Fix GCP Cloud Run Run Managed Ssl Errors

Q: How do I debug run managed ssl issues in GCP Cloud Run?

Start by enabling Cloud Logging for your service. Use `gcloud logging read` to query error logs. For IAM issues, use the Policy Analyzer tool. For networking issues, use VPC flow logs. For function/run issues, check the container logs with `gcloud logging tail`. Always validate your configuration with dry-run flags before applying to production.

DodaTech Updated 2026-06-26 2 min read

When working with GCP Cloud Run, you may encounter a configuration error that prevents your deployment from working. This guide explains the most common mistake with run managed ssl and shows the exact fix.

A Common Mistake

Mapping a custom domain but SSL certificate provisioning fails because the CNAME record does not point to ghs.googlehosted.com, leaving the domain without TLS.

The incorrect command:

gcloud beta run domain-mappings create --service=my-service --domain=app.example.com --region=us-central1

Error output:

Creating mapping...
WARNING: SSL certificate provisioning pending. The domain does not have the required DNS record. To provision SSL:
Type: CNAME
Name: app.example.com
Value: ghs.googlehosted.com
Without this record, SSL provisioning will fail after 1 hour.

The Correct Approach

The right way to configure run managed ssl in GCP Cloud Run:

gcloud beta run domain-mappings create --service=my-service --domain=app.example.com --region=us-central1

Successful result:

Creating mapping...
After adding the CNAME:
$ gcloud beta run domain-mappings describe --domain=app.example.com --region=us-central1
status: ready
Certificate status: active
SSL is managed by Google. Auto-renewal is handled automatically.

How to Prevent This

Add the CNAME record before or immediately after creating the mapping. SSL provisioning takes 5-60 minutes. Google-managed SSL auto-renews. Use gcloud beta run domain-mappings describe to check status. SSL certs are provisioned per-region. Use a global LB for single-cert multi-region.

FAQ

Why does my run managed ssl configuration fail in GCP Cloud Run?

Configuration failures in GCP Cloud Run usually stem from missing IAM permissions, incorrect parameter syntax, unfulfilled prerequisites, or incorrect API versions. Always run commands with --help first to verify parameter names and formats. Check Cloud Audit Logs for detailed error traces. The error message typically contains a link to the relevant documentation section.

How do I debug run managed ssl issues in GCP Cloud Run?

Start by enabling Cloud Logging for your service. Use gcloud logging read to query error logs. For IAM issues, use the Policy Analyzer tool. For networking issues, use VPC flow logs. For function/run issues, check the container logs with gcloud logging tail. Always validate your configuration with dry-run flags before applying to production.

What are the best practices for run managed ssl in GCP Cloud Run?

Use infrastructure-as-code for all configurations. Test changes in a non-production project first. Set up billing alerts. Enable Cloud Audit Logs. Follow least privilege for IAM. Review and update configurations regularly. Document manual changes for compliance audits. Monitor with dashboards and alerts.

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