployments are off (no Cloudflare API token).
291 if (hosted.name === "g1t-deployments") delete config.vars.CUSTOM_HOSTNAMES_ZONE_ID;
292
293 return config;
294}
295
296function offName(service) {
297 return `${service}-off`;
298}
299
300function write(name, config) {
301 const path = join(out, `${name}.json`);
302 writeFileSync(path, `${JSON.stringify(config, null, 2)}\n`);
303 return path;
304}
305
306const files = [];
307for (const service of RUNNING) files.push(write(service.name, selfHosted(service)));
308
309const compatibility_date = "2026-09-26";
310files.push(
311 write("g1t-gitstore", {
312 name: "g1t-gitstore",
313 main: rel("deploy/self-host/workers/gitstore/index.js"),
314 compatibility_date,
315 vars: {
316 GITSTORE_URL: process.env.GITSTORE_URL ?? "http://gitstore:8080",
317 GITSTORE_SECRET: process.env.GITSTORE_SECRET ?? "",
318 },
319 }),
320);
321files.push(
322 write("g1t-mail", {
323 name: "g1t-mail",
324 main: rel("deploy/self-host/workers/mail/index.js"),
325 compatibility_date,
326 vars: {
327 PUBLIC_URL,
328 MAIL_URL: process.env.MAIL_URL ?? "",
329 MAIL_FROM: process.env.MAIL_FROM ?? "",
330 },
331 }),
332);
333for (const [service, feature] of Object.entries(OFF)) {
334 files.push(
335 write(offName(service), {
336 name: offName(service),
337 main: rel("deploy/self-host/workers/off/index.js"),
338 compatibility_date,
339 vars: { OFF_NAME: feature },
340 }),
341 );
342}
343
344// The order Wrangler takes them in: the site first, as the one that serves.
345writeFileSync(join(out, "workers.txt"), `${files.map((file) => relative(out, file)).join("\n")}\n`);
346
347// The API (REST, MCP and OAuth) is served on a port of its own (API_PORT),
348// by a second `wrangler dev` (start.sh): not in workers.txt. Its service
349// bindings reach the Workers above through Wrangler's dev registry, as
350// any two `wrangler dev` sessions on one machine do.
351{
352 const api = STACK.find((unit) => unit.worker === "g1t-api");
353 write("g1t-api", selfHosted({ name: api.worker, dir: api.path, web: false }));
354 writeFileSync(join(out, "api.json"), `${JSON.stringify({ api: API_URL, mcp: MCP_URL }, null, 2)}\n`);
355}
356
357// What scheduler.mjs runs: each service's own crons, as hosted g1t's Cron
358// Triggers run them, for the services in SELF_HOST_CRONS.
359const schedules = RUNNING.filter((service) => SELF_HOST_CRONS.has(service.name))
360 .map((service) => ({
361 worker: service.name,
362 crons: parseJsonc(readFileSync(join(root, service.dir, "wrangler.jsonc"), "utf8")).triggers?.crons ?? [],
363 }))
364 .filter((schedule) => schedule.crons.length > 0);
365writeFileSync(join(out, "schedules.json"), `${JSON.stringify(schedules, null, 2)}\n`);
366
367// The status page runs in a workerd of its own (status.sh, the `status`
368// service in docker-compose.yml), so it stays up when the site does not:
369// not in workers.txt. It checks the site from inside Compose
370// (STATUS_CHECK_URL) and links to it at PUBLIC_URL. Parts this
371// installation does not run (the API, MCP, docs, g1t.page, the model
372// proxy, billing) are left off its page; a public repository of yours in
373// STATUS_PROBE_REPO adds the git check.
374{
375 const hosted = parseJsonc(readFileSync(join(root, "apps/status/wrangler.jsonc"), "utf8"));
376 const db = hosted.d1_databases[0];
377 write("g1t-status", {
378 name: hosted.name,
379 main: rel(join("apps/status", hosted.main)),
380 compatibility_date: hosted.compatibility_date,
381 rules: hosted.rules,
382 triggers: hosted.triggers,
383 d1_databases: [
384 {
385 binding: db.binding,
386 database_name: db.database_name,
387 database_id: db.database_id,
388 migrations_dir: rel(join("apps/status", db.migrations_dir)),
389 },
390 ],
391 vars: {
392 SITE_URL: (process.env.STATUS_CHECK_URL ?? "http://g1t:8787").replace(/\/$/, ""),
393 PUBLIC_SITE_URL: PUBLIC_URL,
394 API_URL: "",
395 MCP_URL: "",
396 DOCS_URL: "",
397 PAGES_URL: "",
398 MODELS_URL: "",
399 PROBE_REPO: process.env.STATUS_PROBE_REPO ?? "",
400 SUPPORT_URL: `${PUBLIC_URL}/support`,
401 OG_IMAGE: "",
402 // Its own address, for links made outside a request. No email
403 // binding here: subscribing by email is off, the feeds work.
404 STATUS_URL: `http://localhost:${process.env.STATUS_PORT ?? "8788"}`,
405 STATUS_ALERT_EMAIL: "",
406 },
407 });
408}
409console.log(`Wrote ${files.length} configs to ${out}`);