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import {
ASYNC_JOBS_CAPABILITY,
CACHE_CAPABILITY,
CORE_CONFIGURATION_KEYS,
EMAIL_CAPABILITY,
EnvCapabilityConfigurationError,
inspectCapability,
inspectOAuthClientCapability,
OAUTH_CLIENT_CAPABILITIES,
OCR_CAPABILITY,
requireCapability,
SANDBOX_CAPABILITY,
STORAGE_CAPABILITY,
} from '../../apps/sim/lib/core/config/env-capabilities.ts'
import { getSetupCommand } from './capability-config.ts'
import { portOpen } from './detect.ts'
import {
type EnvFile,
type EnvTarget,
generateSecret,
isPlaceholder,
isTruthy,
isUsableSecret,
readEnvFile,
SECRET_KEYS,
SHARED_KEYS,
secretRequirement,
writeEnvValues,
} from './env-files.ts'
import { httpHealth, pgProbe, redisPing } from './probes.ts'
import { FLAG_TWINS, LOGIN_PROVIDERS } from './twins.ts'
export type CheckGroup = 'files' | 'schema' | 'consistency' | 'coherence' | 'live'
export type CheckStatus = 'pass' | 'warn' | 'fail' | 'skip'
export interface Finding {
group: CheckGroup
status: CheckStatus
message: string
fix?: string
autofix?: () => void
}
/**
* Which env-file topology this install uses. Compose mode writes a single root
* `.env` (that's what `docker-compose.*.yml` reads via `env_file`), dev mode
* writes the three per-app files. Checking for the wrong one reports a healthy
* install as broken, so the layout is derived and every check consults it.
*/
export type EnvLayout = 'split' | 'root' | 'none'
export interface CheckContext {
env: Record<EnvTarget, EnvFile>
layout: EnvLayout
/** The file holding app configuration for this layout — what coherence reads. */
primary: EnvFile
live: boolean
}
/** Split wins when both exist: the per-app files are what a dev run actually loads. */
function detectLayout(env: Record<EnvTarget, EnvFile>): EnvLayout {
if (env.sim.exists || env.realtime.exists || env.db.exists) return 'split'
return env.root.exists ? 'root' : 'none'
}
/** Targets whose files this layout expects to exist. */
function layoutTargets(layout: EnvLayout): EnvTarget[] {
if (layout === 'split') return ['sim', 'realtime', 'db']
return layout === 'root' ? ['root'] : []
}
export function loadCheckContext(live: boolean): CheckContext {
const env = {
sim: readEnvFile('sim'),
realtime: readEnvFile('realtime'),
db: readEnvFile('db'),
root: readEnvFile('root'),
}
const layout = detectLayout(env)
return { env, layout, primary: layout === 'root' ? env.root : env.sim, live }
}
export const REQUIRED_APP_KEYS = CORE_CONFIGURATION_KEYS
const REQUIRED_KEYS: Partial<Record<EnvTarget, readonly string[]>> = {
sim: REQUIRED_APP_KEYS,
realtime: [
'DATABASE_URL',
'BETTER_AUTH_URL',
'BETTER_AUTH_SECRET',
'INTERNAL_API_SECRET',
'NEXT_PUBLIC_APP_URL',
],
db: ['DATABASE_URL'],
// Compose's single root .env only carries the secrets that have no safe
// interpolation default in docker-compose.*.yml. DATABASE_URL, BETTER_AUTH_URL,
// and NEXT_PUBLIC_APP_URL are supplied by `${VAR:-default}` there, so requiring
// them here would fail a healthy compose install that never wrote them.
