From a9b198602da1995b8e956194345b8216d39d7e21 Mon Sep 17 00:00:00 2001
From: jay23606 <4602056+jay23606@users.noreply.github.com>
Date: Sat, 24 Oct 2026 06:58:28 -0400
Subject: [PATCH] Exclude node_modules from root Docker context

---
 .dockerignore               |  3 +++
 tests/dockerignore.test.mjs | 11 +++++++++++
 2 files changed, 14 insertions(+)
 create mode 100644 tests/dockerignore.test.mjs

diff --git a/.dockerignore b/.dockerignore
index 4aef71a..078f07d 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -58,3 +58,6 @@ __pycache__/
 # src/ (source code)
 # *.ts, *.js, *.java (source files)
 # docker-compose.yml, Dockerfile, .dockerignore
+# Dependencies (exclude installed, but KEEP package.json and package-lock.json)
+node_modules/
+**/node_modules/
diff --git a/tests/dockerignore.test.mjs b/tests/dockerignore.test.mjs
new file mode 100644
index 0000000..66964dd
--- /dev/null
+++ b/tests/dockerignore.test.mjs
@@ -0,0 +1,11 @@
+import assert from 'node:assert/strict';
+import { readFile } from 'node:fs/promises';
+import test from 'node:test';
+
+test('root Docker build context excludes installed Node dependencies', async () => {
+  const dockerignore = await readFile(new URL('../.dockerignore', import.meta.url), 'utf8');
+  const patterns = new Set(dockerignore.split(/\r?\n/));
+
+  assert.ok(patterns.has('node_modules/'), 'missing node_modules/ exclusion');
+  assert.ok(patterns.has('**/node_modules/'), 'missing **/node_modules/ exclusion');
+});