What does watchtower mean?

Define watchtower. watchtower synonyms, watchtower pronunciation, watchtower translation, English dictionary definition of watchtower. n. An observation tower on which a guard or lookout is stationed to keep watch, as for enemies, for forest fires, or over prisoners.

What is watchtower in Docker?

Watchtower is an application that will monitor your running Docker containers and watch for changes to the images that those containers were originally started from. If watchtower detects that an image has changed, it will automatically restart the container using the new image.

What is a watch tower in Harry Potter?

The Watchtowers are invoked during the ritual of casting a magic circle. Alternately, "Watchtowers" may refer specifically to the abodes of the Guardians, with the guardians themselves referred to as "Watchers" or simply "Guardians".

What was the purpose of the watchtower in Najd?

Furthermore, in Najd, a watchtower, called "Margab", was used to watch for approaching enemies far in distance and shout calling warnings from atop. [8] Scotland saw the construction of Peel towers [9] that combined the function of watchtower with that of a keep [10] or tower house [11] that served as the residence for a local notable family.