root: ['BETTER_AUTH_SECRET', 'ENCRYPTION_KEY', 'INTERNAL_API_SECRET'],
}
const MIN_32_KEYS = new Set<string>(SECRET_KEYS)
const URL_KEYS = ['DATABASE_URL', 'BETTER_AUTH_URL', 'NEXT_PUBLIC_APP_URL']
function rel(file: EnvFile): string {
return `${file.target === 'root' ? '' : file.target === 'db' ? 'packages/db/' : `apps/${file.target}/`}.env`
}
function checkFiles(ctx: CheckContext): Finding[] {
if (ctx.layout === 'none') {
return [
{
group: 'files',
status: 'fail',
message: 'no env files found',
fix: 'run: bun run setup',
},
]
}
const findings: Finding[] = []
for (const target of layoutTargets(ctx.layout)) {
const file = ctx.env[target]
if (file.exists) {
findings.push({
group: 'files',
status: 'pass',
message: `${rel(file)} exists`,
})
continue
}
const canSeed = target !== 'sim' && ctx.env.sim.exists
findings.push({
group: 'files',
status: 'fail',
message: `${rel(file)} is missing`,
fix: canSeed
? `run doctor --fix to seed it from apps/${target === 'db' ? '../packages/db' : target}/.env.example + apps/sim/.env`
: 'run: bun run setup',
autofix: canSeed
? () => {
const keys = target === 'db' ? ['DATABASE_URL'] : [...SHARED_KEYS]
const values: Record<string, string> = {}
for (const key of keys) {
const value = ctx.env.sim.vars.get(key)
// Skip placeholders so seeding never copies an .env.example stub
// into the new file (matches autofixForMissing).
if (value && !isPlaceholder(value)) values[key] = value
}
writeEnvValues(target, values)
}
: undefined,
})
}
return findings
}
function autofixForMissing(
ctx: CheckContext,
target: EnvTarget,
key: string
): (() => void) | undefined {
const simValue = ctx.env.sim.vars.get(key)
if (
target !== 'sim' &&
(SHARED_KEYS as readonly string[]).includes(key) &&
simValue &&
!isPlaceholder(simValue)
) {
return () => writeEnvValues(target, { [key]: simValue })
}
if (MIN_32_KEYS.has(key)) {
return () => writeEnvValues(target, { [key]: generateSecret() })
}
return undefined
}
function checkSchema(ctx: CheckContext): Finding[] {
const findings: Finding[] = []
const production = process.env.NODE_ENV === 'production'
for (const target of layoutTargets(ctx.layout)) {
const file = ctx.env[target]
if (!file.exists) continue
const missing: string[] = []
for (const key of REQUIRED_KEYS[target] ?? []) {
const value = file.vars.get(key)
if (!value) {
missing.push(key)
findings.push({
group: 'schema',
status: 'fail',
message: `${rel(file)}: ${key} is missing or empty`,
fix: MIN_32_KEYS.has(key) ? 'doctor --fix generates it' : `set ${key} in ${rel(file)}`,
autofix: autofixForMissing(ctx, target, key),
})
continue
}
if (isPlaceholder(value)) {
findings.push({
group: 'schema',
status: production ? 'fail' : 'warn',
message: `${rel(file)}: ${key} still has the .env.example placeholder`,
fix: MIN_32_KEYS.has(key)
? 'doctor --fix generates a real value'
: `replace the placeholder in ${rel(file)}`,
autofix: MIN_32_KEYS.has(key)
? () => writeEnvValues(target, { [key]: generateSecret() })
: undefined,
})
continue
}
if (MIN_32_KEYS.has(key) && !isUsableSecret(key, value)) {
findings.push({
group: 'schema',
status: 'fail',
message: `${rel(file)}: ${key} ${secretRequirement(key)}`,
fix: 'generate a new one with `openssl rand -hex 32` (rotating it invalidates existing sessions/encrypted data)',
})
continue
}
if (URL_KEYS.includes(key)) {
try {
new URL(value)
} catch {
findings.push({
group: 'schema',
status: 'fail',
message: `${rel(file)}: ${key} is not a valid URL (${value})`,
fix: `correct ${key} in ${rel(file)}`,
})
}
}
}
if (missing.length === 0 && findings.every((f) => !f.message.startsWith(rel(file)))) {
findings.push({
group: 'schema',
status: 'pass',
message: `${rel(file)}: required keys valid`,
})
}
}
return findings
}
function checkConsistency(ctx: CheckContext): Finding[] {
// Consistency is about the same key agreeing across files; a single root
// file has nothing to disagree with.
