fix(selfhost): pin MinIO images and add application health checks

backend/src/routes/health.ts

@@ -2,6 +2,16 @@ import { FastifyInstance } from "fastify";
 import { getBuildInfo } from "../utils/buildInfo";
 
 export default async function routes(server: FastifyInstance) {
+    server.get("/health", async (_request, reply) => {
+        reply.header("Cache-Control", "no-store");
+        try {
+            await server.db.execute("SELECT 1");
+            return { status: "ok", ...getBuildInfo() };
+        } catch {
+            return reply.code(503).send({ status: "unavailable" });
+        }
+    });
+
     server.get("/version", async (_request, reply) => {
         reply.header("Cache-Control", "no-store");
         return getBuildInfo();