diff --git a/.woodpecker/ci.yml b/.woodpecker/ci.yml
index aaf47db..07484b7 100644
--- a/.woodpecker/ci.yml
+++ b/.woodpecker/ci.yml
@@ -46,18 +46,28 @@ steps:
   test:
     image: *node_image
     environment:
-      DATABASE_URL: postgresql://mosaic:mosaic@postgres:5432/mosaic
+      # Avoid the namespace-level Woodpecker DB service named "postgres".
+      # The Kubernetes backend exposes service containers by step name.
+      DATABASE_URL: postgresql://mosaic:mosaic@ci-postgres:5432/mosaic
     commands:
       - *enable_pnpm
       # Install postgresql-client for pg_isready
       - apk add --no-cache postgresql-client
-      # Wait up to 30s for postgres to be ready
+      # Wait up to 60s for CI postgres to be ready; fail fast if it never comes up.
       - |
-        for i in $(seq 1 30); do
-          pg_isready -h postgres -p 5432 -U mosaic && break
-          echo "Waiting for postgres ($i/30)..."
+        ready=0
+        for i in $(seq 1 60); do
+          if pg_isready -h ci-postgres -p 5432 -U mosaic; then
+            ready=1
+            break
+          fi
+          echo "Waiting for ci-postgres ($i/60)..."
           sleep 1
         done
+        if [ "$ready" -ne 1 ]; then
+          echo "ci-postgres did not become ready" >&2
+          exit 1
+        fi
       # Run migrations (DATABASE_URL is set in environment above)
       - pnpm --filter @mosaicstack/db run db:migrate
       # Run all tests
@@ -66,7 +76,7 @@ steps:
       - typecheck
 
 services:
-  postgres:
+  ci-postgres:
     image: pgvector/pgvector:pg17
     environment:
       POSTGRES_USER: mosaic