feat: service health endpoint & docker health check

Dockerfile

@@ -20,5 +20,8 @@ RUN chmod +x ./entrypoint.sh
 
 EXPOSE 3000
 
+HEALTHCHECK --interval=10s --timeout=5s --retries=5 \
+    CMD wget --proxy off --no-verbose --tries=1 --spider http://localhost:3000/ || exit 1
+
 ENTRYPOINT ["/bin/sh", "./entrypoint.sh"]
 CMD ["cli", "start"]

packages/server-core/src/http/controllers/core/root/index.ts

@@ -0,0 +1 @@
+export * from './module';

packages/server-core/src/http/controllers/core/root/module.ts

@@ -0,0 +1,17 @@
+import {
+    DController, DGet, DRequest, DResponse, DTags,
+} from '@routup/decorators';
+import type { EndpointInfo } from './status';
+import { useStatusRouteHandler } from './status';
+
+@DTags('root')
+@DController('')
+export class RootController {
+    @DGet('/', [])
+    async status(
+        @DRequest() req: any,
+            @DResponse() res: any,
+    ): Promise<EndpointInfo> {
+        return useStatusRouteHandler(req, res);
+    }
+}

packages/server-core/src/http/controllers/core/root/status/index.ts

@@ -0,0 +1,8 @@
+/*
+ * Copyright (c) 2023.
+ * Author Peter Placzek (tada5hi)
+ * For the full copyright and license information,
+ * view the LICENSE file that was distributed with this source code.
+ */
+
+export * from './module';

packages/server-core/src/http/controllers/core/root/status/module.ts

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2023.
+ * Author Peter Placzek (tada5hi)
+ * For the full copyright and license information,
+ * view the LICENSE file that was distributed with this source code.
+ */
+
+import path from 'node:path';
+import { load } from 'locter';
+import process from 'node:process';
+import { send } from 'routup';
+import type { Request, Response } from 'routup';
+
+export type EndpointInfo = {
+    version: string,
+    timestamp: number,
+};
+
+let info : undefined | EndpointInfo;
+
+export async function useInfo() {
+    if (typeof info !== 'undefined') {
+        return info;
+    }
+
+    const pkgJson = await load(path.join(process.cwd(), 'package.json'));
+
+    info = {
+        version: pkgJson.version,
+        timestamp: Date.now(),
+    };
+
+    return info;
+}
+export async function useStatusRouteHandler(req: Request, res: Response) : Promise<any> {
+    const status = await useInfo();
+    status.timestamp = Date.now();
+
+    return send(res, status);
+}

packages/server-core/src/http/routes.ts

@@ -24,6 +24,7 @@ import { ProposalStationController } from './controllers/core/project-node';
 import { NodeController } from './controllers/core/node';
 import { AnalysisController } from './controllers/core/analysis';
 import { AnalysisNodeController } from './controllers/core/analysis-node';
+import { RootController } from './controllers/core/root';
 import { ServiceController } from './controllers/special/service';
 import { MasterImageGroupController } from './controllers/core/master-image-group';
 import { RegistryController } from './controllers/core/registry';
@@ -44,6 +45,8 @@ export function registerControllers(router: Router) {
             TrainLogController,
             AnalysisNodeController,
 
+            RootController,
+
             // Extra
             ServiceController,
         ],