Discover top open-source software, updated regularly with real-world adoption signals.
Dynamic reverse proxy and load balancer for cloud-native microservices
Traefik automatically discovers services from Docker, Kubernetes, Swarm, ECS and other registries, configuring routes, TLS via Let's Encrypt, and load-balancing without manual restarts.
Traefik is a modern HTTP reverse proxy and load balancer designed for cloud‑native environments. It watches the APIs of Docker, Swarm, Kubernetes, ECS, Consul, Etcd and other registries, generating routes on‑the‑fly so developers never edit routing tables manually. The proxy updates its configuration without restarts, keeping services reachable even as containers are added, removed or scaled.
Built‑in TLS automation uses Let’s Encrypt (including wildcard certificates) to secure traffic instantly. Traefik supports multiple load‑balancing algorithms, circuit breakers, retries, HTTP/2, gRPC and WebSockets. Observability is covered through metrics exporters for Prometheus, Datadog, StatsD, InfluxDB and a clean web UI that shows routers, services and middleware in real time. Deployment is simple: a single binary or the official Docker image can be started with a minimal static file, while optional labels let you fine‑tune routing when needed.
When teams consider Traefik, these hosted platforms usually appear on the same shortlist.
Managed load balancer service that automatically distributes incoming traffic across multiple targets to improve availability
Fully managed layer-4 load balancing service for distributing network traffic across multiple VMs or services in Azure
Edge load balancing with real-time health checks and failover.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
Kubernetes microservice exposure
Automatically creates Ingress routes and TLS certificates for services as they are deployed, removing manual Ingress configuration.
Docker Swarm stack rollout
Traefik reads Docker labels to route traffic to new containers instantly, supporting zero‑downtime updates.
Edge TLS termination for SaaS
Let’s Encrypt integration provides wildcard certificates, securing all sub‑domains without manual certificate management.
Metrics collection for monitoring
Exports request and health metrics to Prometheus, enabling real‑time alerting and performance dashboards.
Traefik can run with zero static config; it discovers services via the orchestrator and builds routes dynamically, though optional static config is supported.
It uses the ACME protocol with Let’s Encrypt; you can enable automatic certificate issuance and renewal, including wildcard domains.
Yes, Traefik can run as a sidecar or upstream proxy; you can also configure it to forward traffic to another load balancer.
Traefik provides a built‑in web UI that displays current routers, services, and middleware in real time.
Docker, Docker Swarm, Kubernetes, Amazon ECS, Consul, Etcd, Rancher v2, and file‑based configuration are supported.
Project at a glance
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