fix: fix quickstart test by using mcp-server-base:latest docker img (#2578)

Author: brojd

.github/workflows/platform-linting-and-tests.yml

@@ -470,14 +470,18 @@ jobs:
           # Start the platform container
           # Note: ARCHESTRA_AUTH_ADDITIONAL_TRUSTED_ORIGINS allows e2e tests to use 127.0.0.1
           # while the default ARCHESTRA_FRONTEND_URL=http://localhost:3000 stays unchanged
-          # Note: Uses the default public MCP server base image (not CI-built) because
-          # the embedded Kind cluster cannot access host Docker images without explicit loading
+          # Note: Uses the public MCP server base image with 'latest' tag because:
+          # 1. The embedded Kind cluster cannot easily access images loaded on the host Docker daemon
+          # 2. Release-please bumps the version in config.ts before the image is published,
+          #    causing failures when running on release PRs (the new version doesn't exist yet)
+          # Using 'latest' ensures the image is always available regardless of version bumps
           docker run -d \
             --name archestra-quickstart \
             -p 9000:9000 \
             -p 3000:3000 \
             -e ARCHESTRA_QUICKSTART=true \
             -e ARCHESTRA_AUTH_ADDITIONAL_TRUSTED_ORIGINS=http://127.0.0.1:3000 \
+            -e ARCHESTRA_ORCHESTRATOR_MCP_SERVER_BASE_IMAGE=europe-west1-docker.pkg.dev/friendly-path-465518-r6/archestra-public/mcp-server-base:latest \
             -v /var/run/docker.sock:/var/run/docker.sock \
             -v archestra-ci-postgres-data:/var/lib/postgresql/data \
             -v archestra-ci-app-data:/app/data \