if (ctx.layout !== 'split') {
return ctx.layout === 'root'
? [
{
group: 'consistency',
status: 'skip',
message: 'single .env — nothing to mirror',
},
]
: []
}
const findings: Finding[] = []
const { sim, realtime, db } = ctx.env
if (sim.exists && realtime.exists) {
for (const key of SHARED_KEYS) {
const simValue = sim.vars.get(key)
const realtimeValue = realtime.vars.get(key)
if (!simValue || !realtimeValue) continue
if (simValue !== realtimeValue) {
findings.push({
group: 'consistency',
status: 'fail',
message: `${key} differs between apps/sim/.env and apps/realtime/.env`,
fix: 'doctor --fix mirrors the apps/sim/.env value',
autofix: () => writeEnvValues('realtime', { [key]: simValue }),
})
}
}
}
if (sim.exists && db.exists) {
const simDsn = sim.vars.get('DATABASE_URL')
const dbDsn = db.vars.get('DATABASE_URL')
if (simDsn && dbDsn && simDsn !== dbDsn) {
findings.push({
group: 'consistency',
status: 'fail',
message:
'DATABASE_URL differs between apps/sim/.env and packages/db/.env — migrations would hit a different database',
fix: 'doctor --fix mirrors the apps/sim/.env value',
autofix: () => writeEnvValues('db', { DATABASE_URL: simDsn }),
})
}
}
if (findings.length === 0) {
findings.push({
group: 'consistency',
status: 'pass',
message: 'shared env subset is in sync across files',
})
}
return findings
}
function checkCoherence(ctx: CheckContext): Finding[] {
const findings: Finding[] = []
const sim = ctx.primary
if (!sim.exists) return findings
const capabilityChecks = [
{
command: getSetupCommand(ASYNC_JOBS_CAPABILITY.id),
resolve: () => requireCapability(ASYNC_JOBS_CAPABILITY, sim.vars),
},
{
command: getSetupCommand(CACHE_CAPABILITY.id),
resolve: () => requireCapability(CACHE_CAPABILITY, sim.vars),
},
{
command: getSetupCommand(SANDBOX_CAPABILITY.id),
resolve: () => {
const inspection = inspectCapability(SANDBOX_CAPABILITY, sim.vars)
if (inspection.error) throw inspection.error
return inspection
},
},
{
command: getSetupCommand(OCR_CAPABILITY.id),
resolve: () => requireCapability(OCR_CAPABILITY, sim.vars),
},
]
for (const check of capabilityChecks) {
try {
check.resolve()
} catch (error) {
if (!(error instanceof EnvCapabilityConfigurationError)) throw error
findings.push({
group: 'coherence',
status: 'fail',
message: error.message,
fix: check.command,
})
}
}
const appUrl = sim.vars.get('NEXT_PUBLIC_APP_URL')
if (appUrl) {
try {
const host = new URL(appUrl).hostname
if (host === 'sim.ai' || host.endsWith('.sim.ai')) {
findings.push({
group: 'coherence',
status: 'warn',
message: `NEXT_PUBLIC_APP_URL points at ${host} — this flips isHosted=true and disables self-host overrides`,
fix: 'use your own domain or http://localhost:3000',
})
}
} catch {
// schema group already reports the invalid URL
}
}
try {
requireCapability(STORAGE_CAPABILITY, sim.vars)
} catch (error) {
if (!(error instanceof EnvCapabilityConfigurationError)) throw error
findings.push({
group: 'coherence',
status: 'fail',
message: error.message,
fix: getSetupCommand(STORAGE_CAPABILITY.id),
})
}
for (const { server, client } of FLAG_TWINS) {
const serverValue = sim.vars.get(server)
const clientValue = sim.vars.get(client)
const bothUnset = serverValue === undefined && clientValue === undefined
if (bothUnset || isTruthy(serverValue) === isTruthy(clientValue)) continue
const setSide = serverValue !== undefined ? server : client
const missingSide = serverValue !== undefined ? client : server
const value = serverValue ?? clientValue ?? ''
findings.push({
group: 'coherence',
status: 'fail',
message: `${setSide} is set but its twin ${missingSide} disagrees — server and browser will render different features`,
fix: `doctor --fix sets ${missingSide}=${value}`,
// Write to the layout's primary env (root on a compose install), not always sim.
