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feat: foundation — Docker Compose, OTEL, shared types (#65)

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Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>
This commit was merged in pull request #65.
This commit is contained in:
Jason Woltje
2026-03-13 01:55:33 +00:00
committed by jason.woltje
parent f6f05cf23a
commit 35e4e2e527
14 changed files with 2055 additions and 26 deletions
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9
apps/gateway/package.json
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@@ -12,12 +12,19 @@
"test": "vitest run"
},
"dependencies": {
"@mariozechner/pi-coding-agent": "~0.57.1",
"@nestjs/common": "^11.0.0",
"@nestjs/core": "^11.0.0",
"@nestjs/platform-fastify": "^11.0.0",
"@nestjs/platform-socket.io": "^11.0.0",
"@nestjs/websockets": "^11.0.0",
"@mariozechner/pi-coding-agent": "~0.57.1",
"@opentelemetry/auto-instrumentations-node": "^0.71.0",
"@opentelemetry/exporter-metrics-otlp-http": "^0.213.0",
"@opentelemetry/exporter-trace-otlp-http": "^0.213.0",
"@opentelemetry/resources": "^2.6.0",
"@opentelemetry/sdk-metrics": "^2.6.0",
"@opentelemetry/sdk-node": "^0.213.0",
"@opentelemetry/semantic-conventions": "^1.40.0",
"fastify": "^5.0.0",
"reflect-metadata": "^0.2.0",
"rxjs": "^7.8.0",

11
apps/gateway/src/main.ts
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@@ -1,16 +1,21 @@
import './tracing.js';
import 'reflect-metadata';
import { NestFactory } from '@nestjs/core';
import { Logger } from '@nestjs/common';
import { FastifyAdapter, type NestFastifyApplication } from '@nestjs/platform-fastify';
import { AppModule } from './app.module.js';
async function bootstrap(): Promise<void> {
const logger = new Logger('Bootstrap');
const app = await NestFactory.create<NestFastifyApplication>(AppModule, new FastifyAdapter());
await app.listen(4000, '0.0.0.0');
console.log('Gateway listening on port 4000');
const port = process.env['GATEWAY_PORT'] ?? 4000;
await app.listen(port as number, '0.0.0.0');
logger.log(`Gateway listening on port ${port}`);
}
bootstrap().catch((err: unknown) => {
console.error(err);
const logger = new Logger('Bootstrap');
logger.error('Fatal startup error', err instanceof Error ? err.stack : String(err));
process.exit(1);
});

42
apps/gateway/src/tracing.ts Normal file
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@@ -0,0 +1,42 @@
import { NodeSDK } from '@opentelemetry/sdk-node';
import { getNodeAutoInstrumentations } from '@opentelemetry/auto-instrumentations-node';
import { OTLPTraceExporter } from '@opentelemetry/exporter-trace-otlp-http';
import { OTLPMetricExporter } from '@opentelemetry/exporter-metrics-otlp-http';
import { PeriodicExportingMetricReader } from '@opentelemetry/sdk-metrics';
import { resourceFromAttributes } from '@opentelemetry/resources';
import { ATTR_SERVICE_NAME, ATTR_SERVICE_VERSION } from '@opentelemetry/semantic-conventions';
const otlpEndpoint = process.env['OTEL_EXPORTER_OTLP_ENDPOINT'] ?? 'http://localhost:4318';
const sdk = new NodeSDK({
resource: resourceFromAttributes({
[ATTR_SERVICE_NAME]: process.env['OTEL_SERVICE_NAME'] ?? 'mosaic-gateway',
[ATTR_SERVICE_VERSION]: '0.0.0',
}),
traceExporter: new OTLPTraceExporter({
url: `${otlpEndpoint}/v1/traces`,
}),
metricReader: new PeriodicExportingMetricReader({
exporter: new OTLPMetricExporter({
url: `${otlpEndpoint}/v1/metrics`,
}),
exportIntervalMillis: 15_000,
}),
instrumentations: [
getNodeAutoInstrumentations({
'@opentelemetry/instrumentation-fs': { enabled: false },
'@opentelemetry/instrumentation-dns': { enabled: false },
}),
],
});
sdk.start();
process.on('SIGTERM', () => {
sdk
.shutdown()
.then(() => process.exit(0))
.catch(() => process.exit(1));
});
export { sdk };