Abstract: Embodiments of the present disclosure provide a solution for deploying a service. A method includes: receiving a deployment request for deploying a service in a content delivery network (CDN) network, the deployment request at least indicating a plurality of clusters of CDN nodes where the service is to be deployed; receiving a base deployment configuration for the plurality of clusters of CDN nodes; receiving at least one deployment configuration overlay specific to at least one of the plurality of clusters of CDN nodes, a deployment configuration overlay specific to a cluster of CDN nodes indicating a delta configuration on top of the base deployment configuration that is applied to the cluster of CDN nodes; and deploying the service in the CDN network based on the base deployment configuration and the at least one deployment configuration overlay.