autofix: () => writeEnvValues(sim.target, { [missingSide]: value }),
})
}
/**
* Function sandbox visibility is not a 1:1 server/client twin. The selected
* provider is ready only when its credential and immutable Function base are
* valid, while the browser separately reads the public visibility flag.
*/
const sandboxInspection = inspectCapability(SANDBOX_CAPABILITY, sim.vars)
const sandboxProvider = sandboxInspection.providerId
const selectedSandboxProvider = sandboxInspection.providers.find(
(provider) => provider.id === sandboxProvider
)
const remoteSandboxAvailable =
!sandboxInspection.error && selectedSandboxProvider?.state === 'ready'
const publicSandboxEnabled = isTruthy(sim.vars.get('NEXT_PUBLIC_SANDBOXES_ENABLED'))
if (remoteSandboxAvailable && !publicSandboxEnabled) {
findings.push({
group: 'coherence',
status: 'fail',
message:
'remote sandboxes are configured but NEXT_PUBLIC_SANDBOXES_ENABLED is unset — the Function block will hide its language and sandbox controls',
fix: 'doctor --fix sets NEXT_PUBLIC_SANDBOXES_ENABLED=true',
autofix: () => writeEnvValues(sim.target, { NEXT_PUBLIC_SANDBOXES_ENABLED: 'true' }),
})
} else if (!remoteSandboxAvailable && publicSandboxEnabled) {
findings.push({
group: 'coherence',
status: 'fail',
message:
'NEXT_PUBLIC_SANDBOXES_ENABLED is on but the selected provider lacks credentials or a valid immutable Function base — the UI exposes a runtime that will reject execution',
fix: 'doctor --fix sets NEXT_PUBLIC_SANDBOXES_ENABLED=false; finish provider setup before enabling it',
autofix: () => writeEnvValues(sim.target, { NEXT_PUBLIC_SANDBOXES_ENABLED: 'false' }),
})
}
const disableAuth = sim.vars.get('DISABLE_AUTH')
if (
isTruthy(disableAuth) &&
ctx.env.realtime.exists &&
!isTruthy(ctx.env.realtime.vars.get('DISABLE_AUTH'))
) {
findings.push({
group: 'coherence',
status: 'fail',
message:
'DISABLE_AUTH is on in apps/sim/.env but not apps/realtime/.env — the socket server still enforces auth, so the canvas breaks silently',
fix: 'doctor --fix mirrors it into apps/realtime/.env',
autofix: () => writeEnvValues('realtime', { DISABLE_AUTH: disableAuth as string }),
})
}
const email = inspectCapability(EMAIL_CAPABILITY, sim.vars)
const emailConfigured = email.configured
if (email.error) {
findings.push({
group: 'coherence',
status: 'fail',
message: email.error.message,
fix: getSetupCommand(EMAIL_CAPABILITY.id),
})
}
if (isTruthy(sim.vars.get('EMAIL_VERIFICATION_ENABLED')) && !emailConfigured) {
findings.push({
group: 'coherence',
status: 'fail',
message:
'EMAIL_VERIFICATION_ENABLED is on but no mail provider is configured — the app must bypass verification to avoid locking out new users',
fix: `${getSetupCommand(EMAIL_CAPABILITY.id)}, or turn verification off`,
})
}
for (const providerId of Object.keys(OAUTH_CLIENT_CAPABILITIES)) {
const oauth = inspectOAuthClientCapability(providerId, sim.vars)
if (oauth.state !== 'partial' && oauth.state !== 'invalid') continue
findings.push({
group: 'coherence',
status: 'fail',
message: `${providerId} OAuth is partially configured — missing ${oauth.missingFields.join(', ')}`,
fix: oauth.setupCommand,
})
}
