Making some suggested code-review changes
## about
*worker* is the workhorse of Concourse. It's responsible for the creation
- and deletion of the containers in which the pipeline tasks are executed.
+ and deletion of the containers in which the pipeline operations
+ (get, check, put, task) are executed.
- A worker node registers with the web node and is then used for executing
- builds and performing resource checks. It doesn't really decide much on its own.
+ A worker node registers with the web node(s) and is then used for executing
+ builds and performing resource checks.
+
+ The ATC component in the web node(s) decides how to allocate containers
+ to workers that have been registered in the pool, using the configured
+ container-placement-strategy. It also manages the container deletion on the workers
+ via database calls and the Garden API on the workers.
A worker node runs the following 2 GO API's
