Wait for the API to be ready before running the tests

.github/workflows/load-tests.yml

@@ -86,12 +86,27 @@ jobs:
       - name: Start All Services
         run: docker compose -f docker-compose.yaml -f docker-compose-k6.${{ matrix.service }}.yaml up -d
 
+      - name: Wait for API to be ready
+        uses: actions/github-script@v7
+        with:
+          script: |
+            const start = Date.now();
+            while (Date.now() - start < 120000) {
+              try {
+                if ((await fetch('http://localhost:3000/readyz')).status === 200) {
+                  console.log('Ready check passed');
+                  return;
+                }
+              } catch (e) {}
+              await new Promise(r => setTimeout(r, 3000));
+            }
+            console.log('Timeout reached. Ready check failed.');
+            process.exit(1);
+
       - name: Setup K6
         uses: grafana/setup-k6-action@v1
       - name: Run k6 Tests
         run: |
-          echo "Waiting 20 seconds for everything to be loaded up..."
-          sleep 20;
           for test_file in services/${{ matrix.service }}/k6-test/*.js; do
             k6 run --no-usage-report "$test_file" || exit 1
           done