const featureRules: Array<{ flag: string; needs: string[]; label: string }> = [
{
flag: 'BILLING_ENABLED',
needs: ['STRIPE_SECRET_KEY'],
label: 'billing',
},
{ flag: 'SSO_ENABLED', needs: ['SSO_ISSUER'], label: 'SSO' },
]
for (const rule of featureRules) {
if (!isTruthy(sim.vars.get(rule.flag))) continue
const missing = rule.needs.filter((key) => !sim.vars.get(key))
if (missing.length > 0) {
findings.push({
group: 'coherence',
status: 'fail',
message: `${rule.flag} is on but ${missing.join(', ')} is not set — ${rule.label} will fail at runtime`,
fix: `set ${missing.join(', ')} or remove ${rule.flag}`,
})
}
}
if (
isTruthy(sim.vars.get('PII_GRANULAR_REDACTION')) &&
!isTruthy(sim.vars.get('PII_REDACTION'))
) {
findings.push({
group: 'coherence',
status: 'warn',
message:
'PII_GRANULAR_REDACTION is on but PII_REDACTION is off — the granular flag is inert without it',
fix: 'set PII_REDACTION=true or remove PII_GRANULAR_REDACTION',
})
}
if (
Boolean(sim.vars.get('TURNSTILE_SECRET_KEY')) !==
Boolean(sim.vars.get('NEXT_PUBLIC_TURNSTILE_SITE_KEY'))
) {
findings.push({
group: 'coherence',
status: 'fail',
message:
'Turnstile is half-configured — TURNSTILE_SECRET_KEY and NEXT_PUBLIC_TURNSTILE_SITE_KEY must both be set',
fix: 'set the missing Turnstile var or remove both',
})
}
for (const provider of LOGIN_PROVIDERS) {
if (Boolean(sim.vars.get(provider.idKey)) !== Boolean(sim.vars.get(provider.secretKey))) {
findings.push({
group: 'coherence',
status: 'fail',
message: `${provider.label} login is half-configured — ${provider.idKey} and ${provider.secretKey} must both be set`,
fix: 'set the missing credential or remove both',
})
}
}
const appUrlValue = sim.vars.get('NEXT_PUBLIC_APP_URL')
if (
appUrlValue &&
!appUrlValue.includes('localhost') &&
!appUrlValue.includes('127.0.0.1') &&
!sim.vars.get('NEXT_PUBLIC_SOCKET_URL')
) {
findings.push({
group: 'coherence',
status: 'warn',
message:
'NEXT_PUBLIC_APP_URL is not localhost but NEXT_PUBLIC_SOCKET_URL is unset — the browser cannot find the realtime server',
fix: 'set NEXT_PUBLIC_SOCKET_URL to the public URL of the realtime service (:3002)',
})
}
if (findings.length === 0) {
findings.push({
group: 'coherence',
status: 'pass',
message: 'no conflicting settings',
})
}
return findings
}
async function checkDatabase(sim: EnvFile): Promise<Finding[]> {
const findings: Finding[] = []
const dsn = sim.vars.get('DATABASE_URL')
const dsnPassword = (() => {
try {
return dsn ? new URL(dsn).password : null
} catch {
return null
}
})()
if (dsn && dsnPassword !== null && !isPlaceholder(dsnPassword)) {
const probe = await pgProbe(dsn)
if (!probe.ok) {
findings.push({
group: 'live',
status: 'fail',
message: `database unreachable: ${probe.error}`,
fix: 'start Postgres (bun run setup can manage a pgvector container) or fix DATABASE_URL',
})
} else {
findings.push({
group: 'live',
status: 'pass',
message: 'database reachable',
})
if (!probe.pgvectorAvailable) {
findings.push({
group: 'live',
status: 'fail',
message: 'pgvector extension is not available on this Postgres',
fix: 'use the pgvector/pgvector:pg17 image or install the extension',
})
}
const { applied, journal } = probe.migrations ?? {
applied: null,
journal: 0,
}
