perf: bound runtime memory and storage usage

test/back/ecosystem.test.cjs

@@ -0,0 +1,28 @@
+const assert = require('node:assert/strict');
+const test = require('node:test');
+
+const configPath = require.resolve('../../ecosystem.config');
+
+function loadConfig(containerValue) {
+  if (containerValue === undefined) {
+    delete process.env.QL_CONTAINER;
+  } else {
+    process.env.QL_CONTAINER = containerValue;
+  }
+  delete require.cache[configPath];
+  return require(configPath).apps[0];
+}
+
+test('container logging goes to the container standard streams', () => {
+  const app = loadConfig('true');
+  assert.equal(app.out_file, '/proc/1/fd/1');
+  assert.equal(app.error_file, '/proc/1/fd/2');
+  assert.equal(app.time, false);
+});
+
+test('non-container installs keep the PM2 logging defaults', () => {
+  const app = loadConfig(undefined);
+  assert.equal(app.out_file, undefined);
+  assert.equal(app.error_file, undefined);
+  assert.equal(app.time, true);
+});