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What are providers in Traefik?
Providers are the sources Traefik watches to build its routing configuration, connecting it to whatever infrastructure a team is already running.
Common providers include the Docker provider, which reads container labels; the Kubernetes provider, which reads Ingress objects or the IngressRoute CRD; the File provider, which reads static YAML or TOML files; and providers for Consul, etcd, and Marathon.
Multiple providers can run at the same time, and Traefik merges the routing configuration they produce into a single dynamic configuration, applying it live without a restart.
A Traefik provider's role is to:
Can multiple providers run simultaneously in Traefik?
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