if (applied === null) {
findings.push({
group: 'live',
status: 'fail',
message: 'migrations have never run on this database',
fix: 'cd packages/db && bun run db:migrate',
})
} else if (applied < journal) {
findings.push({
group: 'live',
status: 'warn',
message: `database has ${applied}/${journal} migrations applied`,
fix: 'cd packages/db && bun run db:migrate',
})
} else {
findings.push({
group: 'live',
status: 'pass',
message: `migrations up to date (${applied})`,
})
}
}
} else {
findings.push({
group: 'live',
status: 'skip',
message: 'database: DATABASE_URL not usable yet',
})
}
return findings
}
async function checkRedis(sim: EnvFile): Promise<Finding[]> {
const inspection = inspectCapability(CACHE_CAPABILITY, sim.vars)
if (inspection.error || inspection.providerId !== 'redis') return []
const redisUrl = sim.vars.get('REDIS_URL')
if (!redisUrl) throw new Error('Redis resolved as ready without REDIS_URL')
const ping = await redisPing(redisUrl)
return [
ping.ok
? { group: 'live', status: 'pass', message: 'redis reachable' }
: {
group: 'live',
status: 'fail',
message: `redis unreachable: ${ping.error}`,
fix: 'fix REDIS_URL or remove it (optional for single-replica)',
},
]
}
async function checkService(label: string, port: number, url: string): Promise<Finding[]> {
if (!(await portOpen(port))) {
return [
{
group: 'live',
status: 'skip',
message: `${label}: not running on :${port}`,
},
]
}
if (await httpHealth(url)) {
return [
{
group: 'live',
status: 'pass',
message: `${label} healthy on :${port}`,
},
]
}
return [
{
group: 'live',
status: 'fail',
message: `${label}: something is on :${port} but ${url} is not answering`,
fix: 'check the dev server logs',
},
]
}
async function checkOllama(sim: EnvFile): Promise<Finding[]> {
const ollamaUrl = sim.vars.get('OLLAMA_URL')
if (!ollamaUrl) return []
return [
(await httpHealth(`${ollamaUrl.replace(/\/$/, '')}/api/tags`))
? { group: 'live', status: 'pass', message: 'ollama reachable' }
: {
group: 'live',
status: 'warn',
message: 'OLLAMA_URL is set but Ollama is not answering',
fix: 'start Ollama or remove OLLAMA_URL',
},
]
}
/**
* The five probes are independent, so they run concurrently — serially this is
* the sum of every timeout (~17s worst case) on a command whose whole job is to
* tell you what's broken. Results are concatenated in a fixed order so the
* report stays deterministic regardless of which probe settles first.
*/
async function checkLive(ctx: CheckContext): Promise<Finding[]> {
const sim = ctx.primary
const [database, redis, app, realtime, ollama] = await Promise.all([
checkDatabase(sim),
checkRedis(sim),
checkService('app', 3000, 'http://localhost:3000/api/health'),
checkService('realtime', 3002, 'http://localhost:3002/health'),
checkOllama(sim),
])
return [...database, ...redis, ...app, ...realtime, ...ollama]
}
export async function runChecks(ctx: CheckContext, groups?: CheckGroup[]): Promise<Finding[]> {
const findings: Finding[] = [
...checkFiles(ctx),
...checkSchema(ctx),
...checkConsistency(ctx),
...checkCoherence(ctx),
]
if (ctx.live) findings.push(...(await checkLive(ctx)))
return groups ? findings.filter((f) => groups.includes(f.group)) : findings
}