From 507d823336a5340ea1c0bbba3b39acef9a1a35e0 Mon Sep 17 00:00:00 2001
From: midwestE <6331501+midweste@users.noreply.github.com>
Date: Mon, 16 Mar 2026 18:23:28 -0500
Subject: [PATCH] feat: auto-infer port from QDRANT_URL for reverse proxy
 support

---
 README.md                    |  2 +-
 src/constants.ts             | 11 +++++++++++
 src/services/qdrant.ts       |  3 ++-
 tests/unit/constants.test.ts | 24 ++++++++++++++++++++++++
 4 files changed, 38 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 28002ce..b2a06b6 100644
--- a/README.md
+++ b/README.md
@@ -712,7 +712,7 @@ Artifacts are chunked and embedded into Qdrant using the same hybrid dense + BM2
 | Variable | Default | Description |
 |----------|---------|-------------|
 | `QDRANT_MODE` | `managed` | `managed` = Docker-managed local Qdrant (default). `external` = user-provided remote or cloud Qdrant (no Docker management). |
-| `QDRANT_URL` | *(none)* | Full URL of a remote/cloud Qdrant instance (e.g. `https://xyz.aws.cloud.qdrant.io:6333`). When set, takes precedence over `QDRANT_HOST` + `QDRANT_PORT`. Required (or set `QDRANT_HOST`) when `QDRANT_MODE=external`. |
+| `QDRANT_URL` | *(none)* | Full URL of a remote/cloud Qdrant instance (e.g. `https://xyz.aws.cloud.qdrant.io:6333`). When set, takes precedence over `QDRANT_HOST` + `QDRANT_PORT`. Port is auto-inferred from the URL: explicit port if present (e.g. `:8443`), otherwise `443` for `https://` or `6333` for `http://`. Required (or set `QDRANT_HOST`) when `QDRANT_MODE=external`. |
 | `QDRANT_PORT` | `16333` | Qdrant REST API port (managed mode, or external without `QDRANT_URL`) |
 | `QDRANT_GRPC_PORT` | `16334` | Qdrant gRPC port (managed mode only) |
 | `QDRANT_HOST` | `localhost` | Qdrant hostname (alternative to `QDRANT_URL` for non-HTTPS external instances) |
diff --git a/src/constants.ts b/src/constants.ts
index 43a44cc..409e36e 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -30,6 +30,17 @@ export const QDRANT_MODE: "managed" | "external" =
 export const QDRANT_CONTAINER_NAME = "socraticode-qdrant";
 export const QDRANT_IMAGE = "qdrant/qdrant:v1.17.0";
 
+/**
+ * Resolve the Qdrant REST port from a URL.
+ * Returns the explicit port if present (e.g. `:8443`),
+ * otherwise `443` for `https://` or `6333` for `http://`.
+ */
+export function resolveQdrantPort(url: string): number {
+  const parsed = new URL(url);
+  if (parsed.port) return parseInt(parsed.port, 10);
+  return url.startsWith("https:") ? 443 : 6333;
+}
+
 // ── Ollama configuration ────────────────────────────────────────────────
 
 export const OLLAMA_PORT = parseInt(process.env.OLLAMA_PORT || "11435", 10);
diff --git a/src/services/qdrant.ts b/src/services/qdrant.ts
index 0934213..9057bd4 100644
--- a/src/services/qdrant.ts
+++ b/src/services/qdrant.ts
@@ -2,7 +2,7 @@
 // Copyright (C) 2026 Giancarlo Erra - Altaire Limited
 import { createHash } from "node:crypto";
 import { QdrantClient } from "@qdrant/js-client-rest";
-import { QDRANT_API_KEY, QDRANT_HOST, QDRANT_PORT, QDRANT_URL } from "../constants.js";
+import { QDRANT_API_KEY, QDRANT_HOST, QDRANT_PORT, QDRANT_URL, resolveQdrantPort } from "../constants.js";
 import type { ArtifactIndexState, CodeGraph, FileChunk, SearchResult } from "../types.js";
 import { getEmbeddingConfig } from "./embedding-config.js";
 import { generateEmbeddings, generateQueryEmbedding, prepareDocumentText } from "./embeddings.js";
@@ -43,6 +43,7 @@ function getClient(): QdrantClient {
       QDRANT_URL
         ? {
             url: QDRANT_URL,
+            port: resolveQdrantPort(QDRANT_URL),
             ...(QDRANT_API_KEY ? { apiKey: QDRANT_API_KEY } : {}),
             checkCompatibility: false,
           }
diff --git a/tests/unit/constants.test.ts b/tests/unit/constants.test.ts
index 6938504..740a210 100644
--- a/tests/unit/constants.test.ts
+++ b/tests/unit/constants.test.ts
@@ -22,6 +22,7 @@ import {
   QDRANT_MODE,
   QDRANT_PORT,
   QDRANT_URL,
+  resolveQdrantPort,
   SEARCH_DEFAULT_LIMIT,
   SEARCH_MIN_SCORE,
   SPECIAL_FILES,
@@ -371,3 +372,26 @@ describe("constants", () => {
     });
   });
 });
+
+describe("resolveQdrantPort", () => {
+  it("returns explicit port from URL", () => {
+    expect(resolveQdrantPort("https://qdrant.example.com:6333")).toBe(6333);
+    expect(resolveQdrantPort("http://localhost:8080")).toBe(8080);
+    expect(resolveQdrantPort("https://my-qdrant.com:8443")).toBe(8443);
+  });
+
+  it("defaults to 443 for HTTPS URLs without explicit port", () => {
+    expect(resolveQdrantPort("https://qdrant.example.com")).toBe(443);
+    expect(resolveQdrantPort("https://my-tunnel.trycloudflare.com")).toBe(443);
+  });
+
+  it("defaults to 6333 for HTTP URLs without explicit port", () => {
+    expect(resolveQdrantPort("http://localhost")).toBe(6333);
+    expect(resolveQdrantPort("http://192.168.1.100")).toBe(6333);
+  });
+
+  it("handles URLs with paths and query strings", () => {
+    expect(resolveQdrantPort("https://qdrant.example.com:9999/some/path")).toBe(9999);
+    expect(resolveQdrantPort("https://qdrant.example.com/some/path")).toBe(443);
+  });
+});