April 2018
Intermediate to advanced
250 pages
5h 42m
English
Content preview from Docker for Serverless Applications
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OpenFaaS components
This section explains the components of OpenFaaS. The components are the API gateway, the function watchdog, and an instance of Prometheus. All are running on top of Docker Swarm or Kubernetes orchestration engines. The API gateway and the instance of Prometheus run as services, while the function watchdog runs as the part of function containers. The container runtime can be any modern version of Docker or containerd:
Figure 4.2: An overview of the OpenFaaS architecture
The client could be curl, faas-cli, or any HTTP-based client that is able to connect to the API gateway in order to invoke a function. A function container, ...
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